./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-42.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 5e104cbbe92849db5f4f231224a2ac2d2f04205e465893be255099ba4190cda0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 07:33:27,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 07:33:27,738 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 07:33:27,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 07:33:27,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 07:33:27,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 07:33:27,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 07:33:27,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 07:33:27,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 07:33:27,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 07:33:27,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 07:33:27,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 07:33:27,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 07:33:27,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 07:33:27,776 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 07:33:27,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 07:33:27,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 07:33:27,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 07:33:27,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 07:33:27,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 07:33:27,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 07:33:27,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 07:33:27,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 07:33:27,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 07:33:27,781 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 07:33:27,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 07:33:27,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 07:33:27,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 07:33:27,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 07:33:27,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 07:33:27,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 07:33:27,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 07:33:27,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:33:27,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 07:33:27,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 07:33:27,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 07:33:27,783 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 07:33:27,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 07:33:27,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 07:33:27,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 07:33:27,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 07:33:27,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 07:33:27,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e104cbbe92849db5f4f231224a2ac2d2f04205e465893be255099ba4190cda0 [2024-11-20 07:33:28,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 07:33:28,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 07:33:28,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 07:33:28,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 07:33:28,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 07:33:28,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-42.i [2024-11-20 07:33:29,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 07:33:29,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 07:33:29,434 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-42.i [2024-11-20 07:33:29,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/864b351fb/046c8066372c4867826ee9a63a571f75/FLAG292d75c32 [2024-11-20 07:33:29,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/864b351fb/046c8066372c4867826ee9a63a571f75 [2024-11-20 07:33:29,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 07:33:29,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 07:33:29,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 07:33:29,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 07:33:29,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 07:33:29,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:33:29" (1/1) ... [2024-11-20 07:33:29,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6056ffa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:29, skipping insertion in model container [2024-11-20 07:33:29,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:33:29" (1/1) ... [2024-11-20 07:33:29,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 07:33:29,963 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-42.i[916,929] [2024-11-20 07:33:30,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:33:30,101 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 07:33:30,113 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-42.i[916,929] [2024-11-20 07:33:30,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:33:30,191 INFO L204 MainTranslator]: Completed translation [2024-11-20 07:33:30,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30 WrapperNode [2024-11-20 07:33:30,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 07:33:30,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 07:33:30,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 07:33:30,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 07:33:30,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,265 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 426 [2024-11-20 07:33:30,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 07:33:30,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 07:33:30,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 07:33:30,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 07:33:30,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,287 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,320 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]. [2024-11-20 07:33:30,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 07:33:30,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 07:33:30,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 07:33:30,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 07:33:30,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (1/1) ... [2024-11-20 07:33:30,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:33:30,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:33:30,409 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) [2024-11-20 07:33:30,411 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 [2024-11-20 07:33:30,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 07:33:30,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 07:33:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 07:33:30,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 07:33:30,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 07:33:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 07:33:30,525 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 07:33:30,527 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 07:33:31,191 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-20 07:33:31,191 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 07:33:31,209 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 07:33:31,209 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 07:33:31,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:33:31 BoogieIcfgContainer [2024-11-20 07:33:31,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 07:33:31,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 07:33:31,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 07:33:31,217 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 07:33:31,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:33:29" (1/3) ... [2024-11-20 07:33:31,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd53199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:33:31, skipping insertion in model container [2024-11-20 07:33:31,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:30" (2/3) ... [2024-11-20 07:33:31,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd53199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:33:31, skipping insertion in model container [2024-11-20 07:33:31,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:33:31" (3/3) ... [2024-11-20 07:33:31,220 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-42.i [2024-11-20 07:33:31,235 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 07:33:31,235 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 07:33:31,298 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 07:33:31,307 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;@36495541, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 07:33:31,307 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 07:33:31,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 129 states have (on average 1.5348837209302326) internal successors, (198), 130 states have internal predecessors, (198), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-20 07:33:31,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-20 07:33:31,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:31,333 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:31,333 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:31,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:31,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1319506978, now seen corresponding path program 1 times [2024-11-20 07:33:31,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:31,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477143517] [2024-11-20 07:33:31,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:31,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:31,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:33:31,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:31,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477143517] [2024-11-20 07:33:31,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477143517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:33:31,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:33:31,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 07:33:31,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898486304] [2024-11-20 07:33:31,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:33:31,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 07:33:31,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:31,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 07:33:31,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 07:33:31,967 INFO L87 Difference]: Start difference. First operand has 175 states, 129 states have (on average 1.5348837209302326) internal successors, (198), 130 states have internal predecessors, (198), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-20 07:33:31,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:31,998 INFO L93 Difference]: Finished difference Result 343 states and 605 transitions. [2024-11-20 07:33:31,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 07:33:32,000 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 285 [2024-11-20 07:33:32,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:32,010 INFO L225 Difference]: With dead ends: 343 [2024-11-20 07:33:32,010 INFO L226 Difference]: Without dead ends: 171 [2024-11-20 07:33:32,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 07:33:32,016 INFO L432 NwaCegarLoop]: 274 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, 274 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 [2024-11-20 07:33:32,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:33:32,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-20 07:33:32,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-20 07:33:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 126 states have (on average 1.492063492063492) internal successors, (188), 126 states have internal predecessors, (188), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-20 07:33:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 274 transitions. [2024-11-20 07:33:32,070 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 274 transitions. Word has length 285 [2024-11-20 07:33:32,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:32,070 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 274 transitions. [2024-11-20 07:33:32,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-20 07:33:32,071 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 274 transitions. [2024-11-20 07:33:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-20 07:33:32,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:32,075 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:32,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 07:33:32,076 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:32,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:32,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1521171106, now seen corresponding path program 1 times [2024-11-20 07:33:32,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:32,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656124566] [2024-11-20 07:33:32,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:32,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:33:32,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:32,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656124566] [2024-11-20 07:33:32,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656124566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:33:32,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:33:32,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:33:32,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447633708] [2024-11-20 07:33:32,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:33:32,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:33:32,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:32,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:33:32,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:33:32,765 INFO L87 Difference]: Start difference. First operand 171 states and 274 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:33,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:33,021 INFO L93 Difference]: Finished difference Result 508 states and 817 transitions. [2024-11-20 07:33:33,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:33:33,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 286 [2024-11-20 07:33:33,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:33,026 INFO L225 Difference]: With dead ends: 508 [2024-11-20 07:33:33,026 INFO L226 Difference]: Without dead ends: 340 [2024-11-20 07:33:33,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:33:33,028 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 186 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:33,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 797 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:33:33,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-20 07:33:33,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 258. [2024-11-20 07:33:33,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 169 states have (on average 1.4201183431952662) internal successors, (240), 169 states have internal predecessors, (240), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-20 07:33:33,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 412 transitions. [2024-11-20 07:33:33,060 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 412 transitions. Word has length 286 [2024-11-20 07:33:33,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:33,061 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 412 transitions. [2024-11-20 07:33:33,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:33,061 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 412 transitions. [2024-11-20 07:33:33,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-20 07:33:33,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:33,064 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:33,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 07:33:33,064 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:33,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:33,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1796674101, now seen corresponding path program 1 times [2024-11-20 07:33:33,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:33,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591276960] [2024-11-20 07:33:33,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:33,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:33:33,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:33,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591276960] [2024-11-20 07:33:33,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591276960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:33:33,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:33:33,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:33:33,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29767473] [2024-11-20 07:33:33,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:33:33,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:33:33,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:33,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:33:33,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:33:33,384 INFO L87 Difference]: Start difference. First operand 258 states and 412 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:33,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:33,471 INFO L93 Difference]: Finished difference Result 527 states and 841 transitions. [2024-11-20 07:33:33,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:33:33,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 288 [2024-11-20 07:33:33,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:33,475 INFO L225 Difference]: With dead ends: 527 [2024-11-20 07:33:33,475 INFO L226 Difference]: Without dead ends: 359 [2024-11-20 07:33:33,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:33:33,478 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 151 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:33,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 535 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:33:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-20 07:33:33,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 356. [2024-11-20 07:33:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 252 states have (on average 1.4563492063492063) internal successors, (367), 253 states have internal predecessors, (367), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 07:33:33,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 567 transitions. [2024-11-20 07:33:33,524 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 567 transitions. Word has length 288 [2024-11-20 07:33:33,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:33,525 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 567 transitions. [2024-11-20 07:33:33,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:33,525 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 567 transitions. [2024-11-20 07:33:33,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-20 07:33:33,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:33,531 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:33,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 07:33:33,531 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:33,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:33,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1577819383, now seen corresponding path program 1 times [2024-11-20 07:33:33,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:33,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735117089] [2024-11-20 07:33:33,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:33,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:33:42,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:42,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735117089] [2024-11-20 07:33:42,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735117089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:33:42,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:33:42,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 07:33:42,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243973980] [2024-11-20 07:33:42,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:33:42,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 07:33:42,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:42,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 07:33:42,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:33:42,514 INFO L87 Difference]: Start difference. First operand 356 states and 567 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:43,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:43,636 INFO L93 Difference]: Finished difference Result 924 states and 1483 transitions. [2024-11-20 07:33:43,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 07:33:43,637 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 288 [2024-11-20 07:33:43,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:43,643 INFO L225 Difference]: With dead ends: 924 [2024-11-20 07:33:43,643 INFO L226 Difference]: Without dead ends: 658 [2024-11-20 07:33:43,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 07:33:43,645 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 343 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:43,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 1022 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 07:33:43,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-20 07:33:43,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 400. [2024-11-20 07:33:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 296 states have (on average 1.4932432432432432) internal successors, (442), 297 states have internal predecessors, (442), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 07:33:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 642 transitions. [2024-11-20 07:33:43,670 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 642 transitions. Word has length 288 [2024-11-20 07:33:43,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:43,671 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 642 transitions. [2024-11-20 07:33:43,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 642 transitions. [2024-11-20 07:33:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-20 07:33:43,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:43,674 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:43,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 07:33:43,674 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:43,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:43,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1899499463, now seen corresponding path program 1 times [2024-11-20 07:33:43,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:43,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087424086] [2024-11-20 07:33:43,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:43,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:33:44,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:44,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087424086] [2024-11-20 07:33:44,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087424086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:33:44,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:33:44,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:33:44,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828380669] [2024-11-20 07:33:44,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:33:44,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:33:44,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:44,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:33:44,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:33:44,231 INFO L87 Difference]: Start difference. First operand 400 states and 642 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:44,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:44,438 INFO L93 Difference]: Finished difference Result 1100 states and 1752 transitions. [2024-11-20 07:33:44,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:33:44,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 288 [2024-11-20 07:33:44,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:44,443 INFO L225 Difference]: With dead ends: 1100 [2024-11-20 07:33:44,443 INFO L226 Difference]: Without dead ends: 797 [2024-11-20 07:33:44,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:33:44,447 INFO L432 NwaCegarLoop]: 487 mSDtfsCounter, 340 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:44,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 903 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:33:44,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-11-20 07:33:44,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 791. [2024-11-20 07:33:44,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 613 states have (on average 1.495921696574225) internal successors, (917), 617 states have internal predecessors, (917), 169 states have call successors, (169), 8 states have call predecessors, (169), 8 states have return successors, (169), 165 states have call predecessors, (169), 169 states have call successors, (169) [2024-11-20 07:33:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1255 transitions. [2024-11-20 07:33:44,499 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1255 transitions. Word has length 288 [2024-11-20 07:33:44,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:44,500 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1255 transitions. [2024-11-20 07:33:44,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:44,500 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1255 transitions. [2024-11-20 07:33:44,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-20 07:33:44,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:44,505 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:44,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 07:33:44,505 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:44,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:44,506 INFO L85 PathProgramCache]: Analyzing trace with hash 2040048073, now seen corresponding path program 1 times [2024-11-20 07:33:44,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:44,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232894426] [2024-11-20 07:33:44,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:44,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:44,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:33:44,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:44,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232894426] [2024-11-20 07:33:44,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232894426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:33:44,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:33:44,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:33:44,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053360357] [2024-11-20 07:33:44,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:33:44,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:33:44,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:44,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:33:44,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:33:44,682 INFO L87 Difference]: Start difference. First operand 791 states and 1255 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:44,759 INFO L93 Difference]: Finished difference Result 2051 states and 3233 transitions. [2024-11-20 07:33:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:33:44,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 288 [2024-11-20 07:33:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:44,767 INFO L225 Difference]: With dead ends: 2051 [2024-11-20 07:33:44,768 INFO L226 Difference]: Without dead ends: 1361 [2024-11-20 07:33:44,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:33:44,771 INFO L432 NwaCegarLoop]: 435 mSDtfsCounter, 239 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:44,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 687 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:33:44,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2024-11-20 07:33:44,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 921. [2024-11-20 07:33:44,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 743 states have (on average 1.5141318977119784) internal successors, (1125), 747 states have internal predecessors, (1125), 169 states have call successors, (169), 8 states have call predecessors, (169), 8 states have return successors, (169), 165 states have call predecessors, (169), 169 states have call successors, (169) [2024-11-20 07:33:44,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1463 transitions. [2024-11-20 07:33:44,848 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1463 transitions. Word has length 288 [2024-11-20 07:33:44,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:44,849 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1463 transitions. [2024-11-20 07:33:44,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:44,850 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1463 transitions. [2024-11-20 07:33:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-20 07:33:44,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:44,853 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:44,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 07:33:44,853 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:44,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:44,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1595387701, now seen corresponding path program 1 times [2024-11-20 07:33:44,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:44,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584046398] [2024-11-20 07:33:44,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:44,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:33:45,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:45,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584046398] [2024-11-20 07:33:45,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584046398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:33:45,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:33:45,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:33:45,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025152090] [2024-11-20 07:33:45,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:33:45,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:33:45,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:45,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:33:45,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:33:45,261 INFO L87 Difference]: Start difference. First operand 921 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:45,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:45,322 INFO L93 Difference]: Finished difference Result 2463 states and 3921 transitions. [2024-11-20 07:33:45,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:33:45,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 288 [2024-11-20 07:33:45,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:45,329 INFO L225 Difference]: With dead ends: 2463 [2024-11-20 07:33:45,329 INFO L226 Difference]: Without dead ends: 1649 [2024-11-20 07:33:45,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:33:45,331 INFO L432 NwaCegarLoop]: 372 mSDtfsCounter, 164 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:45,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 635 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:33:45,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2024-11-20 07:33:45,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1605. [2024-11-20 07:33:45,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1295 states have (on average 1.5127413127413127) internal successors, (1959), 1303 states have internal predecessors, (1959), 295 states have call successors, (295), 14 states have call predecessors, (295), 14 states have return successors, (295), 287 states have call predecessors, (295), 295 states have call successors, (295) [2024-11-20 07:33:45,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2549 transitions. [2024-11-20 07:33:45,406 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2549 transitions. Word has length 288 [2024-11-20 07:33:45,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:45,406 INFO L471 AbstractCegarLoop]: Abstraction has 1605 states and 2549 transitions. [2024-11-20 07:33:45,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2549 transitions. [2024-11-20 07:33:45,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-20 07:33:45,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:45,409 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:45,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 07:33:45,410 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:45,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:45,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1680434438, now seen corresponding path program 1 times [2024-11-20 07:33:45,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:45,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932660067] [2024-11-20 07:33:45,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:45,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 105 proven. 21 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:33:46,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:46,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932660067] [2024-11-20 07:33:46,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932660067] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:33:46,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275149742] [2024-11-20 07:33:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:46,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:33:46,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:33:46,803 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) [2024-11-20 07:33:46,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 07:33:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:46,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 07:33:46,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:33:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1638 proven. 84 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2024-11-20 07:33:47,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:33:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 42 proven. 84 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:33:47,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275149742] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:33:47,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:33:47,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2024-11-20 07:33:47,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142667603] [2024-11-20 07:33:47,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:33:47,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 07:33:47,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:47,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 07:33:47,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-20 07:33:47,711 INFO L87 Difference]: Start difference. First operand 1605 states and 2549 transitions. Second operand has 12 states, 12 states have (on average 14.583333333333334) internal successors, (175), 12 states have internal predecessors, (175), 5 states have call successors, (114), 2 states have call predecessors, (114), 4 states have return successors, (115), 5 states have call predecessors, (115), 5 states have call successors, (115) [2024-11-20 07:33:48,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:48,974 INFO L93 Difference]: Finished difference Result 3273 states and 5164 transitions. [2024-11-20 07:33:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-20 07:33:48,975 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.583333333333334) internal successors, (175), 12 states have internal predecessors, (175), 5 states have call successors, (114), 2 states have call predecessors, (114), 4 states have return successors, (115), 5 states have call predecessors, (115), 5 states have call successors, (115) Word has length 289 [2024-11-20 07:33:48,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:48,984 INFO L225 Difference]: With dead ends: 3273 [2024-11-20 07:33:48,984 INFO L226 Difference]: Without dead ends: 1757 [2024-11-20 07:33:48,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 664 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=338, Invalid=852, Unknown=0, NotChecked=0, Total=1190 [2024-11-20 07:33:48,989 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 1533 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:48,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 1437 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 07:33:48,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2024-11-20 07:33:49,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1489. [2024-11-20 07:33:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1489 states, 1165 states have (on average 1.4429184549356222) internal successors, (1681), 1170 states have internal predecessors, (1681), 301 states have call successors, (301), 22 states have call predecessors, (301), 22 states have return successors, (301), 296 states have call predecessors, (301), 301 states have call successors, (301) [2024-11-20 07:33:49,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 2283 transitions. [2024-11-20 07:33:49,072 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 2283 transitions. Word has length 289 [2024-11-20 07:33:49,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:49,073 INFO L471 AbstractCegarLoop]: Abstraction has 1489 states and 2283 transitions. [2024-11-20 07:33:49,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.583333333333334) internal successors, (175), 12 states have internal predecessors, (175), 5 states have call successors, (114), 2 states have call predecessors, (114), 4 states have return successors, (115), 5 states have call predecessors, (115), 5 states have call successors, (115) [2024-11-20 07:33:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2283 transitions. [2024-11-20 07:33:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-20 07:33:49,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:49,077 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:49,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 07:33:49,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:33:49,278 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:49,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:49,278 INFO L85 PathProgramCache]: Analyzing trace with hash 53460065, now seen corresponding path program 1 times [2024-11-20 07:33:49,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:49,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528496549] [2024-11-20 07:33:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:49,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 27 proven. 99 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:33:49,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:49,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528496549] [2024-11-20 07:33:49,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528496549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:33:49,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281142910] [2024-11-20 07:33:49,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:49,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:33:49,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:33:49,925 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) [2024-11-20 07:33:49,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 07:33:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:50,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 07:33:50,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:33:50,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1248 proven. 99 refuted. 0 times theorem prover too weak. 2265 trivial. 0 not checked. [2024-11-20 07:33:50,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:33:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 27 proven. 99 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:33:50,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281142910] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:33:50,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:33:50,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2024-11-20 07:33:50,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310148980] [2024-11-20 07:33:50,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:33:50,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 07:33:50,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:50,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 07:33:50,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-20 07:33:50,707 INFO L87 Difference]: Start difference. First operand 1489 states and 2283 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 2 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-11-20 07:33:51,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:51,123 INFO L93 Difference]: Finished difference Result 3032 states and 4579 transitions. [2024-11-20 07:33:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 07:33:51,124 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 2 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 290 [2024-11-20 07:33:51,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:51,132 INFO L225 Difference]: With dead ends: 3032 [2024-11-20 07:33:51,132 INFO L226 Difference]: Without dead ends: 1664 [2024-11-20 07:33:51,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 659 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-20 07:33:51,136 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 412 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:51,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1044 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:33:51,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2024-11-20 07:33:51,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1609. [2024-11-20 07:33:51,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1254 states have (on average 1.393939393939394) internal successors, (1748), 1261 states have internal predecessors, (1748), 317 states have call successors, (317), 37 states have call predecessors, (317), 37 states have return successors, (317), 310 states have call predecessors, (317), 317 states have call successors, (317) [2024-11-20 07:33:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 2382 transitions. [2024-11-20 07:33:51,248 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 2382 transitions. Word has length 290 [2024-11-20 07:33:51,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:51,249 INFO L471 AbstractCegarLoop]: Abstraction has 1609 states and 2382 transitions. [2024-11-20 07:33:51,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 2 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-11-20 07:33:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2382 transitions. [2024-11-20 07:33:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-20 07:33:51,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:51,251 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:51,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 07:33:51,451 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,SelfDestructingSolverStorable8 [2024-11-20 07:33:51,452 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:51,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:51,452 INFO L85 PathProgramCache]: Analyzing trace with hash -188584981, now seen corresponding path program 1 times [2024-11-20 07:33:51,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:51,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744813113] [2024-11-20 07:33:51,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:51,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:33:51,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:51,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744813113] [2024-11-20 07:33:51,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744813113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:33:51,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997965451] [2024-11-20 07:33:51,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:51,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:33:51,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:33:51,908 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) [2024-11-20 07:33:51,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 07:33:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:52,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 07:33:52,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:33:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1758 proven. 48 refuted. 0 times theorem prover too weak. 1806 trivial. 0 not checked. [2024-11-20 07:33:52,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:33:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:33:52,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997965451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:33:52,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:33:52,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-20 07:33:52,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675049198] [2024-11-20 07:33:52,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:33:52,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 07:33:52,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:52,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 07:33:52,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-20 07:33:52,455 INFO L87 Difference]: Start difference. First operand 1609 states and 2382 transitions. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 4 states have call successors, (95), 2 states have call predecessors, (95), 4 states have return successors, (97), 4 states have call predecessors, (97), 4 states have call successors, (97) [2024-11-20 07:33:52,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:52,866 INFO L93 Difference]: Finished difference Result 2523 states and 3705 transitions. [2024-11-20 07:33:52,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 07:33:52,867 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 4 states have call successors, (95), 2 states have call predecessors, (95), 4 states have return successors, (97), 4 states have call predecessors, (97), 4 states have call successors, (97) Word has length 290 [2024-11-20 07:33:52,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:52,872 INFO L225 Difference]: With dead ends: 2523 [2024-11-20 07:33:52,872 INFO L226 Difference]: Without dead ends: 1043 [2024-11-20 07:33:52,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 677 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-11-20 07:33:52,876 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 564 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:52,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 506 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:33:52,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2024-11-20 07:33:52,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1018. [2024-11-20 07:33:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 795 states have (on average 1.3433962264150943) internal successors, (1068), 800 states have internal predecessors, (1068), 189 states have call successors, (189), 33 states have call predecessors, (189), 33 states have return successors, (189), 184 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-20 07:33:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1446 transitions. [2024-11-20 07:33:52,966 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1446 transitions. Word has length 290 [2024-11-20 07:33:52,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:52,967 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1446 transitions. [2024-11-20 07:33:52,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 4 states have call successors, (95), 2 states have call predecessors, (95), 4 states have return successors, (97), 4 states have call predecessors, (97), 4 states have call successors, (97) [2024-11-20 07:33:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1446 transitions. [2024-11-20 07:33:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-20 07:33:52,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:52,969 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:52,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 07:33:53,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:33:53,174 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:53,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:53,176 INFO L85 PathProgramCache]: Analyzing trace with hash -82326730, now seen corresponding path program 1 times [2024-11-20 07:33:53,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:53,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495282144] [2024-11-20 07:33:53,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:53,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:33:53,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:53,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495282144] [2024-11-20 07:33:53,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495282144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:33:53,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:33:53,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:33:53,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693197637] [2024-11-20 07:33:53,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:33:53,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:33:53,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:53,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:33:53,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:33:53,585 INFO L87 Difference]: Start difference. First operand 1018 states and 1446 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, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:53,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:53,967 INFO L93 Difference]: Finished difference Result 3644 states and 5215 transitions. [2024-11-20 07:33:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 07:33:53,968 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, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 292 [2024-11-20 07:33:53,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:53,980 INFO L225 Difference]: With dead ends: 3644 [2024-11-20 07:33:53,980 INFO L226 Difference]: Without dead ends: 2468 [2024-11-20 07:33:53,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:33:53,985 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 949 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 1345 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:53,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 1345 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:33:53,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2468 states. [2024-11-20 07:33:54,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2468 to 1937. [2024-11-20 07:33:54,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1937 states, 1556 states have (on average 1.3688946015424164) internal successors, (2130), 1564 states have internal predecessors, (2130), 323 states have call successors, (323), 57 states have call predecessors, (323), 57 states have return successors, (323), 315 states have call predecessors, (323), 323 states have call successors, (323) [2024-11-20 07:33:54,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 2776 transitions. [2024-11-20 07:33:54,164 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 2776 transitions. Word has length 292 [2024-11-20 07:33:54,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:54,165 INFO L471 AbstractCegarLoop]: Abstraction has 1937 states and 2776 transitions. [2024-11-20 07:33:54,165 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, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2776 transitions. [2024-11-20 07:33:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-20 07:33:54,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:54,168 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:54,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 07:33:54,168 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:54,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:54,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2131714572, now seen corresponding path program 1 times [2024-11-20 07:33:54,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:54,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622796065] [2024-11-20 07:33:54,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:54,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:54,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:33:54,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:54,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622796065] [2024-11-20 07:33:54,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622796065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:33:54,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:33:54,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 07:33:54,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438088355] [2024-11-20 07:33:54,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:33:54,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 07:33:54,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:54,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 07:33:54,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:33:54,861 INFO L87 Difference]: Start difference. First operand 1937 states and 2776 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, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:55,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:55,260 INFO L93 Difference]: Finished difference Result 4639 states and 6628 transitions. [2024-11-20 07:33:55,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 07:33:55,261 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, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 292 [2024-11-20 07:33:55,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:55,271 INFO L225 Difference]: With dead ends: 4639 [2024-11-20 07:33:55,271 INFO L226 Difference]: Without dead ends: 2821 [2024-11-20 07:33:55,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 07:33:55,275 INFO L432 NwaCegarLoop]: 856 mSDtfsCounter, 666 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:55,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 2252 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:33:55,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2821 states. [2024-11-20 07:33:55,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2821 to 2325. [2024-11-20 07:33:55,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 1822 states have (on average 1.3424807903402853) internal successors, (2446), 1834 states have internal predecessors, (2446), 425 states have call successors, (425), 77 states have call predecessors, (425), 77 states have return successors, (425), 413 states have call predecessors, (425), 425 states have call successors, (425) [2024-11-20 07:33:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 3296 transitions. [2024-11-20 07:33:55,408 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 3296 transitions. Word has length 292 [2024-11-20 07:33:55,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:55,409 INFO L471 AbstractCegarLoop]: Abstraction has 2325 states and 3296 transitions. [2024-11-20 07:33:55,409 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, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:33:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 3296 transitions. [2024-11-20 07:33:55,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-20 07:33:55,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:55,411 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:55,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 07:33:55,411 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:55,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:55,412 INFO L85 PathProgramCache]: Analyzing trace with hash -551257789, now seen corresponding path program 1 times [2024-11-20 07:33:55,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:55,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412436347] [2024-11-20 07:33:55,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:55,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:33:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:33:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:33:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:33:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:33:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:33:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:33:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:33:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:33:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:33:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:33:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:33:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:33:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:33:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:33:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:33:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:33:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:33:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:33:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:33:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:33:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:33:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:33:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:33:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:33:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:33:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:33:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:33:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:33:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:33:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:33:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:33:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:33:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:33:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:33:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:33:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:33:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:33:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:33:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:33:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:33:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:33:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:33:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 105 proven. 21 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:33:56,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:33:56,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412436347] [2024-11-20 07:33:56,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412436347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:33:56,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731149112] [2024-11-20 07:33:56,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:56,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:33:56,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:33:56,440 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) [2024-11-20 07:33:56,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 07:33:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:33:56,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 07:33:56,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:33:57,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2201 proven. 138 refuted. 0 times theorem prover too weak. 1273 trivial. 0 not checked. [2024-11-20 07:33:57,192 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:33:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 222 proven. 147 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-11-20 07:33:57,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731149112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:33:57,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:33:57,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 12] total 23 [2024-11-20 07:33:57,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301203858] [2024-11-20 07:33:57,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:33:57,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-20 07:33:57,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:33:57,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-20 07:33:57,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2024-11-20 07:33:57,704 INFO L87 Difference]: Start difference. First operand 2325 states and 3296 transitions. Second operand has 23 states, 23 states have (on average 6.521739130434782) internal successors, (150), 23 states have internal predecessors, (150), 6 states have call successors, (119), 4 states have call predecessors, (119), 10 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-20 07:33:59,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:33:59,163 INFO L93 Difference]: Finished difference Result 3881 states and 5467 transitions. [2024-11-20 07:33:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-20 07:33:59,164 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 6.521739130434782) internal successors, (150), 23 states have internal predecessors, (150), 6 states have call successors, (119), 4 states have call predecessors, (119), 10 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) Word has length 292 [2024-11-20 07:33:59,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:33:59,174 INFO L225 Difference]: With dead ends: 3881 [2024-11-20 07:33:59,174 INFO L226 Difference]: Without dead ends: 2331 [2024-11-20 07:33:59,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 721 GetRequests, 660 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1066 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=955, Invalid=2705, Unknown=0, NotChecked=0, Total=3660 [2024-11-20 07:33:59,180 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 2030 mSDsluCounter, 1269 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 884 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 884 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 07:33:59,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 1544 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [884 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 07:33:59,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2331 states. [2024-11-20 07:33:59,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2331 to 580. [2024-11-20 07:33:59,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 458 states have (on average 1.3231441048034935) internal successors, (606), 460 states have internal predecessors, (606), 100 states have call successors, (100), 21 states have call predecessors, (100), 21 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 07:33:59,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 806 transitions. [2024-11-20 07:33:59,242 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 806 transitions. Word has length 292 [2024-11-20 07:33:59,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:33:59,243 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 806 transitions. [2024-11-20 07:33:59,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.521739130434782) internal successors, (150), 23 states have internal predecessors, (150), 6 states have call successors, (119), 4 states have call predecessors, (119), 10 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-20 07:33:59,243 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 806 transitions. [2024-11-20 07:33:59,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-20 07:33:59,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:33:59,245 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:33:59,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 07:33:59,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:33:59,446 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:33:59,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:33:59,446 INFO L85 PathProgramCache]: Analyzing trace with hash -2073814361, now seen corresponding path program 1 times [2024-11-20 07:33:59,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:33:59,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280419968] [2024-11-20 07:33:59,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:33:59,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:33:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:34:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:34:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:34:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:34:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:34:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:34:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:34:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:34:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:34:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:34:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:34:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:34:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:34:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:34:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:34:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:34:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:34:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:34:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:34:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:34:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:34:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:34:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:34:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:34:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:34:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:34:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:34:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:34:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:34:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:34:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:34:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:34:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:34:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:34:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:34:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:34:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:34:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:34:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:34:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:34:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:34:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:34:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:34:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:34:00,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:34:00,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280419968] [2024-11-20 07:34:00,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280419968] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:34:00,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602413350] [2024-11-20 07:34:00,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:34:00,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:34:00,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:34:00,254 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) [2024-11-20 07:34:00,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 07:34:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:00,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 07:34:00,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:34:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 918 proven. 108 refuted. 0 times theorem prover too weak. 2586 trivial. 0 not checked. [2024-11-20 07:34:01,082 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:34:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:34:01,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602413350] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:34:01,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:34:01,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 17 [2024-11-20 07:34:01,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401803068] [2024-11-20 07:34:01,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:34:01,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 07:34:01,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:34:01,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 07:34:01,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-20 07:34:01,528 INFO L87 Difference]: Start difference. First operand 580 states and 806 transitions. Second operand has 17 states, 17 states have (on average 13.0) internal successors, (221), 17 states have internal predecessors, (221), 5 states have call successors, (122), 3 states have call predecessors, (122), 6 states have return successors, (123), 5 states have call predecessors, (123), 5 states have call successors, (123) [2024-11-20 07:34:02,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:34:02,382 INFO L93 Difference]: Finished difference Result 1091 states and 1513 transitions. [2024-11-20 07:34:02,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-20 07:34:02,383 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 13.0) internal successors, (221), 17 states have internal predecessors, (221), 5 states have call successors, (122), 3 states have call predecessors, (122), 6 states have return successors, (123), 5 states have call predecessors, (123), 5 states have call successors, (123) Word has length 293 [2024-11-20 07:34:02,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:34:02,387 INFO L225 Difference]: With dead ends: 1091 [2024-11-20 07:34:02,387 INFO L226 Difference]: Without dead ends: 647 [2024-11-20 07:34:02,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 665 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2024-11-20 07:34:02,389 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 1123 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1130 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 07:34:02,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1130 Valid, 1327 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 07:34:02,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-20 07:34:02,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 528. [2024-11-20 07:34:02,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 406 states have (on average 1.3029556650246306) internal successors, (529), 408 states have internal predecessors, (529), 100 states have call successors, (100), 21 states have call predecessors, (100), 21 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 07:34:02,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 729 transitions. [2024-11-20 07:34:02,442 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 729 transitions. Word has length 293 [2024-11-20 07:34:02,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:34:02,442 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 729 transitions. [2024-11-20 07:34:02,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 13.0) internal successors, (221), 17 states have internal predecessors, (221), 5 states have call successors, (122), 3 states have call predecessors, (122), 6 states have return successors, (123), 5 states have call predecessors, (123), 5 states have call successors, (123) [2024-11-20 07:34:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 729 transitions. [2024-11-20 07:34:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-20 07:34:02,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:34:02,465 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:34:02,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 07:34:02,665 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,SelfDestructingSolverStorable13 [2024-11-20 07:34:02,666 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:34:02,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:34:02,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1796431419, now seen corresponding path program 1 times [2024-11-20 07:34:02,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:34:02,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964517375] [2024-11-20 07:34:02,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:34:02,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:34:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:34:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 07:34:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 07:34:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 07:34:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 07:34:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 07:34:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 07:34:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 07:34:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 07:34:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 07:34:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 07:34:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 07:34:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 07:34:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 07:34:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 07:34:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 07:34:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 07:34:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 07:34:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 07:34:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 07:34:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:13,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 07:34:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 07:34:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 07:34:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:34:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 07:34:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:34:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:34:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:34:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:34:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 07:34:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 07:34:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 07:34:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 07:34:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 07:34:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 07:34:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:34:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:34:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:34:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:34:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:34:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:34:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:34:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:34:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 87 proven. 159 refuted. 0 times theorem prover too weak. 3366 trivial. 0 not checked. [2024-11-20 07:34:14,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:34:14,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964517375] [2024-11-20 07:34:14,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964517375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:34:14,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889430563] [2024-11-20 07:34:14,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:34:14,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:34:14,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:34:14,447 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) [2024-11-20 07:34:14,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 07:34:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:34:14,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-20 07:34:14,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:34:21,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2447 proven. 294 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2024-11-20 07:34:21,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:34:42,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889430563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:34:42,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 07:34:42,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21] total 31 [2024-11-20 07:34:42,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959473012] [2024-11-20 07:34:42,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 07:34:42,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-20 07:34:42,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:34:42,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-20 07:34:42,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=1174, Unknown=0, NotChecked=0, Total=1482 [2024-11-20 07:34:42,399 INFO L87 Difference]: Start difference. First operand 528 states and 729 transitions. Second operand has 31 states, 31 states have (on average 5.161290322580645) internal successors, (160), 30 states have internal predecessors, (160), 10 states have call successors, (86), 7 states have call predecessors, (86), 12 states have return successors, (86), 10 states have call predecessors, (86), 10 states have call successors, (86) [2024-11-20 07:34:44,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-20 07:34:49,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]