./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-5.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 4639c6b0fb22706997cf521ef330c95d8a0fb320eefb7d80395f3064e0e7914f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:40:28,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:40:28,322 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 00:40:28,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:40:28,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:40:28,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:40:28,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:40:28,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:40:28,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:40:28,353 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:40:28,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:40:28,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:40:28,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:40:28,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:40:28,364 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:40:28,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:40:28,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:40:28,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:40:28,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:40:28,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:40:28,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:40:28,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:40:28,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:40:28,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:40:28,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:40:28,369 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:40:28,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:40:28,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:40:28,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:40:28,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:40:28,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:40:28,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:40:28,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:40:28,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:40:28,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:40:28,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:40:28,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 00:40:28,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:40:28,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:40:28,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:40:28,372 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:40:28,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:40:28,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4639c6b0fb22706997cf521ef330c95d8a0fb320eefb7d80395f3064e0e7914f [2024-11-09 00:40:28,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:40:28,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:40:28,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:40:28,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:40:28,574 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:40:28,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-5.i [2024-11-09 00:40:29,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:40:29,901 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:40:29,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-5.i [2024-11-09 00:40:29,916 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964a3cf77/e05ee66c89fa40fb84de27d4aceb7382/FLAGadc0ad37c [2024-11-09 00:40:29,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964a3cf77/e05ee66c89fa40fb84de27d4aceb7382 [2024-11-09 00:40:29,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:40:29,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:40:29,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:29,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:40:29,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:40:29,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:29" (1/1) ... [2024-11-09 00:40:29,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75050ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:29, skipping insertion in model container [2024-11-09 00:40:29,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:29" (1/1) ... [2024-11-09 00:40:29,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:40:30,142 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-5.i[915,928] [2024-11-09 00:40:30,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:30,285 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:40:30,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-5.i[915,928] [2024-11-09 00:40:30,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:30,380 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:40:30,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30 WrapperNode [2024-11-09 00:40:30,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:30,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:30,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:40:30,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:40:30,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,473 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 415 [2024-11-09 00:40:30,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:30,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:40:30,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:40:30,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:40:30,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,545 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 00:40:30,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:40:30,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:40:30,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:40:30,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:40:30,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (1/1) ... [2024-11-09 00:40:30,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:40:30,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:30,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 00:40:30,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 00:40:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:40:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:40:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:40:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 00:40:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:40:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:40:30,862 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:40:30,866 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:40:31,497 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-09 00:40:31,497 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:40:31,514 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:40:31,514 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:40:31,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:40:31 BoogieIcfgContainer [2024-11-09 00:40:31,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:40:31,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:40:31,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:40:31,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:40:31,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:40:29" (1/3) ... [2024-11-09 00:40:31,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f1c486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:40:31, skipping insertion in model container [2024-11-09 00:40:31,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:30" (2/3) ... [2024-11-09 00:40:31,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f1c486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:40:31, skipping insertion in model container [2024-11-09 00:40:31,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:40:31" (3/3) ... [2024-11-09 00:40:31,524 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-5.i [2024-11-09 00:40:31,538 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:40:31,538 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:40:31,603 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:40:31,610 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;@14c88099, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:40:31,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:40:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 132 states have internal predecessors, (202), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 00:40:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-09 00:40:31,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:31,632 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:31,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:31,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:31,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1525575319, now seen corresponding path program 1 times [2024-11-09 00:40:31,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:31,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745539867] [2024-11-09 00:40:31,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:31,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:32,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:32,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745539867] [2024-11-09 00:40:32,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745539867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:32,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:32,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 00:40:32,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14385199] [2024-11-09 00:40:32,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:32,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 00:40:32,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:32,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 00:40:32,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:40:32,224 INFO L87 Difference]: Start difference. First operand has 169 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 132 states have internal predecessors, (202), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-09 00:40:32,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:32,269 INFO L93 Difference]: Finished difference Result 331 states and 573 transitions. [2024-11-09 00:40:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 00:40:32,271 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 249 [2024-11-09 00:40:32,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:32,279 INFO L225 Difference]: With dead ends: 331 [2024-11-09 00:40:32,280 INFO L226 Difference]: Without dead ends: 165 [2024-11-09 00:40:32,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:40:32,291 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:32,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:40:32,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-09 00:40:32,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-09 00:40:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 128 states have (on average 1.5078125) internal successors, (193), 128 states have internal predecessors, (193), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 00:40:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 263 transitions. [2024-11-09 00:40:32,354 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 263 transitions. Word has length 249 [2024-11-09 00:40:32,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:32,355 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 263 transitions. [2024-11-09 00:40:32,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-09 00:40:32,355 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 263 transitions. [2024-11-09 00:40:32,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-09 00:40:32,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:32,358 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:32,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 00:40:32,359 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:32,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:32,359 INFO L85 PathProgramCache]: Analyzing trace with hash -364092613, now seen corresponding path program 1 times [2024-11-09 00:40:32,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:32,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862383159] [2024-11-09 00:40:32,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:32,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:32,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:33,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:33,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:33,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862383159] [2024-11-09 00:40:33,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862383159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:33,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:33,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 00:40:33,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010677008] [2024-11-09 00:40:33,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:33,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 00:40:33,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:33,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 00:40:33,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:40:33,142 INFO L87 Difference]: Start difference. First operand 165 states and 263 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:33,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:33,502 INFO L93 Difference]: Finished difference Result 548 states and 885 transitions. [2024-11-09 00:40:33,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 00:40:33,503 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 249 [2024-11-09 00:40:33,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:33,509 INFO L225 Difference]: With dead ends: 548 [2024-11-09 00:40:33,511 INFO L226 Difference]: Without dead ends: 386 [2024-11-09 00:40:33,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 00:40:33,513 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 292 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:33,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 1111 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:40:33,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-09 00:40:33,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 243. [2024-11-09 00:40:33,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 170 states have (on average 1.4352941176470588) internal successors, (244), 170 states have internal predecessors, (244), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-09 00:40:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 384 transitions. [2024-11-09 00:40:33,544 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 384 transitions. Word has length 249 [2024-11-09 00:40:33,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:33,545 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 384 transitions. [2024-11-09 00:40:33,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 384 transitions. [2024-11-09 00:40:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-09 00:40:33,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:33,548 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:33,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 00:40:33,549 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:33,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:33,549 INFO L85 PathProgramCache]: Analyzing trace with hash 794722371, now seen corresponding path program 1 times [2024-11-09 00:40:33,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:33,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069415208] [2024-11-09 00:40:33,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:33,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:34,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:34,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069415208] [2024-11-09 00:40:34,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069415208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:34,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:34,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 00:40:34,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177646564] [2024-11-09 00:40:34,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:34,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 00:40:34,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:34,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 00:40:34,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 00:40:34,273 INFO L87 Difference]: Start difference. First operand 243 states and 384 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:34,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:34,958 INFO L93 Difference]: Finished difference Result 568 states and 907 transitions. [2024-11-09 00:40:34,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 00:40:34,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 249 [2024-11-09 00:40:34,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:34,961 INFO L225 Difference]: With dead ends: 568 [2024-11-09 00:40:34,962 INFO L226 Difference]: Without dead ends: 406 [2024-11-09 00:40:34,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-09 00:40:34,963 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 543 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:34,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 1509 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 00:40:34,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-09 00:40:34,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 343. [2024-11-09 00:40:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 270 states have (on average 1.5148148148148148) internal successors, (409), 270 states have internal predecessors, (409), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-09 00:40:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 549 transitions. [2024-11-09 00:40:34,989 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 549 transitions. Word has length 249 [2024-11-09 00:40:34,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:34,989 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 549 transitions. [2024-11-09 00:40:34,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:34,990 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 549 transitions. [2024-11-09 00:40:34,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-09 00:40:34,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:34,992 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:34,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 00:40:34,992 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:34,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:34,993 INFO L85 PathProgramCache]: Analyzing trace with hash 2135390351, now seen corresponding path program 1 times [2024-11-09 00:40:34,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:34,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772909647] [2024-11-09 00:40:34,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:34,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:35,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:35,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772909647] [2024-11-09 00:40:35,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772909647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:35,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:35,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:40:35,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87290389] [2024-11-09 00:40:35,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:35,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:40:35,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:35,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:40:35,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:40:35,494 INFO L87 Difference]: Start difference. First operand 343 states and 549 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:35,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:35,756 INFO L93 Difference]: Finished difference Result 968 states and 1561 transitions. [2024-11-09 00:40:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:40:35,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 250 [2024-11-09 00:40:35,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:35,763 INFO L225 Difference]: With dead ends: 968 [2024-11-09 00:40:35,763 INFO L226 Difference]: Without dead ends: 704 [2024-11-09 00:40:35,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:40:35,765 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 344 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:35,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 862 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:40:35,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-11-09 00:40:35,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 603. [2024-11-09 00:40:35,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 494 states have (on average 1.5303643724696356) internal successors, (756), 494 states have internal predecessors, (756), 105 states have call successors, (105), 3 states have call predecessors, (105), 3 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-09 00:40:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 966 transitions. [2024-11-09 00:40:35,801 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 966 transitions. Word has length 250 [2024-11-09 00:40:35,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:35,802 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 966 transitions. [2024-11-09 00:40:35,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 966 transitions. [2024-11-09 00:40:35,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-09 00:40:35,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:35,805 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:35,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 00:40:35,805 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:35,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:35,806 INFO L85 PathProgramCache]: Analyzing trace with hash -243924746, now seen corresponding path program 1 times [2024-11-09 00:40:35,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:35,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190368006] [2024-11-09 00:40:35,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:35,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:36,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:36,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190368006] [2024-11-09 00:40:36,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190368006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:36,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:36,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:40:36,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630441392] [2024-11-09 00:40:36,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:36,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:40:36,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:36,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:40:36,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:40:36,286 INFO L87 Difference]: Start difference. First operand 603 states and 966 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:36,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:36,562 INFO L93 Difference]: Finished difference Result 1849 states and 2959 transitions. [2024-11-09 00:40:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:40:36,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 251 [2024-11-09 00:40:36,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:36,569 INFO L225 Difference]: With dead ends: 1849 [2024-11-09 00:40:36,569 INFO L226 Difference]: Without dead ends: 1466 [2024-11-09 00:40:36,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:40:36,572 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 493 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:36,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 645 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:40:36,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2024-11-09 00:40:36,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 1190. [2024-11-09 00:40:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 1043 states have (on average 1.563758389261745) internal successors, (1631), 1045 states have internal predecessors, (1631), 141 states have call successors, (141), 5 states have call predecessors, (141), 5 states have return successors, (141), 139 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-09 00:40:36,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1913 transitions. [2024-11-09 00:40:36,628 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1913 transitions. Word has length 251 [2024-11-09 00:40:36,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:36,629 INFO L471 AbstractCegarLoop]: Abstraction has 1190 states and 1913 transitions. [2024-11-09 00:40:36,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1913 transitions. [2024-11-09 00:40:36,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-09 00:40:36,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:36,632 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:36,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 00:40:36,633 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:36,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:36,633 INFO L85 PathProgramCache]: Analyzing trace with hash 784534811, now seen corresponding path program 1 times [2024-11-09 00:40:36,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:36,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143381616] [2024-11-09 00:40:36,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:36,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:37,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:37,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:37,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143381616] [2024-11-09 00:40:37,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143381616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:37,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:37,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 00:40:37,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791706831] [2024-11-09 00:40:37,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:37,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 00:40:37,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:37,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 00:40:37,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-09 00:40:37,322 INFO L87 Difference]: Start difference. First operand 1190 states and 1913 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-09 00:40:38,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:38,043 INFO L93 Difference]: Finished difference Result 2934 states and 4706 transitions. [2024-11-09 00:40:38,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 00:40:38,044 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 252 [2024-11-09 00:40:38,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:38,057 INFO L225 Difference]: With dead ends: 2934 [2024-11-09 00:40:38,058 INFO L226 Difference]: Without dead ends: 2186 [2024-11-09 00:40:38,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-09 00:40:38,061 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 650 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:38,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 1539 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 00:40:38,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2024-11-09 00:40:38,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 1477. [2024-11-09 00:40:38,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 1330 states have (on average 1.5827067669172932) internal successors, (2105), 1332 states have internal predecessors, (2105), 141 states have call successors, (141), 5 states have call predecessors, (141), 5 states have return successors, (141), 139 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-09 00:40:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2387 transitions. [2024-11-09 00:40:38,138 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2387 transitions. Word has length 252 [2024-11-09 00:40:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:38,139 INFO L471 AbstractCegarLoop]: Abstraction has 1477 states and 2387 transitions. [2024-11-09 00:40:38,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-09 00:40:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2387 transitions. [2024-11-09 00:40:38,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-09 00:40:38,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:38,144 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:38,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 00:40:38,145 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:38,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:38,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1176911064, now seen corresponding path program 1 times [2024-11-09 00:40:38,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:38,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457005185] [2024-11-09 00:40:38,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:38,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 57 proven. 45 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-11-09 00:40:38,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:38,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457005185] [2024-11-09 00:40:38,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457005185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:40:38,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825311969] [2024-11-09 00:40:38,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:38,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:38,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:38,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:40:38,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 00:40:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:38,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:40:38,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1212 proven. 45 refuted. 0 times theorem prover too weak. 1123 trivial. 0 not checked. [2024-11-09 00:40:39,155 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:40:39,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 57 proven. 45 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-11-09 00:40:39,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825311969] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:40:39,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:40:39,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-09 00:40:39,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333519961] [2024-11-09 00:40:39,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:40:39,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 00:40:39,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:39,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 00:40:39,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 00:40:39,382 INFO L87 Difference]: Start difference. First operand 1477 states and 2387 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-09 00:40:39,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:39,610 INFO L93 Difference]: Finished difference Result 2372 states and 3821 transitions. [2024-11-09 00:40:39,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 00:40:39,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 252 [2024-11-09 00:40:39,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:39,615 INFO L225 Difference]: With dead ends: 2372 [2024-11-09 00:40:39,616 INFO L226 Difference]: Without dead ends: 1045 [2024-11-09 00:40:39,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 570 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-09 00:40:39,620 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 320 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:39,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 553 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:40:39,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-11-09 00:40:39,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 881. [2024-11-09 00:40:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 769 states have (on average 1.5487646293888166) internal successors, (1191), 769 states have internal predecessors, (1191), 105 states have call successors, (105), 6 states have call predecessors, (105), 6 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-09 00:40:39,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1401 transitions. [2024-11-09 00:40:39,654 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1401 transitions. Word has length 252 [2024-11-09 00:40:39,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:39,655 INFO L471 AbstractCegarLoop]: Abstraction has 881 states and 1401 transitions. [2024-11-09 00:40:39,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-09 00:40:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1401 transitions. [2024-11-09 00:40:39,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-09 00:40:39,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:39,658 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:39,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 00:40:39,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:39,859 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:39,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:39,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2132304578, now seen corresponding path program 1 times [2024-11-09 00:40:39,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:39,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873066625] [2024-11-09 00:40:39,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:39,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:40,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:40,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:40,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873066625] [2024-11-09 00:40:40,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873066625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:40,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:40,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 00:40:40,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601648509] [2024-11-09 00:40:40,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:40,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 00:40:40,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:40,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 00:40:40,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-09 00:40:40,744 INFO L87 Difference]: Start difference. First operand 881 states and 1401 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:41,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:41,921 INFO L93 Difference]: Finished difference Result 4001 states and 6225 transitions. [2024-11-09 00:40:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 00:40:41,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 252 [2024-11-09 00:40:41,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:41,934 INFO L225 Difference]: With dead ends: 4001 [2024-11-09 00:40:41,935 INFO L226 Difference]: Without dead ends: 3479 [2024-11-09 00:40:41,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-09 00:40:41,937 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 1510 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:41,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 1253 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 00:40:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3479 states. [2024-11-09 00:40:42,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3479 to 2407. [2024-11-09 00:40:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2407 states, 2208 states have (on average 1.548913043478261) internal successors, (3420), 2212 states have internal predecessors, (3420), 185 states have call successors, (185), 13 states have call predecessors, (185), 13 states have return successors, (185), 181 states have call predecessors, (185), 185 states have call successors, (185) [2024-11-09 00:40:42,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2407 states and 3790 transitions. [2024-11-09 00:40:42,081 INFO L78 Accepts]: Start accepts. Automaton has 2407 states and 3790 transitions. Word has length 252 [2024-11-09 00:40:42,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:42,081 INFO L471 AbstractCegarLoop]: Abstraction has 2407 states and 3790 transitions. [2024-11-09 00:40:42,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:42,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 3790 transitions. [2024-11-09 00:40:42,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-09 00:40:42,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:42,086 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:42,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 00:40:42,087 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:42,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:42,087 INFO L85 PathProgramCache]: Analyzing trace with hash -151846409, now seen corresponding path program 1 times [2024-11-09 00:40:42,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:42,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416502838] [2024-11-09 00:40:42,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:42,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:42,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:42,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416502838] [2024-11-09 00:40:42,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416502838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:42,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:42,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 00:40:42,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969291016] [2024-11-09 00:40:42,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:42,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 00:40:42,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:42,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 00:40:42,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 00:40:42,636 INFO L87 Difference]: Start difference. First operand 2407 states and 3790 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-09 00:40:43,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:43,271 INFO L93 Difference]: Finished difference Result 3991 states and 6246 transitions. [2024-11-09 00:40:43,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 00:40:43,271 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 252 [2024-11-09 00:40:43,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:43,280 INFO L225 Difference]: With dead ends: 3991 [2024-11-09 00:40:43,281 INFO L226 Difference]: Without dead ends: 2601 [2024-11-09 00:40:43,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-09 00:40:43,285 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 277 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:43,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 1403 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 00:40:43,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2601 states. [2024-11-09 00:40:43,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2601 to 2439. [2024-11-09 00:40:43,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2240 states have (on average 1.5473214285714285) internal successors, (3466), 2244 states have internal predecessors, (3466), 185 states have call successors, (185), 13 states have call predecessors, (185), 13 states have return successors, (185), 181 states have call predecessors, (185), 185 states have call successors, (185) [2024-11-09 00:40:43,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3836 transitions. [2024-11-09 00:40:43,365 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3836 transitions. Word has length 252 [2024-11-09 00:40:43,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:43,366 INFO L471 AbstractCegarLoop]: Abstraction has 2439 states and 3836 transitions. [2024-11-09 00:40:43,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-09 00:40:43,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3836 transitions. [2024-11-09 00:40:43,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-09 00:40:43,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:43,370 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:43,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 00:40:43,371 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:43,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:43,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1158993476, now seen corresponding path program 1 times [2024-11-09 00:40:43,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:43,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279253848] [2024-11-09 00:40:43,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:43,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-11-09 00:40:43,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:43,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279253848] [2024-11-09 00:40:43,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279253848] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:40:43,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279617683] [2024-11-09 00:40:43,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:43,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:43,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:44,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:40:44,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 00:40:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:44,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:40:44,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:44,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1134 proven. 36 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2024-11-09 00:40:44,386 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:40:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-11-09 00:40:44,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279617683] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:40:44,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:40:44,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2024-11-09 00:40:44,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074382359] [2024-11-09 00:40:44,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:40:44,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 00:40:44,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:44,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 00:40:44,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-09 00:40:44,663 INFO L87 Difference]: Start difference. First operand 2439 states and 3836 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 00:40:45,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:45,242 INFO L93 Difference]: Finished difference Result 4999 states and 7793 transitions. [2024-11-09 00:40:45,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 00:40:45,243 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 252 [2024-11-09 00:40:45,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:45,256 INFO L225 Difference]: With dead ends: 4999 [2024-11-09 00:40:45,256 INFO L226 Difference]: Without dead ends: 3673 [2024-11-09 00:40:45,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 567 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-11-09 00:40:45,260 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 415 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:45,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 1278 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 00:40:45,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3673 states. [2024-11-09 00:40:45,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3673 to 2889. [2024-11-09 00:40:45,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2889 states, 2649 states have (on average 1.5292563231408078) internal successors, (4051), 2655 states have internal predecessors, (4051), 221 states have call successors, (221), 18 states have call predecessors, (221), 18 states have return successors, (221), 215 states have call predecessors, (221), 221 states have call successors, (221) [2024-11-09 00:40:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 2889 states and 4493 transitions. [2024-11-09 00:40:45,358 INFO L78 Accepts]: Start accepts. Automaton has 2889 states and 4493 transitions. Word has length 252 [2024-11-09 00:40:45,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:45,359 INFO L471 AbstractCegarLoop]: Abstraction has 2889 states and 4493 transitions. [2024-11-09 00:40:45,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 00:40:45,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2889 states and 4493 transitions. [2024-11-09 00:40:45,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-09 00:40:45,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:45,363 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:45,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:45,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 00:40:45,568 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:45,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:45,569 INFO L85 PathProgramCache]: Analyzing trace with hash 185712578, now seen corresponding path program 1 times [2024-11-09 00:40:45,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:45,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612709151] [2024-11-09 00:40:45,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:45,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:46,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:46,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612709151] [2024-11-09 00:40:46,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612709151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:46,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:46,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 00:40:46,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763542908] [2024-11-09 00:40:46,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:46,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 00:40:46,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:46,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 00:40:46,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 00:40:46,204 INFO L87 Difference]: Start difference. First operand 2889 states and 4493 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:46,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:46,640 INFO L93 Difference]: Finished difference Result 8357 states and 12984 transitions. [2024-11-09 00:40:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 00:40:46,641 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 252 [2024-11-09 00:40:46,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:46,663 INFO L225 Difference]: With dead ends: 8357 [2024-11-09 00:40:46,663 INFO L226 Difference]: Without dead ends: 6405 [2024-11-09 00:40:46,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-09 00:40:46,671 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 630 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 1142 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:46,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 1142 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:40:46,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6405 states. [2024-11-09 00:40:46,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6405 to 4367. [2024-11-09 00:40:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4367 states, 4127 states have (on average 1.5352556336321783) internal successors, (6336), 4133 states have internal predecessors, (6336), 221 states have call successors, (221), 18 states have call predecessors, (221), 18 states have return successors, (221), 215 states have call predecessors, (221), 221 states have call successors, (221) [2024-11-09 00:40:46,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4367 states to 4367 states and 6778 transitions. [2024-11-09 00:40:46,817 INFO L78 Accepts]: Start accepts. Automaton has 4367 states and 6778 transitions. Word has length 252 [2024-11-09 00:40:46,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:46,817 INFO L471 AbstractCegarLoop]: Abstraction has 4367 states and 6778 transitions. [2024-11-09 00:40:46,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:46,817 INFO L276 IsEmpty]: Start isEmpty. Operand 4367 states and 6778 transitions. [2024-11-09 00:40:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-09 00:40:46,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:46,825 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:46,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 00:40:46,825 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:46,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:46,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1737937792, now seen corresponding path program 1 times [2024-11-09 00:40:46,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:46,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77131871] [2024-11-09 00:40:46,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:46,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:46,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:46,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77131871] [2024-11-09 00:40:46,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77131871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:46,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:46,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:40:46,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832873537] [2024-11-09 00:40:46,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:46,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:40:46,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:46,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:40:46,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:40:46,986 INFO L87 Difference]: Start difference. First operand 4367 states and 6778 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:47,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:47,139 INFO L93 Difference]: Finished difference Result 6751 states and 10468 transitions. [2024-11-09 00:40:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:40:47,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 252 [2024-11-09 00:40:47,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:47,159 INFO L225 Difference]: With dead ends: 6751 [2024-11-09 00:40:47,160 INFO L226 Difference]: Without dead ends: 4959 [2024-11-09 00:40:47,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:40:47,166 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 218 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:47,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 528 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:40:47,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4959 states. [2024-11-09 00:40:47,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4959 to 4865. [2024-11-09 00:40:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4865 states, 4509 states have (on average 1.5200709691727656) internal successors, (6854), 4519 states have internal predecessors, (6854), 327 states have call successors, (327), 28 states have call predecessors, (327), 28 states have return successors, (327), 317 states have call predecessors, (327), 327 states have call successors, (327) [2024-11-09 00:40:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4865 states to 4865 states and 7508 transitions. [2024-11-09 00:40:47,352 INFO L78 Accepts]: Start accepts. Automaton has 4865 states and 7508 transitions. Word has length 252 [2024-11-09 00:40:47,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:47,353 INFO L471 AbstractCegarLoop]: Abstraction has 4865 states and 7508 transitions. [2024-11-09 00:40:47,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:47,353 INFO L276 IsEmpty]: Start isEmpty. Operand 4865 states and 7508 transitions. [2024-11-09 00:40:47,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-09 00:40:47,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:47,359 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:47,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 00:40:47,359 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:47,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:47,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1855964926, now seen corresponding path program 1 times [2024-11-09 00:40:47,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:47,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034170856] [2024-11-09 00:40:47,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:47,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:47,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:47,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034170856] [2024-11-09 00:40:47,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034170856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:47,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:47,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 00:40:47,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110712150] [2024-11-09 00:40:47,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:47,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 00:40:47,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:47,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 00:40:47,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:40:47,772 INFO L87 Difference]: Start difference. First operand 4865 states and 7508 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:48,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:48,297 INFO L93 Difference]: Finished difference Result 8969 states and 13762 transitions. [2024-11-09 00:40:48,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 00:40:48,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 252 [2024-11-09 00:40:48,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:48,315 INFO L225 Difference]: With dead ends: 8969 [2024-11-09 00:40:48,315 INFO L226 Difference]: Without dead ends: 6471 [2024-11-09 00:40:48,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 00:40:48,324 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 456 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:48,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1745 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:40:48,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6471 states. [2024-11-09 00:40:48,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6471 to 4873. [2024-11-09 00:40:48,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4873 states, 4467 states have (on average 1.4913812402059548) internal successors, (6662), 4479 states have internal predecessors, (6662), 371 states have call successors, (371), 34 states have call predecessors, (371), 34 states have return successors, (371), 359 states have call predecessors, (371), 371 states have call successors, (371) [2024-11-09 00:40:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 7404 transitions. [2024-11-09 00:40:48,591 INFO L78 Accepts]: Start accepts. Automaton has 4873 states and 7404 transitions. Word has length 252 [2024-11-09 00:40:48,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:48,591 INFO L471 AbstractCegarLoop]: Abstraction has 4873 states and 7404 transitions. [2024-11-09 00:40:48,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 7404 transitions. [2024-11-09 00:40:48,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-09 00:40:48,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:48,603 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:48,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 00:40:48,604 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:48,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:48,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1465691268, now seen corresponding path program 1 times [2024-11-09 00:40:48,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:48,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294925680] [2024-11-09 00:40:48,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:48,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 36 proven. 66 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-11-09 00:40:49,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:49,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294925680] [2024-11-09 00:40:49,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294925680] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:40:49,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096174966] [2024-11-09 00:40:49,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:49,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:49,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:49,110 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:40:49,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 00:40:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:40:49,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1114 proven. 66 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 00:40:49,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:40:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 36 proven. 66 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-11-09 00:40:50,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096174966] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:40:50,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:40:50,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 18 [2024-11-09 00:40:50,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421084815] [2024-11-09 00:40:50,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:40:50,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 00:40:50,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:50,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 00:40:50,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2024-11-09 00:40:50,270 INFO L87 Difference]: Start difference. First operand 4873 states and 7404 transitions. Second operand has 18 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 5 states have call successors, (105), 3 states have call predecessors, (105), 6 states have return successors, (105), 5 states have call predecessors, (105), 5 states have call successors, (105) [2024-11-09 00:40:51,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:51,685 INFO L93 Difference]: Finished difference Result 12367 states and 18596 transitions. [2024-11-09 00:40:51,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 00:40:51,691 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 5 states have call successors, (105), 3 states have call predecessors, (105), 6 states have return successors, (105), 5 states have call predecessors, (105), 5 states have call successors, (105) Word has length 252 [2024-11-09 00:40:51,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:51,720 INFO L225 Difference]: With dead ends: 12367 [2024-11-09 00:40:51,720 INFO L226 Difference]: Without dead ends: 8408 [2024-11-09 00:40:51,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=569, Unknown=0, NotChecked=0, Total=756 [2024-11-09 00:40:51,732 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 1331 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 2367 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:51,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 2367 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 00:40:51,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8408 states. [2024-11-09 00:40:52,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8408 to 7298. [2024-11-09 00:40:52,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7298 states, 6511 states have (on average 1.473045615112886) internal successors, (9591), 6535 states have internal predecessors, (9591), 707 states have call successors, (707), 79 states have call predecessors, (707), 79 states have return successors, (707), 683 states have call predecessors, (707), 707 states have call successors, (707) [2024-11-09 00:40:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7298 states to 7298 states and 11005 transitions. [2024-11-09 00:40:52,109 INFO L78 Accepts]: Start accepts. Automaton has 7298 states and 11005 transitions. Word has length 252 [2024-11-09 00:40:52,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:52,109 INFO L471 AbstractCegarLoop]: Abstraction has 7298 states and 11005 transitions. [2024-11-09 00:40:52,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 5 states have call successors, (105), 3 states have call predecessors, (105), 6 states have return successors, (105), 5 states have call predecessors, (105), 5 states have call successors, (105) [2024-11-09 00:40:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand 7298 states and 11005 transitions. [2024-11-09 00:40:52,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-09 00:40:52,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:52,116 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:52,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 00:40:52,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:52,318 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:52,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:52,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1478687444, now seen corresponding path program 1 times [2024-11-09 00:40:52,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:52,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842419622] [2024-11-09 00:40:52,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:52,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:53,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:53,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842419622] [2024-11-09 00:40:53,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842419622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:53,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:53,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 00:40:53,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785894619] [2024-11-09 00:40:53,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:53,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 00:40:53,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:53,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 00:40:53,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 00:40:53,248 INFO L87 Difference]: Start difference. First operand 7298 states and 11005 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:54,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:54,983 INFO L93 Difference]: Finished difference Result 17474 states and 26051 transitions. [2024-11-09 00:40:54,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 00:40:54,984 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 254 [2024-11-09 00:40:54,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:55,025 INFO L225 Difference]: With dead ends: 17474 [2024-11-09 00:40:55,025 INFO L226 Difference]: Without dead ends: 12944 [2024-11-09 00:40:55,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-11-09 00:40:55,040 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 866 mSDsluCounter, 1321 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:55,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 1922 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 00:40:55,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12944 states. [2024-11-09 00:40:55,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12944 to 8254. [2024-11-09 00:40:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8254 states, 7231 states have (on average 1.4630064997925598) internal successors, (10579), 7263 states have internal predecessors, (10579), 919 states have call successors, (919), 103 states have call predecessors, (919), 103 states have return successors, (919), 887 states have call predecessors, (919), 919 states have call successors, (919) [2024-11-09 00:40:55,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8254 states to 8254 states and 12417 transitions. [2024-11-09 00:40:55,522 INFO L78 Accepts]: Start accepts. Automaton has 8254 states and 12417 transitions. Word has length 254 [2024-11-09 00:40:55,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:55,523 INFO L471 AbstractCegarLoop]: Abstraction has 8254 states and 12417 transitions. [2024-11-09 00:40:55,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:55,523 INFO L276 IsEmpty]: Start isEmpty. Operand 8254 states and 12417 transitions. [2024-11-09 00:40:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-09 00:40:55,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:55,530 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:55,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 00:40:55,530 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:55,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:55,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1335746520, now seen corresponding path program 1 times [2024-11-09 00:40:55,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:55,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867761355] [2024-11-09 00:40:55,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:55,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:40:56,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:56,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867761355] [2024-11-09 00:40:56,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867761355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:56,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:56,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 00:40:56,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255165261] [2024-11-09 00:40:56,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:56,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 00:40:56,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:56,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 00:40:56,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 00:40:56,089 INFO L87 Difference]: Start difference. First operand 8254 states and 12417 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:57,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:57,025 INFO L93 Difference]: Finished difference Result 16350 states and 24439 transitions. [2024-11-09 00:40:57,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 00:40:57,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 254 [2024-11-09 00:40:57,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:57,054 INFO L225 Difference]: With dead ends: 16350 [2024-11-09 00:40:57,054 INFO L226 Difference]: Without dead ends: 10832 [2024-11-09 00:40:57,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 00:40:57,068 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 477 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:57,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1041 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:40:57,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10832 states. [2024-11-09 00:40:57,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10832 to 8590. [2024-11-09 00:40:57,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8590 states, 7409 states have (on average 1.4508030773383722) internal successors, (10749), 7445 states have internal predecessors, (10749), 1059 states have call successors, (1059), 121 states have call predecessors, (1059), 121 states have return successors, (1059), 1023 states have call predecessors, (1059), 1059 states have call successors, (1059) [2024-11-09 00:40:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8590 states to 8590 states and 12867 transitions. [2024-11-09 00:40:57,606 INFO L78 Accepts]: Start accepts. Automaton has 8590 states and 12867 transitions. Word has length 254 [2024-11-09 00:40:57,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:57,607 INFO L471 AbstractCegarLoop]: Abstraction has 8590 states and 12867 transitions. [2024-11-09 00:40:57,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-09 00:40:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 8590 states and 12867 transitions. [2024-11-09 00:40:57,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-09 00:40:57,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:57,614 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:57,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 00:40:57,614 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:57,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:57,614 INFO L85 PathProgramCache]: Analyzing trace with hash -496765930, now seen corresponding path program 1 times [2024-11-09 00:40:57,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:57,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866141945] [2024-11-09 00:40:57,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:57,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:40:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:40:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:40:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:40:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:40:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:40:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:40:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:40:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:40:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:40:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:40:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:40:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:40:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:40:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:40:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 42 proven. 60 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-11-09 00:40:58,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:58,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866141945] [2024-11-09 00:40:58,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866141945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:40:58,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4406457] [2024-11-09 00:40:58,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:58,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:58,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:58,453 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:40:58,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 00:40:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 00:40:58,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:59,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1204 proven. 114 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-11-09 00:40:59,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:41:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 84 proven. 117 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2024-11-09 00:41:00,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4406457] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:41:00,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:41:00,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 14] total 34 [2024-11-09 00:41:00,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848547724] [2024-11-09 00:41:00,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:41:00,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-09 00:41:00,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:41:00,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-09 00:41:00,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=939, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 00:41:00,479 INFO L87 Difference]: Start difference. First operand 8590 states and 12867 transitions. Second operand has 34 states, 33 states have (on average 6.393939393939394) internal successors, (211), 32 states have internal predecessors, (211), 8 states have call successors, (105), 4 states have call predecessors, (105), 8 states have return successors, (105), 8 states have call predecessors, (105), 8 states have call successors, (105) [2024-11-09 00:41:03,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:41:03,455 INFO L93 Difference]: Finished difference Result 25895 states and 38397 transitions. [2024-11-09 00:41:03,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-09 00:41:03,456 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 6.393939393939394) internal successors, (211), 32 states have internal predecessors, (211), 8 states have call successors, (105), 4 states have call predecessors, (105), 8 states have return successors, (105), 8 states have call predecessors, (105), 8 states have call successors, (105) Word has length 254 [2024-11-09 00:41:03,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:41:03,542 INFO L225 Difference]: With dead ends: 25895 [2024-11-09 00:41:03,542 INFO L226 Difference]: Without dead ends: 18991 [2024-11-09 00:41:03,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=833, Invalid=3073, Unknown=0, NotChecked=0, Total=3906 [2024-11-09 00:41:03,554 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 3518 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 2189 mSolverCounterSat, 476 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3519 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 2665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 476 IncrementalHoareTripleChecker+Valid, 2189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 00:41:03,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3519 Valid, 2420 Invalid, 2665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [476 Valid, 2189 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 00:41:03,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18991 states. [2024-11-09 00:41:04,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18991 to 12011. [2024-11-09 00:41:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12011 states, 10827 states have (on average 1.4661494412117853) internal successors, (15874), 10863 states have internal predecessors, (15874), 1059 states have call successors, (1059), 124 states have call predecessors, (1059), 124 states have return successors, (1059), 1023 states have call predecessors, (1059), 1059 states have call successors, (1059) [2024-11-09 00:41:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12011 states to 12011 states and 17992 transitions. [2024-11-09 00:41:04,145 INFO L78 Accepts]: Start accepts. Automaton has 12011 states and 17992 transitions. Word has length 254 [2024-11-09 00:41:04,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:41:04,145 INFO L471 AbstractCegarLoop]: Abstraction has 12011 states and 17992 transitions. [2024-11-09 00:41:04,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 6.393939393939394) internal successors, (211), 32 states have internal predecessors, (211), 8 states have call successors, (105), 4 states have call predecessors, (105), 8 states have return successors, (105), 8 states have call predecessors, (105), 8 states have call successors, (105) [2024-11-09 00:41:04,145 INFO L276 IsEmpty]: Start isEmpty. Operand 12011 states and 17992 transitions. [2024-11-09 00:41:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-09 00:41:04,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:41:04,156 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:41:04,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 00:41:04,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 00:41:04,357 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:41:04,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:41:04,358 INFO L85 PathProgramCache]: Analyzing trace with hash 577497753, now seen corresponding path program 1 times [2024-11-09 00:41:04,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:41:04,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151926798] [2024-11-09 00:41:04,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:41:04,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:41:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:41:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:41:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:41:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:41:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:41:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:41:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:41:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:41:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:41:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:41:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:41:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:41:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:41:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:41:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:41:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:41:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:04,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:41:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:41:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:41:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:41:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:41:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:41:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:41:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:41:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:41:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:41:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:41:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:41:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:41:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:41:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:41:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:41:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:41:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:41:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 84 proven. 114 refuted. 0 times theorem prover too weak. 2182 trivial. 0 not checked. [2024-11-09 00:41:05,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:41:05,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151926798] [2024-11-09 00:41:05,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151926798] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:41:05,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459768211] [2024-11-09 00:41:05,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:41:05,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:41:05,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:41:05,052 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:41:05,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 00:41:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:05,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:41:05,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1204 proven. 114 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-11-09 00:41:05,948 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:41:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 84 proven. 117 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2024-11-09 00:41:06,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459768211] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:41:06,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:41:06,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 26 [2024-11-09 00:41:06,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331215102] [2024-11-09 00:41:06,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:41:06,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 00:41:06,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:41:06,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 00:41:06,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2024-11-09 00:41:06,848 INFO L87 Difference]: Start difference. First operand 12011 states and 17992 transitions. Second operand has 26 states, 25 states have (on average 7.76) internal successors, (194), 24 states have internal predecessors, (194), 7 states have call successors, (105), 4 states have call predecessors, (105), 8 states have return successors, (105), 7 states have call predecessors, (105), 7 states have call successors, (105) [2024-11-09 00:41:19,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:41:19,178 INFO L93 Difference]: Finished difference Result 93814 states and 138949 transitions. [2024-11-09 00:41:19,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-11-09 00:41:19,179 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 7.76) internal successors, (194), 24 states have internal predecessors, (194), 7 states have call successors, (105), 4 states have call predecessors, (105), 8 states have return successors, (105), 7 states have call predecessors, (105), 7 states have call successors, (105) Word has length 254 [2024-11-09 00:41:19,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:41:19,383 INFO L225 Difference]: With dead ends: 93814 [2024-11-09 00:41:19,383 INFO L226 Difference]: Without dead ends: 86272 [2024-11-09 00:41:19,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6723 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=3752, Invalid=12760, Unknown=0, NotChecked=0, Total=16512 [2024-11-09 00:41:19,424 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 5346 mSDsluCounter, 3621 mSDsCounter, 0 mSdLazyCounter, 3368 mSolverCounterSat, 1524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5375 SdHoareTripleChecker+Valid, 4101 SdHoareTripleChecker+Invalid, 4892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1524 IncrementalHoareTripleChecker+Valid, 3368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:41:19,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5375 Valid, 4101 Invalid, 4892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1524 Valid, 3368 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-09 00:41:19,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86272 states. [2024-11-09 00:41:22,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86272 to 57438. [2024-11-09 00:41:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57438 states, 54054 states have (on average 1.5072520072520073) internal successors, (81473), 54208 states have internal predecessors, (81473), 2971 states have call successors, (2971), 412 states have call predecessors, (2971), 412 states have return successors, (2971), 2817 states have call predecessors, (2971), 2971 states have call successors, (2971) [2024-11-09 00:41:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57438 states to 57438 states and 87415 transitions. [2024-11-09 00:41:22,997 INFO L78 Accepts]: Start accepts. Automaton has 57438 states and 87415 transitions. Word has length 254 [2024-11-09 00:41:22,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:41:22,998 INFO L471 AbstractCegarLoop]: Abstraction has 57438 states and 87415 transitions. [2024-11-09 00:41:22,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 7.76) internal successors, (194), 24 states have internal predecessors, (194), 7 states have call successors, (105), 4 states have call predecessors, (105), 8 states have return successors, (105), 7 states have call predecessors, (105), 7 states have call successors, (105) [2024-11-09 00:41:22,998 INFO L276 IsEmpty]: Start isEmpty. Operand 57438 states and 87415 transitions. [2024-11-09 00:41:23,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-09 00:41:23,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:41:23,030 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:41:23,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 00:41:23,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 00:41:23,231 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:41:23,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:41:23,231 INFO L85 PathProgramCache]: Analyzing trace with hash 431047897, now seen corresponding path program 1 times [2024-11-09 00:41:23,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:41:23,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763579717] [2024-11-09 00:41:23,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:41:23,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:41:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:41:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:41:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:41:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:41:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:41:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:41:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:41:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:41:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:41:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:41:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:23,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:41:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:41:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:41:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:41:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:41:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:41:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:41:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:41:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:41:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:41:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:41:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:41:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:41:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:41:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:41:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:41:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:41:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:41:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:41:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:41:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:41:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:41:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:41:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:41:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-09 00:41:24,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:41:24,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763579717] [2024-11-09 00:41:24,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763579717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:41:24,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:41:24,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 00:41:24,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61231021] [2024-11-09 00:41:24,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:41:24,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 00:41:24,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:41:24,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 00:41:24,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 00:41:24,065 INFO L87 Difference]: Start difference. First operand 57438 states and 87415 transitions. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-09 00:41:28,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:41:28,221 INFO L93 Difference]: Finished difference Result 111804 states and 169396 transitions. [2024-11-09 00:41:28,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 00:41:28,222 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 255 [2024-11-09 00:41:28,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:41:28,350 INFO L225 Difference]: With dead ends: 111804 [2024-11-09 00:41:28,350 INFO L226 Difference]: Without dead ends: 71620 [2024-11-09 00:41:28,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-09 00:41:28,385 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 944 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 944 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 00:41:28,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [944 Valid, 1721 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 00:41:28,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71620 states. [2024-11-09 00:41:30,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71620 to 58735. [2024-11-09 00:41:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58735 states, 55350 states have (on average 1.5059801264679313) internal successors, (83356), 55504 states have internal predecessors, (83356), 2971 states have call successors, (2971), 413 states have call predecessors, (2971), 413 states have return successors, (2971), 2817 states have call predecessors, (2971), 2971 states have call successors, (2971) [2024-11-09 00:41:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58735 states to 58735 states and 89298 transitions. [2024-11-09 00:41:31,274 INFO L78 Accepts]: Start accepts. Automaton has 58735 states and 89298 transitions. Word has length 255 [2024-11-09 00:41:31,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:41:31,274 INFO L471 AbstractCegarLoop]: Abstraction has 58735 states and 89298 transitions. [2024-11-09 00:41:31,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-09 00:41:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 58735 states and 89298 transitions. [2024-11-09 00:41:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-09 00:41:31,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:41:31,302 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:41:31,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 00:41:31,302 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:41:31,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:41:31,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1505311580, now seen corresponding path program 1 times [2024-11-09 00:41:31,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:41:31,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601214372] [2024-11-09 00:41:31,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:41:31,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:41:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:41:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:41:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:41:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:41:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:41:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:41:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:41:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:41:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:41:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:41:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:41:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:41:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:41:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:41:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:41:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:41:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:41:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:41:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:41:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:41:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:41:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:41:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 00:41:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:41:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:41:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:41:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:41:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:41:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:41:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:41:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 00:41:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 00:41:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 00:41:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-09 00:41:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 39 proven. 63 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-11-09 00:41:31,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:41:31,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601214372] [2024-11-09 00:41:31,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601214372] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:41:31,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793243255] [2024-11-09 00:41:31,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:41:31,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:41:31,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:41:31,807 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:41:31,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 00:41:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:32,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:41:32,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1152 proven. 63 refuted. 0 times theorem prover too weak. 1165 trivial. 0 not checked. [2024-11-09 00:41:32,427 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:41:32,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 39 proven. 63 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-11-09 00:41:32,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793243255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:41:32,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:41:32,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 20 [2024-11-09 00:41:32,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905711533] [2024-11-09 00:41:32,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:41:32,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 00:41:32,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:41:32,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 00:41:32,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2024-11-09 00:41:32,680 INFO L87 Difference]: Start difference. First operand 58735 states and 89298 transitions. Second operand has 20 states, 19 states have (on average 8.263157894736842) internal successors, (157), 19 states have internal predecessors, (157), 7 states have call successors, (105), 3 states have call predecessors, (105), 6 states have return successors, (105), 7 states have call predecessors, (105), 7 states have call successors, (105) [2024-11-09 00:41:39,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:41:39,874 INFO L93 Difference]: Finished difference Result 176604 states and 268720 transitions. [2024-11-09 00:41:39,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 00:41:39,875 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.263157894736842) internal successors, (157), 19 states have internal predecessors, (157), 7 states have call successors, (105), 3 states have call predecessors, (105), 6 states have return successors, (105), 7 states have call predecessors, (105), 7 states have call successors, (105) Word has length 255 [2024-11-09 00:41:39,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:41:40,197 INFO L225 Difference]: With dead ends: 176604 [2024-11-09 00:41:40,197 INFO L226 Difference]: Without dead ends: 127295 [2024-11-09 00:41:40,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=268, Invalid=788, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 00:41:40,281 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 1289 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 3018 SdHoareTripleChecker+Invalid, 1423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 00:41:40,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 3018 Invalid, 1423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 00:41:40,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127295 states.