./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_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 c3fff67c56135375ffd751199deaa864a3ed3a59a2eb1eeee2e19554b4f47694 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:00:25,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:00:25,529 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:00:25,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:00:25,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:00:25,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:00:25,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:00:25,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:00:25,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:00:25,562 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:00:25,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:00:25,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:00:25,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:00:25,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:00:25,565 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:00:25,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:00:25,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:00:25,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:00:25,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:00:25,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:00:25,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:00:25,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:00:25,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:00:25,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:00:25,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:00:25,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:00:25,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:00:25,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:00:25,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:00:25,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:00:25,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:00:25,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:00:25,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:00:25,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:00:25,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:00:25,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:00:25,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:00:25,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:00:25,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:00:25,575 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:00:25,575 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:00:25,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:00:25,576 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3fff67c56135375ffd751199deaa864a3ed3a59a2eb1eeee2e19554b4f47694 [2024-10-14 09:00:25,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:00:25,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:00:25,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:00:25,771 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:00:25,771 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:00:25,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-10.i [2024-10-14 09:00:27,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:00:27,418 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:00:27,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-10.i [2024-10-14 09:00:27,430 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df035782/ec562e235698486e9c2af5383cec5fda/FLAGf792dff94 [2024-10-14 09:00:27,447 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df035782/ec562e235698486e9c2af5383cec5fda [2024-10-14 09:00:27,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:00:27,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:00:27,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:00:27,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:00:27,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:00:27,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:27,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed1e068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27, skipping insertion in model container [2024-10-14 09:00:27,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:27,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:00:27,701 WARN L248 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-pe-ci_file-10.i[919,932] [2024-10-14 09:00:27,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:00:27,865 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:00:27,881 WARN L248 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-pe-ci_file-10.i[919,932] [2024-10-14 09:00:27,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:00:27,947 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:00:27,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27 WrapperNode [2024-10-14 09:00:27,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:00:27,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:00:27,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:00:27,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:00:27,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:27,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:28,028 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 298 [2024-10-14 09:00:28,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:00:28,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:00:28,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:00:28,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:00:28,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:28,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:28,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:28,080 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]. [2024-10-14 09:00:28,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:28,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:28,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:28,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:28,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:28,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:28,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:00:28,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:00:28,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:00:28,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:00:28,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (1/1) ... [2024-10-14 09:00:28,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:00:28,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:00:28,229 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) [2024-10-14 09:00:28,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 09:00:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:00:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:00:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:00:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:00:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:00:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:00:28,376 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:00:28,378 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:00:28,839 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-10-14 09:00:28,839 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:00:28,883 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:00:28,883 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:00:28,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:00:28 BoogieIcfgContainer [2024-10-14 09:00:28,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:00:28,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:00:28,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:00:28,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:00:28,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:00:27" (1/3) ... [2024-10-14 09:00:28,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1210327a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:00:28, skipping insertion in model container [2024-10-14 09:00:28,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:00:27" (2/3) ... [2024-10-14 09:00:28,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1210327a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:00:28, skipping insertion in model container [2024-10-14 09:00:28,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:00:28" (3/3) ... [2024-10-14 09:00:28,892 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-10.i [2024-10-14 09:00:28,904 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:00:28,905 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:00:28,961 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:00:28,966 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;@69ddaedb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:00:28,967 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:00:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 84 states have (on average 1.4761904761904763) internal successors, (124), 85 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 09:00:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-14 09:00:28,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:00:28,986 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:00:28,987 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:00:28,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:00:28,991 INFO L85 PathProgramCache]: Analyzing trace with hash 348392225, now seen corresponding path program 1 times [2024-10-14 09:00:28,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:00:28,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015835665] [2024-10-14 09:00:28,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:00:28,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:00:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:00:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:00:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:00:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:00:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:00:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:00:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:00:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:00:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:00:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:00:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:00:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:00:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:00:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:00:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:00:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:00:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:00:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:00:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:00:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:00:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:00:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:00:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:00:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:00:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:00:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:00:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 09:00:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:00:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:00:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:00:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:00:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:00:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:00:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:00:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:29,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:00:29,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:00:29,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015835665] [2024-10-14 09:00:29,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015835665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:00:29,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:00:29,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 09:00:29,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136229359] [2024-10-14 09:00:29,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:00:29,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 09:00:29,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:00:29,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 09:00:29,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:00:29,566 INFO L87 Difference]: Start difference. First operand has 121 states, 84 states have (on average 1.4761904761904763) internal successors, (124), 85 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:00:29,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:00:29,661 INFO L93 Difference]: Finished difference Result 239 states and 416 transitions. [2024-10-14 09:00:29,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 09:00:29,667 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 215 [2024-10-14 09:00:29,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:00:29,674 INFO L225 Difference]: With dead ends: 239 [2024-10-14 09:00:29,674 INFO L226 Difference]: Without dead ends: 119 [2024-10-14 09:00:29,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:00:29,687 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:00:29,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:00:29,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-14 09:00:29,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-10-14 09:00:29,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 83 states have internal predecessors, (119), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 09:00:29,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 187 transitions. [2024-10-14 09:00:29,742 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 187 transitions. Word has length 215 [2024-10-14 09:00:29,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:00:29,742 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 187 transitions. [2024-10-14 09:00:29,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:00:29,742 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 187 transitions. [2024-10-14 09:00:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-14 09:00:29,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:00:29,746 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:00:29,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:00:29,746 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:00:29,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:00:29,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1816923481, now seen corresponding path program 1 times [2024-10-14 09:00:29,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:00:29,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341632355] [2024-10-14 09:00:29,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:00:29,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:00:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:00:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:00:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:00:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:00:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:00:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:00:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:00:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:00:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:00:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:00:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:00:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:00:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:00:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:00:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:00:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:00:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:00:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:00:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:00:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:00:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:00:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:00:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:00:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:00:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:00:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:00:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 09:00:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:00:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:00:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:00:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:00:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:00:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:00:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:00:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:30,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:00:30,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:00:30,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341632355] [2024-10-14 09:00:30,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341632355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:00:30,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:00:30,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 09:00:30,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730884096] [2024-10-14 09:00:30,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:00:30,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 09:00:30,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:00:30,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 09:00:30,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:00:30,463 INFO L87 Difference]: Start difference. First operand 119 states and 187 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:00:30,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:00:30,722 INFO L93 Difference]: Finished difference Result 356 states and 560 transitions. [2024-10-14 09:00:30,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:00:30,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-10-14 09:00:30,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:00:30,728 INFO L225 Difference]: With dead ends: 356 [2024-10-14 09:00:30,730 INFO L226 Difference]: Without dead ends: 238 [2024-10-14 09:00:30,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:00:30,732 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 123 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 09:00:30,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 539 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 09:00:30,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-10-14 09:00:30,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 179. [2024-10-14 09:00:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 108 states have (on average 1.3333333333333333) internal successors, (144), 108 states have internal predecessors, (144), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-14 09:00:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 280 transitions. [2024-10-14 09:00:30,768 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 280 transitions. Word has length 215 [2024-10-14 09:00:30,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:00:30,769 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 280 transitions. [2024-10-14 09:00:30,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:00:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 280 transitions. [2024-10-14 09:00:30,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-14 09:00:30,772 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:00:30,772 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:00:30,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:00:30,772 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:00:30,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:00:30,773 INFO L85 PathProgramCache]: Analyzing trace with hash -964910115, now seen corresponding path program 1 times [2024-10-14 09:00:30,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:00:30,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847286240] [2024-10-14 09:00:30,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:00:30,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:00:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:00:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:00:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:00:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:00:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:00:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:00:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:00:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:00:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:00:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:00:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:00:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:00:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:00:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:00:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:00:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:00:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:00:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:00:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:00:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:00:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:00:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:00:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:00:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:00:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:00:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:00:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 09:00:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:00:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:00:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:00:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:00:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:00:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:00:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:00:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:00:43,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:00:43,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847286240] [2024-10-14 09:00:43,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847286240] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:00:43,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:00:43,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 09:00:43,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584852289] [2024-10-14 09:00:43,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:00:43,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 09:00:43,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:00:43,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 09:00:43,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-14 09:00:43,852 INFO L87 Difference]: Start difference. First operand 179 states and 280 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:00:46,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:00:46,420 INFO L93 Difference]: Finished difference Result 501 states and 781 transitions. [2024-10-14 09:00:46,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 09:00:46,420 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 216 [2024-10-14 09:00:46,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:00:46,429 INFO L225 Difference]: With dead ends: 501 [2024-10-14 09:00:46,429 INFO L226 Difference]: Without dead ends: 383 [2024-10-14 09:00:46,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2024-10-14 09:00:46,431 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 1051 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-14 09:00:46,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 816 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-14 09:00:46,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-14 09:00:46,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 244. [2024-10-14 09:00:46,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 172 states have (on average 1.447674418604651) internal successors, (249), 172 states have internal predecessors, (249), 68 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-14 09:00:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 385 transitions. [2024-10-14 09:00:46,452 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 385 transitions. Word has length 216 [2024-10-14 09:00:46,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:00:46,453 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 385 transitions. [2024-10-14 09:00:46,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:00:46,453 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 385 transitions. [2024-10-14 09:00:46,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-14 09:00:46,460 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:00:46,460 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:00:46,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:00:46,460 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:00:46,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:00:46,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1976027365, now seen corresponding path program 1 times [2024-10-14 09:00:46,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:00:46,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965431639] [2024-10-14 09:00:46,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:00:46,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:00:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:00:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:00:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:00:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:00:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:00:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:00:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:00:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:00:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:00:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:00:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:00:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:00:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:00:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:00:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:00:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:00:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:00:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:00:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:00:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:00:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:00:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:00:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:00:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:00:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:00:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:00:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 09:00:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:00:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:00:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:00:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:00:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:00:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:00:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:00:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:00:46,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:00:46,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:00:46,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965431639] [2024-10-14 09:00:46,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965431639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:00:46,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:00:46,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:00:46,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613936132] [2024-10-14 09:00:46,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:00:46,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:00:46,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:00:46,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:00:46,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:00:46,582 INFO L87 Difference]: Start difference. First operand 244 states and 385 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:00:46,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:00:46,624 INFO L93 Difference]: Finished difference Result 419 states and 660 transitions. [2024-10-14 09:00:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:00:46,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-10-14 09:00:46,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:00:46,628 INFO L225 Difference]: With dead ends: 419 [2024-10-14 09:00:46,628 INFO L226 Difference]: Without dead ends: 296 [2024-10-14 09:00:46,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:00:46,630 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 85 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:00:46,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 377 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:00:46,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-10-14 09:00:46,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 275. [2024-10-14 09:00:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 194 states have (on average 1.4175257731958764) internal successors, (275), 195 states have internal predecessors, (275), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-14 09:00:46,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 427 transitions. [2024-10-14 09:00:46,665 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 427 transitions. Word has length 216 [2024-10-14 09:00:46,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:00:46,665 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 427 transitions. [2024-10-14 09:00:46,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:00:46,666 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 427 transitions. [2024-10-14 09:00:46,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-14 09:00:46,667 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:00:46,667 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:00:46,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 09:00:46,668 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:00:46,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:00:46,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1688996005, now seen corresponding path program 1 times [2024-10-14 09:00:46,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:00:46,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387302006] [2024-10-14 09:00:46,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:00:46,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:00:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:01:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:01:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:01:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:01:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:01:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:01:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:01:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:01:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:01:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:01:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:01:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:01:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:01:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:01:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:01:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:01:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:01:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:01:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:01:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:01:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:01:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:01:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:01:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 09:01:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:01:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 09:01:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 09:01:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:01:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:01:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:01:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:01:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:01:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:01:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:01:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:01:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:01:36,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:01:36,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387302006] [2024-10-14 09:01:36,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387302006] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:01:36,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:01:36,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 09:01:36,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535256219] [2024-10-14 09:01:36,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:01:36,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 09:01:36,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:01:36,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 09:01:36,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-14 09:01:36,935 INFO L87 Difference]: Start difference. First operand 275 states and 427 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:01:39,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:01:39,863 INFO L93 Difference]: Finished difference Result 915 states and 1409 transitions. [2024-10-14 09:01:39,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 09:01:39,864 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 216 [2024-10-14 09:01:39,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:01:39,870 INFO L225 Difference]: With dead ends: 915 [2024-10-14 09:01:39,870 INFO L226 Difference]: Without dead ends: 756 [2024-10-14 09:01:39,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=167, Invalid=483, Unknown=0, NotChecked=0, Total=650 [2024-10-14 09:01:39,874 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 1181 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 1997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-14 09:01:39,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1181 Valid, 1251 Invalid, 1997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-14 09:01:39,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-10-14 09:01:39,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 457. [2024-10-14 09:01:39,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 338 states have (on average 1.4171597633136095) internal successors, (479), 339 states have internal predecessors, (479), 110 states have call successors, (110), 8 states have call predecessors, (110), 8 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-14 09:01:39,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 699 transitions. [2024-10-14 09:01:39,917 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 699 transitions. Word has length 216 [2024-10-14 09:01:39,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:01:39,920 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 699 transitions. [2024-10-14 09:01:39,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:01:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 699 transitions. [2024-10-14 09:01:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-14 09:01:39,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:01:39,923 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:01:39,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 09:01:39,923 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:01:39,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:01:39,923 INFO L85 PathProgramCache]: Analyzing trace with hash -390920995, now seen corresponding path program 1 times [2024-10-14 09:01:39,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:01:39,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053321938] [2024-10-14 09:01:39,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:01:39,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:01:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat