./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_amount100_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 36737b7958ca72f0774fc0f7ccab03861500afa24766b605f5269ead47c0b677 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:08:14,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:08:14,874 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 12:08:14,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:08:14,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:08:14,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:08:14,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:08:14,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:08:14,935 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:08:14,936 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:08:14,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:08:14,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:08:14,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:08:14,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:08:14,940 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:08:14,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:08:14,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:08:14,941 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:08:14,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 12:08:14,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:08:14,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:08:14,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:08:14,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:08:14,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:08:14,947 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:08:14,947 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:08:14,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:08:14,948 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:08:14,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:08:14,948 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:08:14,949 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:08:14,949 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:08:14,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:08:14,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:08:14,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:08:14,950 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:08:14,950 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 12:08:14,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 12:08:14,951 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:08:14,951 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:08:14,951 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:08:14,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:08:14,953 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36737b7958ca72f0774fc0f7ccab03861500afa24766b605f5269ead47c0b677 [2024-10-11 12:08:15,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:08:15,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:08:15,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:08:15,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:08:15,276 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:08:15,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.i [2024-10-11 12:08:16,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:08:17,090 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:08:17,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.i [2024-10-11 12:08:17,106 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ddb7fdf7f/e5f0250e513145beb621acc1a7c6e456/FLAG9546d7844 [2024-10-11 12:08:17,409 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ddb7fdf7f/e5f0250e513145beb621acc1a7c6e456 [2024-10-11 12:08:17,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:08:17,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:08:17,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:08:17,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:08:17,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:08:17,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:17,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76410055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17, skipping insertion in model container [2024-10-11 12:08:17,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:17,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:08:17,643 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_amount100_file-20.i[916,929] [2024-10-11 12:08:17,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:08:17,802 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:08:17,818 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_amount100_file-20.i[916,929] [2024-10-11 12:08:17,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:08:17,904 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:08:17,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17 WrapperNode [2024-10-11 12:08:17,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:08:17,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:08:17,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:08:17,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:08:17,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:17,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:17,992 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 261 [2024-10-11 12:08:17,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:08:17,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:08:17,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:08:17,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:08:18,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:18,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:18,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:18,042 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]. [2024-10-11 12:08:18,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:18,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:18,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:18,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:18,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:18,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:18,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:08:18,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:08:18,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:08:18,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:08:18,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (1/1) ... [2024-10-11 12:08:18,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:08:18,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:08:18,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 12:08:18,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 12:08:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:08:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:08:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:08:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 12:08:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:08:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:08:18,325 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:08:18,330 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:08:18,932 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-10-11 12:08:18,932 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:08:18,988 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:08:18,988 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:08:18,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:08:18 BoogieIcfgContainer [2024-10-11 12:08:18,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:08:18,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:08:18,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:08:18,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:08:18,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:08:17" (1/3) ... [2024-10-11 12:08:18,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfffffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:08:18, skipping insertion in model container [2024-10-11 12:08:19,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:08:17" (2/3) ... [2024-10-11 12:08:19,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfffffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:08:19, skipping insertion in model container [2024-10-11 12:08:19,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:08:18" (3/3) ... [2024-10-11 12:08:19,002 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-20.i [2024-10-11 12:08:19,021 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:08:19,021 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:08:19,100 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:08:19,107 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;@53ed98cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:08:19,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:08:19,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 12:08:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-11 12:08:19,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:19,134 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:19,134 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:19,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:19,141 INFO L85 PathProgramCache]: Analyzing trace with hash -226368095, now seen corresponding path program 1 times [2024-10-11 12:08:19,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:19,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645771874] [2024-10-11 12:08:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:19,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:19,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:19,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:19,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645771874] [2024-10-11 12:08:19,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645771874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:19,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:19,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 12:08:19,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958288847] [2024-10-11 12:08:19,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:19,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 12:08:19,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:19,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 12:08:19,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:08:19,863 INFO L87 Difference]: Start difference. First operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 12:08:19,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:19,931 INFO L93 Difference]: Finished difference Result 217 states and 377 transitions. [2024-10-11 12:08:19,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 12:08:19,936 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 200 [2024-10-11 12:08:19,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:19,947 INFO L225 Difference]: With dead ends: 217 [2024-10-11 12:08:19,948 INFO L226 Difference]: Without dead ends: 108 [2024-10-11 12:08:19,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:08:19,959 INFO L432 NwaCegarLoop]: 166 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, 166 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 [2024-10-11 12:08:19,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:08:19,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-11 12:08:20,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-10-11 12:08:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 75 states have internal predecessors, (107), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 12:08:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 169 transitions. [2024-10-11 12:08:20,028 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 169 transitions. Word has length 200 [2024-10-11 12:08:20,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:20,029 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 169 transitions. [2024-10-11 12:08:20,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 12:08:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 169 transitions. [2024-10-11 12:08:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-11 12:08:20,035 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:20,035 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:20,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 12:08:20,036 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:20,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:20,037 INFO L85 PathProgramCache]: Analyzing trace with hash -694898213, now seen corresponding path program 1 times [2024-10-11 12:08:20,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:20,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678894291] [2024-10-11 12:08:20,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:20,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:20,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:20,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:20,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678894291] [2024-10-11 12:08:20,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678894291] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:20,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:20,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 12:08:20,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798406587] [2024-10-11 12:08:20,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:20,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 12:08:20,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:20,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 12:08:20,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:08:20,958 INFO L87 Difference]: Start difference. First operand 108 states and 169 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:21,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:21,399 INFO L93 Difference]: Finished difference Result 355 states and 556 transitions. [2024-10-11 12:08:21,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 12:08:21,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2024-10-11 12:08:21,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:21,405 INFO L225 Difference]: With dead ends: 355 [2024-10-11 12:08:21,405 INFO L226 Difference]: Without dead ends: 248 [2024-10-11 12:08:21,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 12:08:21,407 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 164 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:21,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 715 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 12:08:21,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-11 12:08:21,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 238. [2024-10-11 12:08:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 173 states have (on average 1.416184971098266) internal successors, (245), 173 states have internal predecessors, (245), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 12:08:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 369 transitions. [2024-10-11 12:08:21,453 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 369 transitions. Word has length 200 [2024-10-11 12:08:21,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:21,458 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 369 transitions. [2024-10-11 12:08:21,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 369 transitions. [2024-10-11 12:08:21,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-11 12:08:21,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:21,467 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:21,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 12:08:21,467 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:21,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:21,468 INFO L85 PathProgramCache]: Analyzing trace with hash 2107565683, now seen corresponding path program 1 times [2024-10-11 12:08:21,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:21,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425275899] [2024-10-11 12:08:21,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:21,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:21,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:21,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:21,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:21,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:21,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:21,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:21,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:21,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:22,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:22,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:22,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425275899] [2024-10-11 12:08:22,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425275899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:22,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:22,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:08:22,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515129360] [2024-10-11 12:08:22,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:22,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:08:22,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:22,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:08:22,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:08:22,059 INFO L87 Difference]: Start difference. First operand 238 states and 369 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:22,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:22,381 INFO L93 Difference]: Finished difference Result 695 states and 1076 transitions. [2024-10-11 12:08:22,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:08:22,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2024-10-11 12:08:22,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:22,386 INFO L225 Difference]: With dead ends: 695 [2024-10-11 12:08:22,386 INFO L226 Difference]: Without dead ends: 458 [2024-10-11 12:08:22,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:08:22,389 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 141 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:22,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 558 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 12:08:22,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-11 12:08:22,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 313. [2024-10-11 12:08:22,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 248 states have (on average 1.4596774193548387) internal successors, (362), 248 states have internal predecessors, (362), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 12:08:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 486 transitions. [2024-10-11 12:08:22,451 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 486 transitions. Word has length 201 [2024-10-11 12:08:22,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:22,453 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 486 transitions. [2024-10-11 12:08:22,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 486 transitions. [2024-10-11 12:08:22,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 12:08:22,460 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:22,460 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:22,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 12:08:22,461 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:22,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:22,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1649660106, now seen corresponding path program 1 times [2024-10-11 12:08:22,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:22,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325004163] [2024-10-11 12:08:22,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:22,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:23,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:23,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325004163] [2024-10-11 12:08:23,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325004163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:23,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:23,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 12:08:23,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145867333] [2024-10-11 12:08:23,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:23,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 12:08:23,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:23,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 12:08:23,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 12:08:23,165 INFO L87 Difference]: Start difference. First operand 313 states and 486 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:24,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:24,078 INFO L93 Difference]: Finished difference Result 911 states and 1388 transitions. [2024-10-11 12:08:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 12:08:24,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 12:08:24,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:24,087 INFO L225 Difference]: With dead ends: 911 [2024-10-11 12:08:24,089 INFO L226 Difference]: Without dead ends: 599 [2024-10-11 12:08:24,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 12:08:24,093 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 141 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:24,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 884 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 12:08:24,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-10-11 12:08:24,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 521. [2024-10-11 12:08:24,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 442 states have (on average 1.4728506787330318) internal successors, (651), 444 states have internal predecessors, (651), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 12:08:24,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 799 transitions. [2024-10-11 12:08:24,158 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 799 transitions. Word has length 202 [2024-10-11 12:08:24,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:24,159 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 799 transitions. [2024-10-11 12:08:24,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 799 transitions. [2024-10-11 12:08:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 12:08:24,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:24,164 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:24,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 12:08:24,164 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:24,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:24,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1827658740, now seen corresponding path program 1 times [2024-10-11 12:08:24,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:24,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803519248] [2024-10-11 12:08:24,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:24,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:26,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:26,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803519248] [2024-10-11 12:08:26,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803519248] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:26,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:26,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 12:08:26,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584156744] [2024-10-11 12:08:26,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:26,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 12:08:26,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:26,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 12:08:26,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-11 12:08:26,936 INFO L87 Difference]: Start difference. First operand 521 states and 799 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:28,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:28,298 INFO L93 Difference]: Finished difference Result 1516 states and 2251 transitions. [2024-10-11 12:08:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 12:08:28,299 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 12:08:28,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:28,307 INFO L225 Difference]: With dead ends: 1516 [2024-10-11 12:08:28,308 INFO L226 Difference]: Without dead ends: 996 [2024-10-11 12:08:28,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-11 12:08:28,311 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 340 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:28,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 599 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 12:08:28,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-11 12:08:28,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 639. [2024-10-11 12:08:28,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 560 states have (on average 1.4821428571428572) internal successors, (830), 562 states have internal predecessors, (830), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 12:08:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 978 transitions. [2024-10-11 12:08:28,382 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 978 transitions. Word has length 202 [2024-10-11 12:08:28,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:28,385 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 978 transitions. [2024-10-11 12:08:28,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 978 transitions. [2024-10-11 12:08:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 12:08:28,390 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:28,390 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:28,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 12:08:28,391 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:28,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:28,392 INFO L85 PathProgramCache]: Analyzing trace with hash 816541490, now seen corresponding path program 1 times [2024-10-11 12:08:28,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:28,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14590080] [2024-10-11 12:08:28,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:28,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:29,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:29,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14590080] [2024-10-11 12:08:29,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14590080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:29,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:29,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 12:08:29,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458213956] [2024-10-11 12:08:29,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:29,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 12:08:29,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:29,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 12:08:29,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-11 12:08:29,825 INFO L87 Difference]: Start difference. First operand 639 states and 978 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:31,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:31,414 INFO L93 Difference]: Finished difference Result 1986 states and 2970 transitions. [2024-10-11 12:08:31,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 12:08:31,415 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 12:08:31,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:31,422 INFO L225 Difference]: With dead ends: 1986 [2024-10-11 12:08:31,422 INFO L226 Difference]: Without dead ends: 1348 [2024-10-11 12:08:31,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-10-11 12:08:31,426 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 333 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:31,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 962 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 12:08:31,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2024-10-11 12:08:31,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 669. [2024-10-11 12:08:31,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 590 states have (on average 1.4864406779661017) internal successors, (877), 592 states have internal predecessors, (877), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 12:08:31,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 1025 transitions. [2024-10-11 12:08:31,484 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 1025 transitions. Word has length 202 [2024-10-11 12:08:31,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:31,487 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 1025 transitions. [2024-10-11 12:08:31,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1025 transitions. [2024-10-11 12:08:31,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 12:08:31,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:31,491 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:31,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 12:08:31,492 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:31,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:31,492 INFO L85 PathProgramCache]: Analyzing trace with hash -855339022, now seen corresponding path program 1 times [2024-10-11 12:08:31,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:31,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717091392] [2024-10-11 12:08:31,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:31,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:32,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:32,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717091392] [2024-10-11 12:08:32,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717091392] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:32,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:32,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 12:08:32,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683057705] [2024-10-11 12:08:32,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:32,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 12:08:32,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:32,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 12:08:32,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 12:08:32,801 INFO L87 Difference]: Start difference. First operand 669 states and 1025 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:33,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:33,979 INFO L93 Difference]: Finished difference Result 2005 states and 3054 transitions. [2024-10-11 12:08:33,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 12:08:33,980 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 12:08:33,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:33,988 INFO L225 Difference]: With dead ends: 2005 [2024-10-11 12:08:33,988 INFO L226 Difference]: Without dead ends: 1337 [2024-10-11 12:08:33,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-11 12:08:33,992 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 364 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:33,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 476 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 12:08:33,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2024-10-11 12:08:34,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 735. [2024-10-11 12:08:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 656 states have (on average 1.4954268292682926) internal successors, (981), 658 states have internal predecessors, (981), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 12:08:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1129 transitions. [2024-10-11 12:08:34,058 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1129 transitions. Word has length 202 [2024-10-11 12:08:34,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:34,059 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 1129 transitions. [2024-10-11 12:08:34,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:34,060 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1129 transitions. [2024-10-11 12:08:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 12:08:34,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:34,065 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:34,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 12:08:34,066 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:34,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:34,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1906298398, now seen corresponding path program 1 times [2024-10-11 12:08:34,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:34,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280676030] [2024-10-11 12:08:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:34,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:34,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:34,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280676030] [2024-10-11 12:08:34,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280676030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:34,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:34,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:08:34,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587347288] [2024-10-11 12:08:34,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:34,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:08:34,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:34,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:08:34,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:08:34,281 INFO L87 Difference]: Start difference. First operand 735 states and 1129 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:34,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:34,426 INFO L93 Difference]: Finished difference Result 1858 states and 2855 transitions. [2024-10-11 12:08:34,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:08:34,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 12:08:34,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:34,434 INFO L225 Difference]: With dead ends: 1858 [2024-10-11 12:08:34,435 INFO L226 Difference]: Without dead ends: 1124 [2024-10-11 12:08:34,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:08:34,439 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 147 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:34,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 439 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 12:08:34,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-10-11 12:08:34,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 927. [2024-10-11 12:08:34,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 848 states have (on average 1.5153301886792452) internal successors, (1285), 850 states have internal predecessors, (1285), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 12:08:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1433 transitions. [2024-10-11 12:08:34,508 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1433 transitions. Word has length 202 [2024-10-11 12:08:34,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:34,509 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1433 transitions. [2024-10-11 12:08:34,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1433 transitions. [2024-10-11 12:08:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 12:08:34,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:34,514 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:34,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 12:08:34,514 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:34,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:34,515 INFO L85 PathProgramCache]: Analyzing trace with hash 444594544, now seen corresponding path program 1 times [2024-10-11 12:08:34,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:34,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419769428] [2024-10-11 12:08:34,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:34,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:34,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:34,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419769428] [2024-10-11 12:08:34,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419769428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:34,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:34,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:08:34,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900392287] [2024-10-11 12:08:34,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:34,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:08:34,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:34,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:08:34,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:08:34,789 INFO L87 Difference]: Start difference. First operand 927 states and 1433 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:34,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:34,860 INFO L93 Difference]: Finished difference Result 1857 states and 2871 transitions. [2024-10-11 12:08:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:08:34,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 203 [2024-10-11 12:08:34,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:34,865 INFO L225 Difference]: With dead ends: 1857 [2024-10-11 12:08:34,865 INFO L226 Difference]: Without dead ends: 931 [2024-10-11 12:08:34,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:08:34,869 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:34,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 486 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:08:34,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-10-11 12:08:34,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 931. [2024-10-11 12:08:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 852 states have (on average 1.5129107981220657) internal successors, (1289), 854 states have internal predecessors, (1289), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 12:08:34,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1437 transitions. [2024-10-11 12:08:34,918 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1437 transitions. Word has length 203 [2024-10-11 12:08:34,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:34,919 INFO L471 AbstractCegarLoop]: Abstraction has 931 states and 1437 transitions. [2024-10-11 12:08:34,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1437 transitions. [2024-10-11 12:08:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 12:08:34,923 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:34,923 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:34,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 12:08:34,923 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:34,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:34,924 INFO L85 PathProgramCache]: Analyzing trace with hash 225739826, now seen corresponding path program 1 times [2024-10-11 12:08:34,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:34,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774259848] [2024-10-11 12:08:34,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:34,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:35,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:35,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774259848] [2024-10-11 12:08:35,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774259848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:35,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:35,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:08:35,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955839546] [2024-10-11 12:08:35,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:35,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:08:35,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:35,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:08:35,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:08:35,177 INFO L87 Difference]: Start difference. First operand 931 states and 1437 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:35,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:35,711 INFO L93 Difference]: Finished difference Result 2258 states and 3483 transitions. [2024-10-11 12:08:35,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:08:35,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 203 [2024-10-11 12:08:35,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:35,720 INFO L225 Difference]: With dead ends: 2258 [2024-10-11 12:08:35,721 INFO L226 Difference]: Without dead ends: 1328 [2024-10-11 12:08:35,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:08:35,724 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 151 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:35,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 628 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 12:08:35,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2024-10-11 12:08:35,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 939. [2024-10-11 12:08:35,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 860 states have (on average 1.5104651162790699) internal successors, (1299), 862 states have internal predecessors, (1299), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 12:08:35,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1447 transitions. [2024-10-11 12:08:35,796 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1447 transitions. Word has length 203 [2024-10-11 12:08:35,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:35,798 INFO L471 AbstractCegarLoop]: Abstraction has 939 states and 1447 transitions. [2024-10-11 12:08:35,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:35,798 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1447 transitions. [2024-10-11 12:08:35,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 12:08:35,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:35,801 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:35,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 12:08:35,802 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:35,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:35,803 INFO L85 PathProgramCache]: Analyzing trace with hash -771143077, now seen corresponding path program 1 times [2024-10-11 12:08:35,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:35,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056218111] [2024-10-11 12:08:35,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:35,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:35,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:35,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:35,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056218111] [2024-10-11 12:08:35,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056218111] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:35,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:35,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:08:35,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295485128] [2024-10-11 12:08:35,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:35,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:08:35,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:35,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:08:35,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:08:35,936 INFO L87 Difference]: Start difference. First operand 939 states and 1447 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:36,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:36,068 INFO L93 Difference]: Finished difference Result 1834 states and 2837 transitions. [2024-10-11 12:08:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:08:36,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-11 12:08:36,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:36,076 INFO L225 Difference]: With dead ends: 1834 [2024-10-11 12:08:36,076 INFO L226 Difference]: Without dead ends: 1309 [2024-10-11 12:08:36,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:08:36,079 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 151 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:36,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 365 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:08:36,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2024-10-11 12:08:36,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1307. [2024-10-11 12:08:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1189 states have (on average 1.441547518923465) internal successors, (1714), 1192 states have internal predecessors, (1714), 111 states have call successors, (111), 6 states have call predecessors, (111), 6 states have return successors, (111), 108 states have call predecessors, (111), 111 states have call successors, (111) [2024-10-11 12:08:36,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1936 transitions. [2024-10-11 12:08:36,186 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1936 transitions. Word has length 204 [2024-10-11 12:08:36,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:36,187 INFO L471 AbstractCegarLoop]: Abstraction has 1307 states and 1936 transitions. [2024-10-11 12:08:36,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1936 transitions. [2024-10-11 12:08:36,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 12:08:36,190 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:36,191 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:36,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 12:08:36,191 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:36,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:36,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1440112071, now seen corresponding path program 1 times [2024-10-11 12:08:36,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:36,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674491214] [2024-10-11 12:08:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:36,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-11 12:08:36,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:36,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674491214] [2024-10-11 12:08:36,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674491214] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:08:36,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964332781] [2024-10-11 12:08:36,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:36,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:08:36,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:08:36,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:08:36,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 12:08:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:37,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 12:08:37,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:08:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-10-11 12:08:38,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:08:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-11 12:08:38,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964332781] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 12:08:38,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 12:08:38,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 7] total 21 [2024-10-11 12:08:38,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542282005] [2024-10-11 12:08:38,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 12:08:38,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-11 12:08:38,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:38,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-11 12:08:38,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-10-11 12:08:38,858 INFO L87 Difference]: Start difference. First operand 1307 states and 1936 transitions. Second operand has 21 states, 21 states have (on average 6.523809523809524) internal successors, (137), 21 states have internal predecessors, (137), 5 states have call successors, (93), 4 states have call predecessors, (93), 7 states have return successors, (93), 5 states have call predecessors, (93), 5 states have call successors, (93) [2024-10-11 12:08:41,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:41,242 INFO L93 Difference]: Finished difference Result 2854 states and 4209 transitions. [2024-10-11 12:08:41,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-11 12:08:41,243 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 6.523809523809524) internal successors, (137), 21 states have internal predecessors, (137), 5 states have call successors, (93), 4 states have call predecessors, (93), 7 states have return successors, (93), 5 states have call predecessors, (93), 5 states have call successors, (93) Word has length 204 [2024-10-11 12:08:41,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:41,256 INFO L225 Difference]: With dead ends: 2854 [2024-10-11 12:08:41,256 INFO L226 Difference]: Without dead ends: 1548 [2024-10-11 12:08:41,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 460 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=413, Invalid=1843, Unknown=0, NotChecked=0, Total=2256 [2024-10-11 12:08:41,262 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 530 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:41,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 1221 Invalid, 1599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 12:08:41,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2024-10-11 12:08:41,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1496. [2024-10-11 12:08:41,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1221 states have (on average 1.3063063063063063) internal successors, (1595), 1230 states have internal predecessors, (1595), 253 states have call successors, (253), 21 states have call predecessors, (253), 21 states have return successors, (253), 244 states have call predecessors, (253), 253 states have call successors, (253) [2024-10-11 12:08:41,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 2101 transitions. [2024-10-11 12:08:41,494 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 2101 transitions. Word has length 204 [2024-10-11 12:08:41,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:41,495 INFO L471 AbstractCegarLoop]: Abstraction has 1496 states and 2101 transitions. [2024-10-11 12:08:41,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.523809523809524) internal successors, (137), 21 states have internal predecessors, (137), 5 states have call successors, (93), 4 states have call predecessors, (93), 7 states have return successors, (93), 5 states have call predecessors, (93), 5 states have call successors, (93) [2024-10-11 12:08:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2101 transitions. [2024-10-11 12:08:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 12:08:41,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:41,500 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:41,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 12:08:41,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 12:08:41,705 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:41,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:41,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1146168725, now seen corresponding path program 1 times [2024-10-11 12:08:41,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:41,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090676389] [2024-10-11 12:08:41,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:41,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:41,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:41,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090676389] [2024-10-11 12:08:41,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090676389] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:41,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:41,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:08:41,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637942222] [2024-10-11 12:08:41,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:41,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:08:41,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:41,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:08:41,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:08:41,967 INFO L87 Difference]: Start difference. First operand 1496 states and 2101 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:42,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:42,203 INFO L93 Difference]: Finished difference Result 1697 states and 2387 transitions. [2024-10-11 12:08:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:08:42,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-11 12:08:42,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:42,210 INFO L225 Difference]: With dead ends: 1697 [2024-10-11 12:08:42,210 INFO L226 Difference]: Without dead ends: 965 [2024-10-11 12:08:42,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:08:42,213 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 149 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:42,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 391 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 12:08:42,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2024-10-11 12:08:42,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 963. [2024-10-11 12:08:42,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 768 states have (on average 1.2630208333333333) internal successors, (970), 774 states have internal predecessors, (970), 179 states have call successors, (179), 15 states have call predecessors, (179), 15 states have return successors, (179), 173 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-11 12:08:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1328 transitions. [2024-10-11 12:08:42,373 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1328 transitions. Word has length 204 [2024-10-11 12:08:42,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:42,374 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1328 transitions. [2024-10-11 12:08:42,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:42,374 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1328 transitions. [2024-10-11 12:08:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 12:08:42,376 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:42,376 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:42,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 12:08:42,377 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:42,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:42,377 INFO L85 PathProgramCache]: Analyzing trace with hash -659269609, now seen corresponding path program 1 times [2024-10-11 12:08:42,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:42,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974334911] [2024-10-11 12:08:42,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:42,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:46,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:46,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974334911] [2024-10-11 12:08:46,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974334911] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:46,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:46,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 12:08:46,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273408294] [2024-10-11 12:08:46,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:46,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 12:08:46,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:46,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 12:08:46,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-10-11 12:08:46,430 INFO L87 Difference]: Start difference. First operand 963 states and 1328 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:48,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:48,762 INFO L93 Difference]: Finished difference Result 2019 states and 2723 transitions. [2024-10-11 12:08:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 12:08:48,763 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-11 12:08:48,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:48,771 INFO L225 Difference]: With dead ends: 2019 [2024-10-11 12:08:48,771 INFO L226 Difference]: Without dead ends: 1443 [2024-10-11 12:08:48,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2024-10-11 12:08:48,774 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 311 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:48,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 546 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 12:08:48,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2024-10-11 12:08:48,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 975. [2024-10-11 12:08:48,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 780 states have (on average 1.2666666666666666) internal successors, (988), 786 states have internal predecessors, (988), 179 states have call successors, (179), 15 states have call predecessors, (179), 15 states have return successors, (179), 173 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-11 12:08:48,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1346 transitions. [2024-10-11 12:08:48,920 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1346 transitions. Word has length 204 [2024-10-11 12:08:48,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:48,920 INFO L471 AbstractCegarLoop]: Abstraction has 975 states and 1346 transitions. [2024-10-11 12:08:48,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1346 transitions. [2024-10-11 12:08:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 12:08:48,923 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:48,923 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:48,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 12:08:48,924 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:48,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:48,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1246075623, now seen corresponding path program 1 times [2024-10-11 12:08:48,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:48,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990401520] [2024-10-11 12:08:48,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:48,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:51,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:51,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:51,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990401520] [2024-10-11 12:08:51,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990401520] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:51,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:51,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 12:08:51,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691338198] [2024-10-11 12:08:51,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:51,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 12:08:51,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:51,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 12:08:51,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-11 12:08:51,817 INFO L87 Difference]: Start difference. First operand 975 states and 1346 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:53,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:53,790 INFO L93 Difference]: Finished difference Result 2063 states and 2771 transitions. [2024-10-11 12:08:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 12:08:53,791 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-11 12:08:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:53,800 INFO L225 Difference]: With dead ends: 2063 [2024-10-11 12:08:53,800 INFO L226 Difference]: Without dead ends: 1481 [2024-10-11 12:08:53,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-10-11 12:08:53,805 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 327 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:53,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 645 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 12:08:53,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2024-10-11 12:08:53,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 975. [2024-10-11 12:08:53,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 780 states have (on average 1.2666666666666666) internal successors, (988), 786 states have internal predecessors, (988), 179 states have call successors, (179), 15 states have call predecessors, (179), 15 states have return successors, (179), 173 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-11 12:08:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1346 transitions. [2024-10-11 12:08:53,938 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1346 transitions. Word has length 204 [2024-10-11 12:08:53,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:53,938 INFO L471 AbstractCegarLoop]: Abstraction has 975 states and 1346 transitions. [2024-10-11 12:08:53,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1346 transitions. [2024-10-11 12:08:53,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 12:08:53,941 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:53,942 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:53,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 12:08:53,942 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:53,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:53,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1054746967, now seen corresponding path program 1 times [2024-10-11 12:08:53,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:53,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420101166] [2024-10-11 12:08:53,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:53,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:54,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:54,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420101166] [2024-10-11 12:08:54,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420101166] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:54,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:54,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 12:08:54,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534113641] [2024-10-11 12:08:54,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:54,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 12:08:54,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:54,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 12:08:54,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-11 12:08:54,850 INFO L87 Difference]: Start difference. First operand 975 states and 1346 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-11 12:08:56,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:56,234 INFO L93 Difference]: Finished difference Result 2460 states and 3353 transitions. [2024-10-11 12:08:56,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 12:08:56,236 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 204 [2024-10-11 12:08:56,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:56,248 INFO L225 Difference]: With dead ends: 2460 [2024-10-11 12:08:56,249 INFO L226 Difference]: Without dead ends: 1822 [2024-10-11 12:08:56,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2024-10-11 12:08:56,253 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 380 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:56,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 937 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 12:08:56,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2024-10-11 12:08:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1400. [2024-10-11 12:08:56,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1121 states have (on average 1.2506690454950937) internal successors, (1402), 1130 states have internal predecessors, (1402), 253 states have call successors, (253), 25 states have call predecessors, (253), 25 states have return successors, (253), 244 states have call predecessors, (253), 253 states have call successors, (253) [2024-10-11 12:08:56,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1908 transitions. [2024-10-11 12:08:56,570 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1908 transitions. Word has length 204 [2024-10-11 12:08:56,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:08:56,571 INFO L471 AbstractCegarLoop]: Abstraction has 1400 states and 1908 transitions. [2024-10-11 12:08:56,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-11 12:08:56,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1908 transitions. [2024-10-11 12:08:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 12:08:56,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:08:56,573 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:08:56,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 12:08:56,573 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:08:56,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:08:56,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2119572229, now seen corresponding path program 1 times [2024-10-11 12:08:56,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:08:56,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187372891] [2024-10-11 12:08:56,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:08:56,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:08:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:08:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:08:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:08:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:08:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:08:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:08:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:08:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:08:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:08:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:08:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:08:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:08:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:08:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:08:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:08:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:08:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:08:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:08:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:08:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:08:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:08:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:08:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:08:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:08:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:08:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:08:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:08:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:08:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:08:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:08:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:08:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:08:58,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:08:58,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:08:58,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187372891] [2024-10-11 12:08:58,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187372891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:08:58,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:08:58,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 12:08:58,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442198897] [2024-10-11 12:08:58,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:08:58,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 12:08:58,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:08:58,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 12:08:58,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-11 12:08:58,119 INFO L87 Difference]: Start difference. First operand 1400 states and 1908 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:08:59,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:08:59,806 INFO L93 Difference]: Finished difference Result 2448 states and 3271 transitions. [2024-10-11 12:08:59,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 12:08:59,807 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-11 12:08:59,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:08:59,821 INFO L225 Difference]: With dead ends: 2448 [2024-10-11 12:08:59,821 INFO L226 Difference]: Without dead ends: 2166 [2024-10-11 12:08:59,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-11 12:08:59,824 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 386 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:08:59,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 1082 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 12:08:59,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2024-10-11 12:09:00,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 1585. [2024-10-11 12:09:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1289 states have (on average 1.2513576415826222) internal successors, (1613), 1300 states have internal predecessors, (1613), 261 states have call successors, (261), 34 states have call predecessors, (261), 34 states have return successors, (261), 250 states have call predecessors, (261), 261 states have call successors, (261) [2024-10-11 12:09:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2135 transitions. [2024-10-11 12:09:00,221 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2135 transitions. Word has length 204 [2024-10-11 12:09:00,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:09:00,222 INFO L471 AbstractCegarLoop]: Abstraction has 1585 states and 2135 transitions. [2024-10-11 12:09:00,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:09:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2135 transitions. [2024-10-11 12:09:00,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 12:09:00,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:09:00,224 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:09:00,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 12:09:00,225 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:09:00,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:09:00,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1588589053, now seen corresponding path program 1 times [2024-10-11 12:09:00,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:09:00,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406844930] [2024-10-11 12:09:00,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:09:00,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:09:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:09:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:09:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:09:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:09:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:09:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:09:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:09:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:09:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:09:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:09:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:09:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:09:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:09:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:09:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:09:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:09:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:09:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:09:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:09:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:09:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:09:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:09:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:09:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:09:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:09:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:09:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:09:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:09:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:09:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:09:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:09:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:09:02,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:09:02,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406844930] [2024-10-11 12:09:02,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406844930] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:09:02,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:09:02,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 12:09:02,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562145] [2024-10-11 12:09:02,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:09:02,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 12:09:02,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:09:02,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 12:09:02,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 12:09:02,059 INFO L87 Difference]: Start difference. First operand 1585 states and 2135 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:09:03,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:09:03,249 INFO L93 Difference]: Finished difference Result 3294 states and 4404 transitions. [2024-10-11 12:09:03,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 12:09:03,250 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-11 12:09:03,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:09:03,262 INFO L225 Difference]: With dead ends: 3294 [2024-10-11 12:09:03,262 INFO L226 Difference]: Without dead ends: 2093 [2024-10-11 12:09:03,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-11 12:09:03,267 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 255 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 12:09:03,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 663 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 12:09:03,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2024-10-11 12:09:03,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 1789. [2024-10-11 12:09:03,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1789 states, 1493 states have (on average 1.2558606831882118) internal successors, (1875), 1504 states have internal predecessors, (1875), 261 states have call successors, (261), 34 states have call predecessors, (261), 34 states have return successors, (261), 250 states have call predecessors, (261), 261 states have call successors, (261) [2024-10-11 12:09:03,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 2397 transitions. [2024-10-11 12:09:03,538 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 2397 transitions. Word has length 204 [2024-10-11 12:09:03,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:09:03,539 INFO L471 AbstractCegarLoop]: Abstraction has 1789 states and 2397 transitions. [2024-10-11 12:09:03,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:09:03,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2397 transitions. [2024-10-11 12:09:03,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-11 12:09:03,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:09:03,541 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:09:03,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 12:09:03,542 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:09:03,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:09:03,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1152397857, now seen corresponding path program 1 times [2024-10-11 12:09:03,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:09:03,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914923815] [2024-10-11 12:09:03,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:09:03,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:09:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:03,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:09:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:03,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:09:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:03,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:09:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:03,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:09:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:03,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:09:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:09:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:09:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:09:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:09:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:09:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:09:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:09:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:09:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:09:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:09:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:09:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:09:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:09:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:09:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:09:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:09:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:09:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:09:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:09:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:09:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:09:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:09:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:09:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:09:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:09:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:09:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-11 12:09:04,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:09:04,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914923815] [2024-10-11 12:09:04,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914923815] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:09:04,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730002847] [2024-10-11 12:09:04,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:09:04,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:09:04,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:09:04,086 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:09:04,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 12:09:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:04,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 12:09:04,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:09:04,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 482 proven. 150 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-10-11 12:09:04,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:09:05,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-11 12:09:05,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730002847] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 12:09:05,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 12:09:05,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 14 [2024-10-11 12:09:05,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467460783] [2024-10-11 12:09:05,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 12:09:05,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 12:09:05,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:09:05,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 12:09:05,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-10-11 12:09:05,041 INFO L87 Difference]: Start difference. First operand 1789 states and 2397 transitions. Second operand has 14 states, 14 states have (on average 7.5) internal successors, (105), 14 states have internal predecessors, (105), 4 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2024-10-11 12:09:06,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:09:06,567 INFO L93 Difference]: Finished difference Result 3255 states and 4307 transitions. [2024-10-11 12:09:06,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-11 12:09:06,568 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.5) internal successors, (105), 14 states have internal predecessors, (105), 4 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) Word has length 205 [2024-10-11 12:09:06,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:09:06,579 INFO L225 Difference]: With dead ends: 3255 [2024-10-11 12:09:06,579 INFO L226 Difference]: Without dead ends: 1827 [2024-10-11 12:09:06,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 469 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=429, Invalid=1053, Unknown=0, NotChecked=0, Total=1482 [2024-10-11 12:09:06,585 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 748 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 12:09:06,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 667 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 12:09:06,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2024-10-11 12:09:06,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1033. [2024-10-11 12:09:06,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 760 states have (on average 1.206578947368421) internal successors, (917), 765 states have internal predecessors, (917), 232 states have call successors, (232), 40 states have call predecessors, (232), 40 states have return successors, (232), 227 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-11 12:09:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1381 transitions. [2024-10-11 12:09:06,857 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1381 transitions. Word has length 205 [2024-10-11 12:09:06,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:09:06,857 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1381 transitions. [2024-10-11 12:09:06,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.5) internal successors, (105), 14 states have internal predecessors, (105), 4 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2024-10-11 12:09:06,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1381 transitions. [2024-10-11 12:09:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-11 12:09:06,859 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:09:06,859 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:09:06,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 12:09:07,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:09:07,061 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:09:07,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:09:07,061 INFO L85 PathProgramCache]: Analyzing trace with hash 244591540, now seen corresponding path program 1 times [2024-10-11 12:09:07,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:09:07,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058415223] [2024-10-11 12:09:07,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:09:07,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:09:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:09:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:09:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:09:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:09:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:09:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:09:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:09:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:09:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:09:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:09:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:09:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:09:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:09:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:09:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:09:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:09:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:09:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:09:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:09:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:09:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:09:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:09:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:09:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:09:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:09:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:09:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:09:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:09:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:09:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:09:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:09:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:09:11,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:09:11,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058415223] [2024-10-11 12:09:11,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058415223] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:09:11,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:09:11,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 12:09:11,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651040829] [2024-10-11 12:09:11,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:09:11,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 12:09:11,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:09:11,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 12:09:11,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-11 12:09:11,069 INFO L87 Difference]: Start difference. First operand 1033 states and 1381 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:09:15,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:09:15,003 INFO L93 Difference]: Finished difference Result 2002 states and 2633 transitions. [2024-10-11 12:09:15,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 12:09:15,005 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-10-11 12:09:15,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:09:15,013 INFO L225 Difference]: With dead ends: 2002 [2024-10-11 12:09:15,013 INFO L226 Difference]: Without dead ends: 1452 [2024-10-11 12:09:15,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2024-10-11 12:09:15,016 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 406 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:09:15,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 1141 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-11 12:09:15,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2024-10-11 12:09:15,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1054. [2024-10-11 12:09:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 781 states have (on average 1.2125480153649169) internal successors, (947), 786 states have internal predecessors, (947), 232 states have call successors, (232), 40 states have call predecessors, (232), 40 states have return successors, (232), 227 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-11 12:09:15,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1411 transitions. [2024-10-11 12:09:15,249 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1411 transitions. Word has length 206 [2024-10-11 12:09:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:09:15,249 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1411 transitions. [2024-10-11 12:09:15,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:09:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1411 transitions. [2024-10-11 12:09:15,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-11 12:09:15,250 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:09:15,250 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:09:15,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 12:09:15,251 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:09:15,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:09:15,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1749553166, now seen corresponding path program 1 times [2024-10-11 12:09:15,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:09:15,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777272132] [2024-10-11 12:09:15,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:09:15,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:09:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:09:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:09:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:09:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:09:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:09:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:09:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:09:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:09:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:09:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:09:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:09:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:09:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:09:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:09:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:09:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:09:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:09:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:09:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:09:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:09:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:09:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:09:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:09:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:09:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:09:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:09:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:09:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:09:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:09:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:09:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:09:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:09:17,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:09:17,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777272132] [2024-10-11 12:09:17,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777272132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:09:17,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:09:17,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 12:09:17,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538871891] [2024-10-11 12:09:17,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:09:17,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 12:09:17,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:09:17,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 12:09:17,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-11 12:09:17,890 INFO L87 Difference]: Start difference. First operand 1054 states and 1411 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:09:19,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:09:19,888 INFO L93 Difference]: Finished difference Result 2046 states and 2692 transitions. [2024-10-11 12:09:19,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 12:09:19,889 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-10-11 12:09:19,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:09:19,900 INFO L225 Difference]: With dead ends: 2046 [2024-10-11 12:09:19,901 INFO L226 Difference]: Without dead ends: 1487 [2024-10-11 12:09:19,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-10-11 12:09:19,904 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 406 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 12:09:19,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 814 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 12:09:19,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2024-10-11 12:09:20,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1069. [2024-10-11 12:09:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 796 states have (on average 1.2160804020100502) internal successors, (968), 801 states have internal predecessors, (968), 232 states have call successors, (232), 40 states have call predecessors, (232), 40 states have return successors, (232), 227 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-11 12:09:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1432 transitions. [2024-10-11 12:09:20,136 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1432 transitions. Word has length 206 [2024-10-11 12:09:20,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:09:20,136 INFO L471 AbstractCegarLoop]: Abstraction has 1069 states and 1432 transitions. [2024-10-11 12:09:20,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 12:09:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1432 transitions. [2024-10-11 12:09:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-11 12:09:20,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:09:20,138 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:09:20,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 12:09:20,138 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:09:20,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:09:20,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1958608116, now seen corresponding path program 1 times [2024-10-11 12:09:20,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:09:20,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064705420] [2024-10-11 12:09:20,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:09:20,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:09:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:09:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:09:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:09:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:09:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:09:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:09:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:09:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:09:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:09:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:09:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:09:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:09:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:09:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 12:09:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:09:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:09:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:09:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:09:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:09:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:09:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:09:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:09:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 12:09:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 12:09:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:09:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 12:09:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:09:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 12:09:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:09:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:09:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:09:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:09:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 12:09:20,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:09:20,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064705420] [2024-10-11 12:09:20,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064705420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:09:20,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:09:20,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 12:09:20,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733587921] [2024-10-11 12:09:20,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:09:20,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 12:09:20,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:09:20,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 12:09:20,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 12:09:20,777 INFO L87 Difference]: Start difference. First operand 1069 states and 1432 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-11 12:09:21,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:09:21,417 INFO L93 Difference]: Finished difference Result 1791 states and 2392 transitions. [2024-10-11 12:09:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 12:09:21,420 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 206 [2024-10-11 12:09:21,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:09:21,427 INFO L225 Difference]: With dead ends: 1791 [2024-10-11 12:09:21,427 INFO L226 Difference]: Without dead ends: 1077 [2024-10-11 12:09:21,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-11 12:09:21,430 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 198 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 12:09:21,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 504 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 12:09:21,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2024-10-11 12:09:21,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1053. [2024-10-11 12:09:21,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 780 states have (on average 1.2153846153846153) internal successors, (948), 785 states have internal predecessors, (948), 232 states have call successors, (232), 40 states have call predecessors, (232), 40 states have return successors, (232), 227 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-11 12:09:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1412 transitions. [2024-10-11 12:09:21,638 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1412 transitions. Word has length 206 [2024-10-11 12:09:21,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:09:21,638 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1412 transitions. [2024-10-11 12:09:21,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-11 12:09:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1412 transitions. [2024-10-11 12:09:21,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-11 12:09:21,640 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:09:21,641 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:09:21,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 12:09:21,641 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:09:21,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:09:21,642 INFO L85 PathProgramCache]: Analyzing trace with hash 667293366, now seen corresponding path program 1 times [2024-10-11 12:09:21,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:09:21,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358859506] [2024-10-11 12:09:21,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:09:21,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:09:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat