./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.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_fillercode_fillercodesize_ps-cn-100_file-33.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 f2b4a06eafce2211209c241f80b4923a38678cc2a6ff4b8235036176d9e38b73 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 00:34:12,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 00:34:12,631 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 00:34:12,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 00:34:12,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 00:34:12,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 00:34:12,662 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 00:34:12,663 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 00:34:12,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 00:34:12,663 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 00:34:12,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 00:34:12,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 00:34:12,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 00:34:12,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 00:34:12,667 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 00:34:12,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 00:34:12,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 00:34:12,668 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 00:34:12,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 00:34:12,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 00:34:12,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 00:34:12,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 00:34:12,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 00:34:12,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 00:34:12,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 00:34:12,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 00:34:12,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 00:34:12,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 00:34:12,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 00:34:12,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 00:34:12,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 00:34:12,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 00:34:12,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 00:34:12,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 00:34:12,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 00:34:12,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 00:34:12,674 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 00:34:12,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 00:34:12,675 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 00:34:12,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 00:34:12,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 00:34:12,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 00:34:12,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2b4a06eafce2211209c241f80b4923a38678cc2a6ff4b8235036176d9e38b73 [2024-10-13 00:34:12,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 00:34:12,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 00:34:12,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 00:34:12,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 00:34:12,888 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 00:34:12,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i [2024-10-13 00:34:14,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 00:34:14,476 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 00:34:14,477 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i [2024-10-13 00:34:14,485 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b1260b29/16edec2b81434c50a5cff0fd08aa5394/FLAGd01687c5f [2024-10-13 00:34:14,836 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b1260b29/16edec2b81434c50a5cff0fd08aa5394 [2024-10-13 00:34:14,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 00:34:14,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 00:34:14,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 00:34:14,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 00:34:14,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 00:34:14,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:34:14" (1/1) ... [2024-10-13 00:34:14,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4e9b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:14, skipping insertion in model container [2024-10-13 00:34:14,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:34:14" (1/1) ... [2024-10-13 00:34:14,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 00:34:15,021 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i[916,929] [2024-10-13 00:34:15,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 00:34:15,131 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 00:34:15,152 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i[916,929] [2024-10-13 00:34:15,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 00:34:15,282 INFO L204 MainTranslator]: Completed translation [2024-10-13 00:34:15,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15 WrapperNode [2024-10-13 00:34:15,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 00:34:15,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 00:34:15,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 00:34:15,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 00:34:15,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,408 INFO L138 Inliner]: procedures = 26, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 341 [2024-10-13 00:34:15,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 00:34:15,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 00:34:15,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 00:34:15,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 00:34:15,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,459 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 00:34:15,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 00:34:15,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 00:34:15,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 00:34:15,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 00:34:15,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (1/1) ... [2024-10-13 00:34:15,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 00:34:15,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 00:34:15,550 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 00:34:15,557 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 00:34:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 00:34:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 00:34:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 00:34:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 00:34:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 00:34:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 00:34:15,688 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 00:34:15,690 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 00:34:16,156 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-13 00:34:16,157 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 00:34:16,197 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 00:34:16,199 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 00:34:16,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:34:16 BoogieIcfgContainer [2024-10-13 00:34:16,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 00:34:16,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 00:34:16,201 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 00:34:16,204 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 00:34:16,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:34:14" (1/3) ... [2024-10-13 00:34:16,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663766b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:34:16, skipping insertion in model container [2024-10-13 00:34:16,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:15" (2/3) ... [2024-10-13 00:34:16,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663766b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:34:16, skipping insertion in model container [2024-10-13 00:34:16,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:34:16" (3/3) ... [2024-10-13 00:34:16,208 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-33.i [2024-10-13 00:34:16,223 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 00:34:16,223 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 00:34:16,280 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 00:34:16,286 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;@5fd3c69b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 00:34:16,286 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 00:34:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 00:34:16,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-10-13 00:34:16,309 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:34:16,310 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:16,311 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:34:16,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:34:16,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1468658552, now seen corresponding path program 1 times [2024-10-13 00:34:16,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:34:16,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197746223] [2024-10-13 00:34:16,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:34:16,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:34:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:34:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 00:34:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 00:34:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 00:34:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 00:34:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 00:34:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 00:34:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 00:34:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 00:34:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 00:34:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 00:34:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 00:34:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 00:34:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 00:34:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:34:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 00:34:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:34:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:34:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:34:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:34:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:34:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:34:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:34:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:34:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:34:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:34:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:34:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 00:34:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:34:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 00:34:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:34:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 00:34:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 00:34:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 00:34:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 00:34:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 00:34:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:16,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 00:34:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 00:34:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 00:34:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 00:34:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 00:34:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 00:34:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 00:34:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 00:34:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 00:34:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 00:34:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 00:34:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-13 00:34:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 00:34:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-13 00:34:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-13 00:34:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-13 00:34:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-13 00:34:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-13 00:34:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-13 00:34:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-13 00:34:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:17,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-13 00:34:17,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:34:17,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197746223] [2024-10-13 00:34:17,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197746223] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:34:17,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:34:17,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 00:34:17,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772433141] [2024-10-13 00:34:17,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:34:17,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 00:34:17,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:34:17,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 00:34:17,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 00:34:17,091 INFO L87 Difference]: Start difference. First operand has 145 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 00:34:17,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:34:17,132 INFO L93 Difference]: Finished difference Result 285 states and 530 transitions. [2024-10-13 00:34:17,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 00:34:17,138 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 336 [2024-10-13 00:34:17,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:34:17,149 INFO L225 Difference]: With dead ends: 285 [2024-10-13 00:34:17,149 INFO L226 Difference]: Without dead ends: 141 [2024-10-13 00:34:17,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 00:34:17,156 INFO L432 NwaCegarLoop]: 226 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, 226 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 00:34:17,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 226 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 00:34:17,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-13 00:34:17,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-10-13 00:34:17,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 83 states have internal predecessors, (117), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 00:34:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 229 transitions. [2024-10-13 00:34:17,200 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 229 transitions. Word has length 336 [2024-10-13 00:34:17,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:34:17,202 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 229 transitions. [2024-10-13 00:34:17,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 00:34:17,202 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 229 transitions. [2024-10-13 00:34:17,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-10-13 00:34:17,206 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:34:17,207 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:17,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 00:34:17,207 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:34:17,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:34:17,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1525916854, now seen corresponding path program 1 times [2024-10-13 00:34:17,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:34:17,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33878824] [2024-10-13 00:34:17,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:34:17,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:34:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:34:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 00:34:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 00:34:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 00:34:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 00:34:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 00:34:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 00:34:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 00:34:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 00:34:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 00:34:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 00:34:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 00:34:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 00:34:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 00:34:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:34:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 00:34:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:34:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:34:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:34:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:34:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:34:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:34:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:34:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:34:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:34:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:34:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:34:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 00:34:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:34:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 00:34:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:34:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 00:34:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 00:34:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 00:34:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 00:34:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 00:34:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 00:34:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 00:34:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 00:34:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 00:34:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 00:34:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 00:34:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 00:34:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 00:34:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 00:34:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 00:34:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 00:34:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-13 00:34:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 00:34:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-13 00:34:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-13 00:34:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-13 00:34:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-13 00:34:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-13 00:34:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-13 00:34:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-13 00:34:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-13 00:34:18,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:34:18,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33878824] [2024-10-13 00:34:18,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33878824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:34:18,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:34:18,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 00:34:18,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518885014] [2024-10-13 00:34:18,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:34:18,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 00:34:18,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:34:18,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 00:34:18,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 00:34:18,529 INFO L87 Difference]: Start difference. First operand 141 states and 229 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 00:34:18,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:34:18,834 INFO L93 Difference]: Finished difference Result 426 states and 693 transitions. [2024-10-13 00:34:18,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 00:34:18,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 336 [2024-10-13 00:34:18,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:34:18,838 INFO L225 Difference]: With dead ends: 426 [2024-10-13 00:34:18,838 INFO L226 Difference]: Without dead ends: 286 [2024-10-13 00:34:18,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 00:34:18,840 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 167 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 00:34:18,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 627 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 00:34:18,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-10-13 00:34:18,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 273. [2024-10-13 00:34:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 158 states have (on average 1.4050632911392404) internal successors, (222), 158 states have internal predecessors, (222), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-10-13 00:34:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 446 transitions. [2024-10-13 00:34:18,891 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 446 transitions. Word has length 336 [2024-10-13 00:34:18,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:34:18,892 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 446 transitions. [2024-10-13 00:34:18,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 00:34:18,892 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 446 transitions. [2024-10-13 00:34:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-10-13 00:34:18,896 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:34:18,896 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:18,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 00:34:18,896 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:34:18,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:34:18,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1447785154, now seen corresponding path program 1 times [2024-10-13 00:34:18,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:34:18,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421236939] [2024-10-13 00:34:18,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:34:18,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:34:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:34:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 00:34:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 00:34:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 00:34:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 00:34:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 00:34:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 00:34:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 00:34:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 00:34:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 00:34:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 00:34:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 00:34:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 00:34:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 00:34:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:34:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 00:34:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:34:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:34:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:34:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:34:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:34:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:34:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:34:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:34:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:34:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:34:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:34:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 00:34:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:34:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 00:34:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:34:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 00:34:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 00:34:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 00:34:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 00:34:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 00:34:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 00:34:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 00:34:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 00:34:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 00:34:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 00:34:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 00:34:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 00:34:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 00:34:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 00:34:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 00:34:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 00:34:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-13 00:34:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 00:34:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-13 00:34:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-13 00:34:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-13 00:34:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-13 00:34:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-13 00:34:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-13 00:34:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-13 00:34:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:34:19,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-13 00:34:19,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:34:19,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421236939] [2024-10-13 00:34:19,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421236939] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:34:19,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:34:19,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 00:34:19,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787063881] [2024-10-13 00:34:19,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:34:19,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 00:34:19,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:34:19,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 00:34:19,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 00:34:19,286 INFO L87 Difference]: Start difference. First operand 273 states and 446 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 00:34:19,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:34:19,524 INFO L93 Difference]: Finished difference Result 435 states and 704 transitions. [2024-10-13 00:34:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 00:34:19,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 337 [2024-10-13 00:34:19,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:34:19,528 INFO L225 Difference]: With dead ends: 435 [2024-10-13 00:34:19,528 INFO L226 Difference]: Without dead ends: 282 [2024-10-13 00:34:19,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 00:34:19,530 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 164 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 00:34:19,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 632 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 00:34:19,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-10-13 00:34:19,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 274. [2024-10-13 00:34:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 159 states have (on average 1.3962264150943395) internal successors, (222), 159 states have internal predecessors, (222), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-10-13 00:34:19,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 446 transitions. [2024-10-13 00:34:19,563 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 446 transitions. Word has length 337 [2024-10-13 00:34:19,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:34:19,563 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 446 transitions. [2024-10-13 00:34:19,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 00:34:19,564 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 446 transitions. [2024-10-13 00:34:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-10-13 00:34:19,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:34:19,567 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:19,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 00:34:19,567 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:34:19,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:34:19,567 INFO L85 PathProgramCache]: Analyzing trace with hash 94088525, now seen corresponding path program 1 times [2024-10-13 00:34:19,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:34:19,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062963128] [2024-10-13 00:34:19,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:34:19,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:34:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat