./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-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-16.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 8e52341f27f00c0c2ceedafaab379711ebb86ba8e7b8a717254138078fb8d030 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 05:03:30,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 05:03:30,601 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 05:03:30,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 05:03:30,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 05:03:30,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 05:03:30,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 05:03:30,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 05:03:30,632 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 05:03:30,633 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 05:03:30,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 05:03:30,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 05:03:30,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 05:03:30,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 05:03:30,636 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 05:03:30,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 05:03:30,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 05:03:30,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 05:03:30,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 05:03:30,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 05:03:30,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 05:03:30,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 05:03:30,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 05:03:30,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 05:03:30,641 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 05:03:30,641 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 05:03:30,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 05:03:30,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 05:03:30,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 05:03:30,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 05:03:30,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 05:03:30,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 05:03:30,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:03:30,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 05:03:30,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 05:03:30,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 05:03:30,642 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 05:03:30,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 05:03:30,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 05:03:30,643 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 05:03:30,643 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 05:03:30,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 05:03:30,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e52341f27f00c0c2ceedafaab379711ebb86ba8e7b8a717254138078fb8d030 [2024-10-13 05:03:30,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 05:03:30,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 05:03:30,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 05:03:30,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 05:03:30,907 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 05:03:30,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-16.i [2024-10-13 05:03:32,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 05:03:32,666 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 05:03:32,667 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-16.i [2024-10-13 05:03:32,681 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b8d0a1d/42ddae1e9a9d45158760c79823bdd8e0/FLAG25fce8b90 [2024-10-13 05:03:32,987 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b8d0a1d/42ddae1e9a9d45158760c79823bdd8e0 [2024-10-13 05:03:32,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 05:03:32,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 05:03:32,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 05:03:32,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 05:03:32,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 05:03:32,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:03:32" (1/1) ... [2024-10-13 05:03:32,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d08f0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32, skipping insertion in model container [2024-10-13 05:03:32,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:03:32" (1/1) ... [2024-10-13 05:03:33,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 05:03:33,185 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-16.i[916,929] [2024-10-13 05:03:33,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:03:33,303 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 05:03:33,313 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-16.i[916,929] [2024-10-13 05:03:33,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:03:33,386 INFO L204 MainTranslator]: Completed translation [2024-10-13 05:03:33,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33 WrapperNode [2024-10-13 05:03:33,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 05:03:33,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 05:03:33,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 05:03:33,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 05:03:33,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,565 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 428 [2024-10-13 05:03:33,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 05:03:33,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 05:03:33,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 05:03:33,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 05:03:33,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,632 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 05:03:33,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 05:03:33,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 05:03:33,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 05:03:33,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 05:03:33,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (1/1) ... [2024-10-13 05:03:33,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:03:33,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:03:33,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 05:03:33,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 05:03:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 05:03:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 05:03:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 05:03:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 05:03:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 05:03:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 05:03:34,004 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 05:03:34,006 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 05:03:34,530 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-13 05:03:34,530 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 05:03:34,600 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 05:03:34,600 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 05:03:34,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:03:34 BoogieIcfgContainer [2024-10-13 05:03:34,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 05:03:34,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 05:03:34,604 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 05:03:34,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 05:03:34,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:03:32" (1/3) ... [2024-10-13 05:03:34,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110714c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:03:34, skipping insertion in model container [2024-10-13 05:03:34,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:33" (2/3) ... [2024-10-13 05:03:34,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110714c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:03:34, skipping insertion in model container [2024-10-13 05:03:34,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:03:34" (3/3) ... [2024-10-13 05:03:34,610 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-16.i [2024-10-13 05:03:34,623 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 05:03:34,623 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 05:03:34,730 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 05:03:34,740 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;@7187950b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 05:03:34,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 05:03:34,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 111 states have (on average 1.5225225225225225) internal successors, (169), 112 states have internal predecessors, (169), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 05:03:34,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-10-13 05:03:34,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:03:34,762 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:03:34,763 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:03:34,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:03:34,769 INFO L85 PathProgramCache]: Analyzing trace with hash 479718339, now seen corresponding path program 1 times [2024-10-13 05:03:34,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:03:34,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810022161] [2024-10-13 05:03:34,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:03:34,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:03:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:03:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:03:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:03:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:03:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:03:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:03:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:03:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:03:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:03:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:03:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:03:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:03:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:03:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:03:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:03:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 05:03:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:03:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:03:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:03:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:03:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 05:03:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:03:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:03:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:03:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 05:03:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:03:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:03:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:03:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:03:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:03:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:03:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:03:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:03:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:03:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:03:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:03:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:03:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:03:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 05:03:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:03:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 05:03:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:03:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 05:03:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:03:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 05:03:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:03:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:03:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:03:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:03:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 05:03:35,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:03:35,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810022161] [2024-10-13 05:03:35,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810022161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:03:35,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:03:35,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 05:03:35,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989510695] [2024-10-13 05:03:35,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:03:35,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 05:03:35,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:03:35,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 05:03:35,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:03:35,311 INFO L87 Difference]: Start difference. First operand has 163 states, 111 states have (on average 1.5225225225225225) internal successors, (169), 112 states have internal predecessors, (169), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-13 05:03:35,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:03:35,375 INFO L93 Difference]: Finished difference Result 323 states and 581 transitions. [2024-10-13 05:03:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 05:03:35,378 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) Word has length 317 [2024-10-13 05:03:35,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:03:35,386 INFO L225 Difference]: With dead ends: 323 [2024-10-13 05:03:35,386 INFO L226 Difference]: Without dead ends: 161 [2024-10-13 05:03:35,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:03:35,391 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:03:35,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 258 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:03:35,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-10-13 05:03:35,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-10-13 05:03:35,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 110 states have (on average 1.481818181818182) internal successors, (163), 110 states have internal predecessors, (163), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 05:03:35,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 261 transitions. [2024-10-13 05:03:35,436 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 261 transitions. Word has length 317 [2024-10-13 05:03:35,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:03:35,437 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 261 transitions. [2024-10-13 05:03:35,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-13 05:03:35,437 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 261 transitions. [2024-10-13 05:03:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-10-13 05:03:35,442 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:03:35,442 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:03:35,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 05:03:35,443 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:03:35,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:03:35,443 INFO L85 PathProgramCache]: Analyzing trace with hash 216042053, now seen corresponding path program 1 times [2024-10-13 05:03:35,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:03:35,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953982253] [2024-10-13 05:03:35,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:03:35,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:03:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:03:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:03:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:03:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:03:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:03:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:03:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:03:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:03:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:03:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:03:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:03:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:03:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:03:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:03:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:03:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 05:03:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:03:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:03:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:03:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:03:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 05:03:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:03:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:03:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:03:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 05:03:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:03:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:03:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:03:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:03:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:03:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:03:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:03:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:03:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:03:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:03:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:03:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:03:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:03:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 05:03:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:03:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 05:03:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:03:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 05:03:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:03:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 05:03:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:03:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:03:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:03:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:03:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 05:03:35,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:03:35,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953982253] [2024-10-13 05:03:35,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953982253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:03:35,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:03:35,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:03:35,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736711909] [2024-10-13 05:03:35,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:03:35,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:03:35,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:03:35,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:03:35,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:03:35,848 INFO L87 Difference]: Start difference. First operand 161 states and 261 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 05:03:35,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:03:35,941 INFO L93 Difference]: Finished difference Result 468 states and 758 transitions. [2024-10-13 05:03:35,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:03:35,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 317 [2024-10-13 05:03:35,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:03:35,949 INFO L225 Difference]: With dead ends: 468 [2024-10-13 05:03:35,949 INFO L226 Difference]: Without dead ends: 308 [2024-10-13 05:03:35,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:03:35,954 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 220 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:03:35,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 692 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:03:35,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-13 05:03:35,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 185. [2024-10-13 05:03:35,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 134 states have (on average 1.5149253731343284) internal successors, (203), 134 states have internal predecessors, (203), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 05:03:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 301 transitions. [2024-10-13 05:03:35,983 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 301 transitions. Word has length 317 [2024-10-13 05:03:35,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:03:35,987 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 301 transitions. [2024-10-13 05:03:35,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 05:03:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 301 transitions. [2024-10-13 05:03:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-10-13 05:03:35,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:03:35,994 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:03:35,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 05:03:35,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:03:35,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:03:35,995 INFO L85 PathProgramCache]: Analyzing trace with hash 238674307, now seen corresponding path program 1 times [2024-10-13 05:03:35,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:03:35,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528077054] [2024-10-13 05:03:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:03:35,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:03:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:03:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:03:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:03:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:03:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:03:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:03:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:03:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:03:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:03:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:03:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:03:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:03:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:03:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:03:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:03:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 05:03:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:03:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:03:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:03:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:03:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 05:03:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:03:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:03:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:03:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 05:03:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:03:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:03:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:03:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:03:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:03:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:03:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:03:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:03:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:03:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:03:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:03:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:03:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:03:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 05:03:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:03:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 05:03:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:03:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 05:03:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:03:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 05:03:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:03:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:03:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:03:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:03:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 05:03:36,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:03:36,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528077054] [2024-10-13 05:03:36,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528077054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:03:36,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:03:36,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:03:36,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195528461] [2024-10-13 05:03:36,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:03:36,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:03:36,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:03:36,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:03:36,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:03:36,669 INFO L87 Difference]: Start difference. First operand 185 states and 301 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 05:03:36,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:03:36,898 INFO L93 Difference]: Finished difference Result 652 states and 1065 transitions. [2024-10-13 05:03:36,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:03:36,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 317 [2024-10-13 05:03:36,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:03:36,901 INFO L225 Difference]: With dead ends: 652 [2024-10-13 05:03:36,901 INFO L226 Difference]: Without dead ends: 468 [2024-10-13 05:03:36,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:03:36,903 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 284 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 05:03:36,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 871 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 05:03:36,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-10-13 05:03:36,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 375. [2024-10-13 05:03:36,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 274 states have (on average 1.5182481751824817) internal successors, (416), 274 states have internal predecessors, (416), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-13 05:03:36,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 612 transitions. [2024-10-13 05:03:36,930 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 612 transitions. Word has length 317 [2024-10-13 05:03:36,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:03:36,931 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 612 transitions. [2024-10-13 05:03:36,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 05:03:36,931 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 612 transitions. [2024-10-13 05:03:36,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-10-13 05:03:36,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:03:36,934 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:03:36,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 05:03:36,934 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:03:36,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:03:36,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2093394724, now seen corresponding path program 1 times [2024-10-13 05:03:36,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:03:36,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358658403] [2024-10-13 05:03:36,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:03:36,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:03:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:03:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:03:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:03:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:03:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:03:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:03:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:03:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:03:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:03:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:03:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:03:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:03:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:03:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:03:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:03:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 05:03:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:03:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:03:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:03:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:03:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 05:03:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:03:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:03:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:03:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 05:03:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:03:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:03:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:03:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:03:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:03:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:03:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:03:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:03:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:03:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:03:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:03:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:03:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:03:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 05:03:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:03:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 05:03:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:03:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 05:03:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:03:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 05:03:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:03:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:03:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:03:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:03:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 05:03:37,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:03:37,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358658403] [2024-10-13 05:03:37,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358658403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:03:37,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:03:37,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:03:37,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147453428] [2024-10-13 05:03:37,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:03:37,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:03:37,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:03:37,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:03:37,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:03:37,428 INFO L87 Difference]: Start difference. First operand 375 states and 612 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, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 05:03:37,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:03:37,475 INFO L93 Difference]: Finished difference Result 1123 states and 1834 transitions. [2024-10-13 05:03:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:03:37,476 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, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 318 [2024-10-13 05:03:37,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:03:37,481 INFO L225 Difference]: With dead ends: 1123 [2024-10-13 05:03:37,481 INFO L226 Difference]: Without dead ends: 749 [2024-10-13 05:03:37,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:03:37,483 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 157 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:03:37,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 510 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:03:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-10-13 05:03:37,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 747. [2024-10-13 05:03:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 546 states have (on average 1.5128205128205128) internal successors, (826), 546 states have internal predecessors, (826), 196 states have call successors, (196), 4 states have call predecessors, (196), 4 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-10-13 05:03:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1218 transitions. [2024-10-13 05:03:37,540 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1218 transitions. Word has length 318 [2024-10-13 05:03:37,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:03:37,541 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1218 transitions. [2024-10-13 05:03:37,541 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, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 05:03:37,541 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1218 transitions. [2024-10-13 05:03:37,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-10-13 05:03:37,544 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:03:37,544 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:03:37,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 05:03:37,545 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:03:37,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:03:37,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1383924122, now seen corresponding path program 1 times [2024-10-13 05:03:37,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:03:37,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276712984] [2024-10-13 05:03:37,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:03:37,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:03:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:03:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:03:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:03:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:03:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:03:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:03:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:03:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:03:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:03:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:03:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:03:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:03:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:03:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:03:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:03:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 05:03:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:03:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:03:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:03:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:03:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 05:03:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:03:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:03:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:03:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 05:03:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:03:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:03:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:03:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:03:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:03:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:03:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:03:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:03:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:03:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:03:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:03:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:03:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:03:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 05:03:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:03:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 05:03:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:03:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 05:03:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:03:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 05:03:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:03:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:03:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:03:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:03:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:38,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 05:03:38,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:03:38,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276712984] [2024-10-13 05:03:38,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276712984] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:03:38,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:03:38,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 05:03:38,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582449083] [2024-10-13 05:03:38,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:03:38,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 05:03:38,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:03:38,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 05:03:38,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:03:38,660 INFO L87 Difference]: Start difference. First operand 747 states and 1218 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 05:03:39,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:03:39,189 INFO L93 Difference]: Finished difference Result 1915 states and 3122 transitions. [2024-10-13 05:03:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 05:03:39,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 318 [2024-10-13 05:03:39,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:03:39,200 INFO L225 Difference]: With dead ends: 1915 [2024-10-13 05:03:39,201 INFO L226 Difference]: Without dead ends: 1169 [2024-10-13 05:03:39,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 05:03:39,206 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 185 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 05:03:39,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 834 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 05:03:39,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-10-13 05:03:39,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1143. [2024-10-13 05:03:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 892 states have (on average 1.545964125560538) internal successors, (1379), 892 states have internal predecessors, (1379), 245 states have call successors, (245), 5 states have call predecessors, (245), 5 states have return successors, (245), 245 states have call predecessors, (245), 245 states have call successors, (245) [2024-10-13 05:03:39,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1869 transitions. [2024-10-13 05:03:39,292 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1869 transitions. Word has length 318 [2024-10-13 05:03:39,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:03:39,293 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1869 transitions. [2024-10-13 05:03:39,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 05:03:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1869 transitions. [2024-10-13 05:03:39,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-10-13 05:03:39,297 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:03:39,297 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:03:39,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 05:03:39,298 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:03:39,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:03:39,298 INFO L85 PathProgramCache]: Analyzing trace with hash 539918620, now seen corresponding path program 1 times [2024-10-13 05:03:39,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:03:39,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137025494] [2024-10-13 05:03:39,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:03:39,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:03:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:03:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:03:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:03:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:03:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:03:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:03:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:03:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:03:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:03:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:03:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:03:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:03:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:03:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:03:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:03:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 05:03:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:03:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:03:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:03:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:03:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 05:03:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:03:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:03:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:03:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 05:03:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:03:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:03:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:03:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:03:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:03:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:03:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:03:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:03:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:03:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:03:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:03:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:03:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:03:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 05:03:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:03:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 05:03:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:03:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 05:03:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:03:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 05:03:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:03:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:03:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:03:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:03:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 05:03:40,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:03:40,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137025494] [2024-10-13 05:03:40,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137025494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:03:40,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:03:40,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:03:40,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913066730] [2024-10-13 05:03:40,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:03:40,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:03:40,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:03:40,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:03:40,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:03:40,107 INFO L87 Difference]: Start difference. First operand 1143 states and 1869 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, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 05:03:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:03:40,442 INFO L93 Difference]: Finished difference Result 3607 states and 5902 transitions. [2024-10-13 05:03:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:03:40,442 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, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 318 [2024-10-13 05:03:40,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:03:40,453 INFO L225 Difference]: With dead ends: 3607 [2024-10-13 05:03:40,453 INFO L226 Difference]: Without dead ends: 2557 [2024-10-13 05:03:40,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:03:40,457 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 348 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 05:03:40,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 799 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 05:03:40,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2024-10-13 05:03:40,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2185. [2024-10-13 05:03:40,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2185 states, 1734 states have (on average 1.5449826989619377) internal successors, (2679), 1734 states have internal predecessors, (2679), 441 states have call successors, (441), 9 states have call predecessors, (441), 9 states have return successors, (441), 441 states have call predecessors, (441), 441 states have call successors, (441) [2024-10-13 05:03:40,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 3561 transitions. [2024-10-13 05:03:40,612 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 3561 transitions. Word has length 318 [2024-10-13 05:03:40,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:03:40,613 INFO L471 AbstractCegarLoop]: Abstraction has 2185 states and 3561 transitions. [2024-10-13 05:03:40,613 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, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 05:03:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 3561 transitions. [2024-10-13 05:03:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-10-13 05:03:40,616 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:03:40,616 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:03:40,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 05:03:40,616 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:03:40,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:03:40,617 INFO L85 PathProgramCache]: Analyzing trace with hash -527425787, now seen corresponding path program 1 times [2024-10-13 05:03:40,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:03:40,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123578573] [2024-10-13 05:03:40,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:03:40,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:03:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:03:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:03:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:03:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:03:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:03:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:03:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:03:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:03:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:03:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:03:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:03:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:03:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:03:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:03:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:03:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 05:03:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:03:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:03:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:03:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:03:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 05:03:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:03:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:03:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:03:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 05:03:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:03:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:03:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:41,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:03:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:03:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:03:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:03:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:03:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:03:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:03:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:03:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:03:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:03:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:03:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 05:03:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:03:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 05:03:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:03:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 05:03:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:03:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 05:03:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:03:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 05:03:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 05:03:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 05:03:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-13 05:03:42,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:03:42,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123578573] [2024-10-13 05:03:42,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123578573] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:03:42,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665618749] [2024-10-13 05:03:42,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:03:42,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:03:42,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:03:42,138 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) [2024-10-13 05:03:42,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 05:03:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:03:42,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-13 05:03:42,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:03:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 3424 proven. 450 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2024-10-13 05:03:45,281 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:03:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 324 proven. 495 refuted. 0 times theorem prover too weak. 3885 trivial. 0 not checked. [2024-10-13 05:03:51,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665618749] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:03:51,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:03:51,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 22, 28] total 55 [2024-10-13 05:03:51,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072027236] [2024-10-13 05:03:51,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:03:51,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-10-13 05:03:51,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:03:51,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-10-13 05:03:51,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=2347, Unknown=0, NotChecked=0, Total=2970 [2024-10-13 05:03:51,220 INFO L87 Difference]: Start difference. First operand 2185 states and 3561 transitions. Second operand has 55 states, 55 states have (on average 4.163636363636364) internal successors, (229), 55 states have internal predecessors, (229), 16 states have call successors, (147), 8 states have call predecessors, (147), 20 states have return successors, (147), 16 states have call predecessors, (147), 16 states have call successors, (147) [2024-10-13 05:04:48,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:04:48,787 INFO L93 Difference]: Finished difference Result 45208 states and 69686 transitions. [2024-10-13 05:04:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 506 states. [2024-10-13 05:04:48,789 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 4.163636363636364) internal successors, (229), 55 states have internal predecessors, (229), 16 states have call successors, (147), 8 states have call predecessors, (147), 20 states have return successors, (147), 16 states have call predecessors, (147), 16 states have call successors, (147) Word has length 319 [2024-10-13 05:04:48,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:04:48,948 INFO L225 Difference]: With dead ends: 45208 [2024-10-13 05:04:48,948 INFO L226 Difference]: Without dead ends: 43198 [2024-10-13 05:04:49,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1330 GetRequests, 777 SyntacticMatches, 0 SemanticMatches, 553 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141613 ImplicationChecksByTransitivity, 37.8s TimeCoverageRelationStatistics Valid=36829, Invalid=270641, Unknown=0, NotChecked=0, Total=307470 [2024-10-13 05:04:49,002 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 13965 mSDsluCounter, 8867 mSDsCounter, 0 mSdLazyCounter, 16178 mSolverCounterSat, 4930 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13965 SdHoareTripleChecker+Valid, 9458 SdHoareTripleChecker+Invalid, 21108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4930 IncrementalHoareTripleChecker+Valid, 16178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2024-10-13 05:04:49,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13965 Valid, 9458 Invalid, 21108 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4930 Valid, 16178 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2024-10-13 05:04:49,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43198 states. [2024-10-13 05:04:51,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43198 to 23674. [2024-10-13 05:04:51,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23674 states, 19523 states have (on average 1.5128310198227732) internal successors, (29535), 19619 states have internal predecessors, (29535), 3597 states have call successors, (3597), 553 states have call predecessors, (3597), 553 states have return successors, (3597), 3501 states have call predecessors, (3597), 3597 states have call successors, (3597) [2024-10-13 05:04:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23674 states to 23674 states and 36729 transitions. [2024-10-13 05:04:52,072 INFO L78 Accepts]: Start accepts. Automaton has 23674 states and 36729 transitions. Word has length 319 [2024-10-13 05:04:52,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:04:52,074 INFO L471 AbstractCegarLoop]: Abstraction has 23674 states and 36729 transitions. [2024-10-13 05:04:52,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.163636363636364) internal successors, (229), 55 states have internal predecessors, (229), 16 states have call successors, (147), 8 states have call predecessors, (147), 20 states have return successors, (147), 16 states have call predecessors, (147), 16 states have call successors, (147) [2024-10-13 05:04:52,078 INFO L276 IsEmpty]: Start isEmpty. Operand 23674 states and 36729 transitions. [2024-10-13 05:04:52,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-10-13 05:04:52,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:04:52,092 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:04:52,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 05:04:52,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:04:52,298 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:04:52,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:04:52,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1362779451, now seen corresponding path program 1 times [2024-10-13 05:04:52,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:04:52,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488878870] [2024-10-13 05:04:52,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:04:52,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:04:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat