./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_floatingpointinfluence_no-floats_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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_floatingpointinfluence_no-floats_file-94.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 d91bd79856a8b9559a56a7e25213c7db2eb3158cb61927850418ed720a1561dc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:42:12,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:42:12,544 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:42:12,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:42:12,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:42:12,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:42:12,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:42:12,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:42:12,568 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:42:12,568 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:42:12,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:42:12,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:42:12,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:42:12,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:42:12,569 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:42:12,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:42:12,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:42:12,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:42:12,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:42:12,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:42:12,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:42:12,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:42:12,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:42:12,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:42:12,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:42:12,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:42:12,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:42:12,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:42:12,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:42:12,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:42:12,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:42:12,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:42:12,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:42:12,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:42:12,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:42:12,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:42:12,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:42:12,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:42:12,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:42:12,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:42:12,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:42:12,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:42:12,576 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d91bd79856a8b9559a56a7e25213c7db2eb3158cb61927850418ed720a1561dc [2024-10-13 03:42:12,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:42:12,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:42:12,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:42:12,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:42:12,810 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:42:12,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-13 03:42:14,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:42:14,289 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:42:14,289 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-13 03:42:14,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964fb93db/be552ff7d0274840bd0e553027118309/FLAG1f017b175 [2024-10-13 03:42:14,694 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964fb93db/be552ff7d0274840bd0e553027118309 [2024-10-13 03:42:14,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:42:14,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:42:14,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:42:14,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:42:14,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:42:14,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:42:14" (1/1) ... [2024-10-13 03:42:14,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9afe9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:14, skipping insertion in model container [2024-10-13 03:42:14,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:42:14" (1/1) ... [2024-10-13 03:42:14,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:42:14,964 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_floatingpointinfluence_no-floats_file-94.i[916,929] [2024-10-13 03:42:15,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:42:15,076 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:42:15,085 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_floatingpointinfluence_no-floats_file-94.i[916,929] [2024-10-13 03:42:15,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:42:15,122 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:42:15,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15 WrapperNode [2024-10-13 03:42:15,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:42:15,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:42:15,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:42:15,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:42:15,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,166 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2024-10-13 03:42:15,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:42:15,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:42:15,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:42:15,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:42:15,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,179 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,199 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]. [2024-10-13 03:42:15,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:42:15,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:42:15,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:42:15,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:42:15,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (1/1) ... [2024-10-13 03:42:15,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:42:15,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:42:15,253 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) [2024-10-13 03:42:15,256 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 [2024-10-13 03:42:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:42:15,293 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:42:15,293 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:42:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:42:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:42:15,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:42:15,362 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:42:15,365 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:42:15,604 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-13 03:42:15,604 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:42:15,664 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:42:15,664 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:42:15,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:42:15 BoogieIcfgContainer [2024-10-13 03:42:15,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:42:15,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:42:15,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:42:15,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:42:15,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:42:14" (1/3) ... [2024-10-13 03:42:15,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a97154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:42:15, skipping insertion in model container [2024-10-13 03:42:15,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:15" (2/3) ... [2024-10-13 03:42:15,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a97154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:42:15, skipping insertion in model container [2024-10-13 03:42:15,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:42:15" (3/3) ... [2024-10-13 03:42:15,672 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-13 03:42:15,690 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:42:15,690 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:42:15,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:42:15,751 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;@373353aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:42:15,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:42:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 03:42:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-13 03:42:15,780 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:42:15,780 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:42:15,781 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:42:15,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:42:15,785 INFO L85 PathProgramCache]: Analyzing trace with hash 492354081, now seen corresponding path program 1 times [2024-10-13 03:42:15,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:42:15,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512747720] [2024-10-13 03:42:15,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:42:15,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:42:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:42:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:42:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:42:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:42:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:42:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:42:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:42:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:42:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:42:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:42:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:42:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:42:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:42:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:42:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:42:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:42:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:42:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:42:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:42:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:42:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:42:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:42:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:42:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:42:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 03:42:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 03:42:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 03:42:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 03:42:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 03:42:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 03:42:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 03:42:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:42:16,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:42:16,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512747720] [2024-10-13 03:42:16,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512747720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:42:16,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:42:16,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:42:16,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253258564] [2024-10-13 03:42:16,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:42:16,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:42:16,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:42:16,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:42:16,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:42:16,168 INFO L87 Difference]: Start difference. First operand has 67 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 03:42:16,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:42:16,224 INFO L93 Difference]: Finished difference Result 131 states and 243 transitions. [2024-10-13 03:42:16,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:42:16,227 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 180 [2024-10-13 03:42:16,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:42:16,235 INFO L225 Difference]: With dead ends: 131 [2024-10-13 03:42:16,236 INFO L226 Difference]: Without dead ends: 65 [2024-10-13 03:42:16,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:42:16,246 INFO L432 NwaCegarLoop]: 99 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, 99 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 [2024-10-13 03:42:16,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:42:16,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-13 03:42:16,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-10-13 03:42:16,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 03:42:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 102 transitions. [2024-10-13 03:42:16,292 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 102 transitions. Word has length 180 [2024-10-13 03:42:16,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:42:16,293 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 102 transitions. [2024-10-13 03:42:16,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 03:42:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2024-10-13 03:42:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-13 03:42:16,297 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:42:16,298 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:42:16,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:42:16,298 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:42:16,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:42:16,299 INFO L85 PathProgramCache]: Analyzing trace with hash -613894813, now seen corresponding path program 1 times [2024-10-13 03:42:16,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:42:16,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228576407] [2024-10-13 03:42:16,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:42:16,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:42:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:42:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:42:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:42:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:42:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:42:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:42:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:42:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:42:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:42:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:42:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:42:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:42:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:42:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:42:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:42:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:42:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:42:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:42:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:42:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:42:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:42:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:42:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:42:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:42:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 03:42:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 03:42:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 03:42:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 03:42:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 03:42:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 03:42:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 03:42:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:42:31,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:42:31,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228576407] [2024-10-13 03:42:31,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228576407] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:42:31,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:42:31,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 03:42:31,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314074235] [2024-10-13 03:42:31,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:42:31,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 03:42:31,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:42:31,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 03:42:31,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 03:42:31,910 INFO L87 Difference]: Start difference. First operand 65 states and 102 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:42:33,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:42:33,044 INFO L93 Difference]: Finished difference Result 82 states and 122 transitions. [2024-10-13 03:42:33,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 03:42:33,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 180 [2024-10-13 03:42:33,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:42:33,051 INFO L225 Difference]: With dead ends: 82 [2024-10-13 03:42:33,053 INFO L226 Difference]: Without dead ends: 80 [2024-10-13 03:42:33,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-13 03:42:33,054 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 35 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 03:42:33,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 309 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 03:42:33,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-13 03:42:33,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 69. [2024-10-13 03:42:33,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 03:42:33,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 107 transitions. [2024-10-13 03:42:33,075 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 107 transitions. Word has length 180 [2024-10-13 03:42:33,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:42:33,076 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 107 transitions. [2024-10-13 03:42:33,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:42:33,077 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2024-10-13 03:42:33,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-13 03:42:33,080 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:42:33,080 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:42:33,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:42:33,080 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:42:33,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:42:33,081 INFO L85 PathProgramCache]: Analyzing trace with hash -556636511, now seen corresponding path program 1 times [2024-10-13 03:42:33,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:42:33,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880130642] [2024-10-13 03:42:33,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:42:33,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:42:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:42:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:42:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:42:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:42:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:42:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:42:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:42:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:42:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:42:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:42:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:42:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:42:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:42:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:42:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:42:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:42:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:42:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:42:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:42:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:42:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:42:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:42:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:42:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:42:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 03:42:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 03:42:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 03:42:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 03:42:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 03:42:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 03:42:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 03:42:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:42:50,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:42:50,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880130642] [2024-10-13 03:42:50,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880130642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:42:50,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:42:50,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 03:42:50,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815816995] [2024-10-13 03:42:50,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:42:50,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 03:42:50,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:42:50,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 03:42:50,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 03:42:50,945 INFO L87 Difference]: Start difference. First operand 69 states and 107 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:42:52,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:42:52,382 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2024-10-13 03:42:52,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 03:42:52,383 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 180 [2024-10-13 03:42:52,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:42:52,384 INFO L225 Difference]: With dead ends: 76 [2024-10-13 03:42:52,385 INFO L226 Difference]: Without dead ends: 74 [2024-10-13 03:42:52,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-13 03:42:52,386 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 17 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:42:52,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 337 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 03:42:52,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-13 03:42:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 67. [2024-10-13 03:42:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 03:42:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-13 03:42:52,416 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 180 [2024-10-13 03:42:52,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:42:52,421 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-13 03:42:52,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:42:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-13 03:42:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-13 03:42:52,427 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:42:52,427 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:42:52,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:42:52,428 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:42:52,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:42:52,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1866691872, now seen corresponding path program 1 times [2024-10-13 03:42:52,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:42:52,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333622382] [2024-10-13 03:42:52,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:42:52,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:42:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:43:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:43:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:43:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:43:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:43:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:43:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:43:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:43:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:43:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:43:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:43:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:43:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:43:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:43:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:43:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:43:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:43:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:43:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:43:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:43:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:43:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:43:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:43:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:43:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 03:43:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 03:43:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 03:43:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 03:43:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 03:43:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 03:43:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 03:43:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:20,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:43:20,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:43:20,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333622382] [2024-10-13 03:43:20,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333622382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:43:20,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:43:20,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 03:43:20,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265042729] [2024-10-13 03:43:20,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:43:20,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 03:43:20,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:43:20,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 03:43:20,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 03:43:20,493 INFO L87 Difference]: Start difference. First operand 67 states and 104 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:43:22,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:43:22,732 INFO L93 Difference]: Finished difference Result 75 states and 112 transitions. [2024-10-13 03:43:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 03:43:22,735 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 181 [2024-10-13 03:43:22,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:43:22,739 INFO L225 Difference]: With dead ends: 75 [2024-10-13 03:43:22,743 INFO L226 Difference]: Without dead ends: 73 [2024-10-13 03:43:22,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:43:22,746 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 46 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 03:43:22,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 324 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 03:43:22,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-13 03:43:22,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2024-10-13 03:43:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 03:43:22,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-13 03:43:22,768 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 181 [2024-10-13 03:43:22,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:43:22,768 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-13 03:43:22,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:43:22,769 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-13 03:43:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-13 03:43:22,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:43:22,774 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:43:22,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:43:22,774 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:43:22,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:43:22,775 INFO L85 PathProgramCache]: Analyzing trace with hash -2043302866, now seen corresponding path program 1 times [2024-10-13 03:43:22,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:43:22,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263052718] [2024-10-13 03:43:22,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:43:22,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:43:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:43:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:43:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:43:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:43:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:43:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:43:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:43:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:43:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:43:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:43:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:43:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:43:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:43:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:43:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:43:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:43:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:43:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:43:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:43:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:43:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:43:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:43:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:43:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:43:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 03:43:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 03:43:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 03:43:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 03:43:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 03:43:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 03:43:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 03:43:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:43:46,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:43:46,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:43:46,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263052718] [2024-10-13 03:43:46,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263052718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:43:46,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:43:46,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 03:43:46,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336377076] [2024-10-13 03:43:46,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:43:46,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 03:43:46,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:43:46,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 03:43:46,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-13 03:43:46,988 INFO L87 Difference]: Start difference. First operand 67 states and 104 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:43:47,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:43:47,867 INFO L93 Difference]: Finished difference Result 78 states and 115 transitions. [2024-10-13 03:43:47,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 03:43:47,868 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 182 [2024-10-13 03:43:47,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:43:47,870 INFO L225 Difference]: With dead ends: 78 [2024-10-13 03:43:47,871 INFO L226 Difference]: Without dead ends: 76 [2024-10-13 03:43:47,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:43:47,873 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 21 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:43:47,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 286 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 03:43:47,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-13 03:43:47,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 67. [2024-10-13 03:43:47,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 03:43:47,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-13 03:43:47,881 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 182 [2024-10-13 03:43:47,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:43:47,881 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-13 03:43:47,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:43:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-13 03:43:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-13 03:43:47,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:43:47,885 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:43:47,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 03:43:47,885 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:43:47,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:43:47,886 INFO L85 PathProgramCache]: Analyzing trace with hash -2043243284, now seen corresponding path program 1 times [2024-10-13 03:43:47,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:43:47,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172586617] [2024-10-13 03:43:47,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:43:47,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:43:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat