./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b28ed2134b8a500a12d5d4bc892752e1e825197b4bf6ff6b142642da12ed1a0e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 14:27:22,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 14:27:22,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 14:27:22,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 14:27:22,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 14:27:22,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 14:27:22,216 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 14:27:22,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 14:27:22,223 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 14:27:22,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 14:27:22,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 14:27:22,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 14:27:22,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 14:27:22,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 14:27:22,225 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 14:27:22,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 14:27:22,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 14:27:22,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 14:27:22,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 14:27:22,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 14:27:22,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 14:27:22,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 14:27:22,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 14:27:22,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 14:27:22,231 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 14:27:22,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 14:27:22,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 14:27:22,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 14:27:22,232 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 14:27:22,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 14:27:22,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 14:27:22,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 14:27:22,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:27:22,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 14:27:22,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 14:27:22,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 14:27:22,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 14:27:22,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 14:27:22,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 14:27:22,235 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 14:27:22,235 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 14:27:22,236 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 14:27:22,236 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b28ed2134b8a500a12d5d4bc892752e1e825197b4bf6ff6b142642da12ed1a0e [2024-11-16 14:27:22,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 14:27:22,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 14:27:22,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 14:27:22,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 14:27:22,490 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 14:27:22,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-11-16 14:27:23,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 14:27:24,182 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 14:27:24,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-11-16 14:27:24,193 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de781a327/30ed986be07949b6bad0bcd8ac3f4aaf/FLAG36209bcb2 [2024-11-16 14:27:24,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de781a327/30ed986be07949b6bad0bcd8ac3f4aaf [2024-11-16 14:27:24,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 14:27:24,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 14:27:24,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 14:27:24,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 14:27:24,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 14:27:24,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9c6a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24, skipping insertion in model container [2024-11-16 14:27:24,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 14:27:24,416 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i[919,932] [2024-11-16 14:27:24,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:27:24,536 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 14:27:24,548 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i[919,932] [2024-11-16 14:27:24,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:27:24,617 INFO L204 MainTranslator]: Completed translation [2024-11-16 14:27:24,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24 WrapperNode [2024-11-16 14:27:24,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 14:27:24,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 14:27:24,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 14:27:24,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 14:27:24,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,686 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 249 [2024-11-16 14:27:24,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 14:27:24,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 14:27:24,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 14:27:24,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 14:27:24,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,704 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,745 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 14:27:24,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,759 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 14:27:24,774 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 14:27:24,774 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 14:27:24,774 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 14:27:24,775 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (1/1) ... [2024-11-16 14:27:24,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:27:24,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:27:24,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 14:27:24,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 14:27:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 14:27:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 14:27:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 14:27:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 14:27:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 14:27:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 14:27:24,927 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 14:27:24,929 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 14:27:25,367 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L187: havoc property_#t~bitwise25#1;havoc property_#t~short26#1; [2024-11-16 14:27:25,413 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 14:27:25,413 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 14:27:25,438 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 14:27:25,441 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 14:27:25,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:27:25 BoogieIcfgContainer [2024-11-16 14:27:25,442 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 14:27:25,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 14:27:25,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 14:27:25,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 14:27:25,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:27:24" (1/3) ... [2024-11-16 14:27:25,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbad473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:27:25, skipping insertion in model container [2024-11-16 14:27:25,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:24" (2/3) ... [2024-11-16 14:27:25,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbad473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:27:25, skipping insertion in model container [2024-11-16 14:27:25,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:27:25" (3/3) ... [2024-11-16 14:27:25,452 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-11-16 14:27:25,467 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 14:27:25,468 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 14:27:25,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 14:27:25,530 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;@47247695, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 14:27:25,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 14:27:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 76 states have internal predecessors, (109), 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) [2024-11-16 14:27:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-16 14:27:25,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:27:25,578 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] [2024-11-16 14:27:25,579 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:27:25,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:27:25,588 INFO L85 PathProgramCache]: Analyzing trace with hash 393442406, now seen corresponding path program 1 times [2024-11-16 14:27:25,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:27:25,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86585970] [2024-11-16 14:27:25,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:27:25,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:27:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:27:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:25,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:27:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:25,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:27:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:25,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:27:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:25,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:27:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:25,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:27:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:25,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:27:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:25,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:27:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:27:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:27:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:27:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:27:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:27:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:27:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:27:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:27:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:27:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:27:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:27:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:27:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:27:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:27:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:27:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:27:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:27:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:27:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:27:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:27:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:27:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:27:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:27:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:26,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 14:27:26,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:27:26,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86585970] [2024-11-16 14:27:26,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86585970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:27:26,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:27:26,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 14:27:26,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291428356] [2024-11-16 14:27:26,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:27:26,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 14:27:26,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:27:26,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 14:27:26,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:27:26,155 INFO L87 Difference]: Start difference. First operand has 109 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 76 states have internal predecessors, (109), 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 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2024-11-16 14:27:26,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:27:26,202 INFO L93 Difference]: Finished difference Result 209 states and 364 transitions. [2024-11-16 14:27:26,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 14:27:26,209 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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 204 [2024-11-16 14:27:26,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:27:26,215 INFO L225 Difference]: With dead ends: 209 [2024-11-16 14:27:26,216 INFO L226 Difference]: Without dead ends: 103 [2024-11-16 14:27:26,219 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 [2024-11-16 14:27:26,221 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:27:26,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:27:26,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-16 14:27:26,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-16 14:27:26,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 70 states have (on average 1.4) internal successors, (98), 70 states have internal predecessors, (98), 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) [2024-11-16 14:27:26,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 160 transitions. [2024-11-16 14:27:26,277 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 160 transitions. Word has length 204 [2024-11-16 14:27:26,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:27:26,278 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 160 transitions. [2024-11-16 14:27:26,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2024-11-16 14:27:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2024-11-16 14:27:26,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-16 14:27:26,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:27:26,282 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] [2024-11-16 14:27:26,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 14:27:26,283 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:27:26,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:27:26,284 INFO L85 PathProgramCache]: Analyzing trace with hash -217988085, now seen corresponding path program 1 times [2024-11-16 14:27:26,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:27:26,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155763106] [2024-11-16 14:27:26,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:27:26,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:27:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:27:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:27:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:27:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:27:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:27:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:27:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:27:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:27:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:27:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:27:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:27:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:27:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:27:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:27:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:27:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:27:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:27:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:27:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:27:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:27:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:27:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:27:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:27:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:27:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:27:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:27:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:27:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:27:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:27:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:27:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:27:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 14:27:28,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:27:28,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155763106] [2024-11-16 14:27:28,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155763106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:27:28,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:27:28,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 14:27:28,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655971683] [2024-11-16 14:27:28,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:27:28,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 14:27:28,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:27:28,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 14:27:28,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-16 14:27:28,333 INFO L87 Difference]: Start difference. First operand 103 states and 160 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) [2024-11-16 14:27:29,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:27:29,307 INFO L93 Difference]: Finished difference Result 407 states and 624 transitions. [2024-11-16 14:27:29,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 14:27:29,308 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 [2024-11-16 14:27:29,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:27:29,311 INFO L225 Difference]: With dead ends: 407 [2024-11-16 14:27:29,311 INFO L226 Difference]: Without dead ends: 307 [2024-11-16 14:27:29,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-16 14:27:29,313 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 618 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 14:27:29,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 788 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 14:27:29,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-16 14:27:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 179. [2024-11-16 14:27:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 114 states have (on average 1.3771929824561404) internal successors, (157), 114 states have internal predecessors, (157), 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) [2024-11-16 14:27:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 281 transitions. [2024-11-16 14:27:29,338 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 281 transitions. Word has length 204 [2024-11-16 14:27:29,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:27:29,339 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 281 transitions. [2024-11-16 14:27:29,339 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) [2024-11-16 14:27:29,339 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 281 transitions. [2024-11-16 14:27:29,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-16 14:27:29,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:27:29,342 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] [2024-11-16 14:27:29,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 14:27:29,342 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:27:29,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:27:29,343 INFO L85 PathProgramCache]: Analyzing trace with hash -414501590, now seen corresponding path program 1 times [2024-11-16 14:27:29,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:27:29,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258974951] [2024-11-16 14:27:29,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:27:29,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:27:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:27:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:27:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:27:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:27:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:27:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:27:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:27:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:27:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:27:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:27:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:27:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:27:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:27:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:27:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:27:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:27:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:27:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:27:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:27:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:27:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:27:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:27:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:27:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:27:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:27:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:27:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:27:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:27:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:27:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:27:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:27:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:46,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 14:27:46,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:27:46,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258974951] [2024-11-16 14:27:46,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258974951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:27:46,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:27:46,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 14:27:46,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075922776] [2024-11-16 14:27:46,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:27:46,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 14:27:46,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:27:46,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 14:27:46,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-16 14:27:46,398 INFO L87 Difference]: Start difference. First operand 179 states and 281 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 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) [2024-11-16 14:27:49,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:27:49,464 INFO L93 Difference]: Finished difference Result 513 states and 790 transitions. [2024-11-16 14:27:49,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 14:27:49,464 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 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 [2024-11-16 14:27:49,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:27:49,467 INFO L225 Difference]: With dead ends: 513 [2024-11-16 14:27:49,467 INFO L226 Difference]: Without dead ends: 413 [2024-11-16 14:27:49,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2024-11-16 14:27:49,477 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 684 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 14:27:49,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 690 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 14:27:49,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-16 14:27:49,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 221. [2024-11-16 14:27:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 156 states have (on average 1.455128205128205) internal successors, (227), 156 states have internal predecessors, (227), 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) [2024-11-16 14:27:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 351 transitions. [2024-11-16 14:27:49,552 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 351 transitions. Word has length 204 [2024-11-16 14:27:49,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:27:49,553 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 351 transitions. [2024-11-16 14:27:49,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 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) [2024-11-16 14:27:49,557 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 351 transitions. [2024-11-16 14:27:49,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-16 14:27:49,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:27:49,562 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] [2024-11-16 14:27:49,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 14:27:49,562 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:27:49,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:27:49,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1093050219, now seen corresponding path program 1 times [2024-11-16 14:27:49,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:27:49,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237626393] [2024-11-16 14:27:49,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:27:49,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:27:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:27:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:27:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:27:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:27:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:27:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:27:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:27:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:27:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:27:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:27:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:27:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:27:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:27:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:27:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:27:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:27:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:27:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:27:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:27:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:27:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:27:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:27:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:27:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:27:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:27:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:27:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:27:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:27:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:27:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:27:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:27:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:27:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 14:27:49,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:27:49,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237626393] [2024-11-16 14:27:49,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237626393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:27:49,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:27:49,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 14:27:49,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650771462] [2024-11-16 14:27:49,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:27:49,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 14:27:49,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:27:49,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 14:27:49,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:27:49,849 INFO L87 Difference]: Start difference. First operand 221 states and 351 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2024-11-16 14:27:50,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:27:50,030 INFO L93 Difference]: Finished difference Result 430 states and 680 transitions. [2024-11-16 14:27:50,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 14:27:50,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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 [2024-11-16 14:27:50,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:27:50,035 INFO L225 Difference]: With dead ends: 430 [2024-11-16 14:27:50,035 INFO L226 Difference]: Without dead ends: 284 [2024-11-16 14:27:50,036 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 [2024-11-16 14:27:50,037 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 69 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 14:27:50,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 451 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 14:27:50,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-16 14:27:50,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2024-11-16 14:27:50,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 210 states have (on average 1.4333333333333333) internal successors, (301), 211 states have internal predecessors, (301), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 14:27:50,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 433 transitions. [2024-11-16 14:27:50,069 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 433 transitions. Word has length 204 [2024-11-16 14:27:50,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:27:50,069 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 433 transitions. [2024-11-16 14:27:50,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2024-11-16 14:27:50,069 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 433 transitions. [2024-11-16 14:27:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-16 14:27:50,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:27:50,073 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] [2024-11-16 14:27:50,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 14:27:50,073 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:27:50,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:27:50,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1411573943, now seen corresponding path program 1 times [2024-11-16 14:27:50,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:27:50,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748138568] [2024-11-16 14:27:50,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:27:50,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:27:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:28:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:28:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:28:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:28:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:28:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:28:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:28:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:28:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:28:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:28:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:28:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:28:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 14:28:00,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:00,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748138568] [2024-11-16 14:28:00,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748138568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:00,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:00,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 14:28:00,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984992097] [2024-11-16 14:28:00,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:00,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 14:28:00,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:00,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 14:28:00,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-16 14:28:00,376 INFO L87 Difference]: Start difference. First operand 280 states and 433 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 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) [2024-11-16 14:28:05,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:05,929 INFO L93 Difference]: Finished difference Result 757 states and 1128 transitions. [2024-11-16 14:28:05,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 14:28:05,930 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 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 [2024-11-16 14:28:05,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:05,933 INFO L225 Difference]: With dead ends: 757 [2024-11-16 14:28:05,934 INFO L226 Difference]: Without dead ends: 587 [2024-11-16 14:28:05,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2024-11-16 14:28:05,935 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 1157 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:05,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 870 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-16 14:28:05,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-16 14:28:05,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 299. [2024-11-16 14:28:05,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 229 states have (on average 1.4366812227074235) internal successors, (329), 230 states have internal predecessors, (329), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 14:28:05,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 461 transitions. [2024-11-16 14:28:05,964 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 461 transitions. Word has length 204 [2024-11-16 14:28:05,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:05,964 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 461 transitions. [2024-11-16 14:28:05,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 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) [2024-11-16 14:28:05,964 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 461 transitions. [2024-11-16 14:28:05,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-16 14:28:05,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:05,966 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] [2024-11-16 14:28:05,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 14:28:05,966 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:05,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:05,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1258973461, now seen corresponding path program 1 times [2024-11-16 14:28:05,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:05,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984438902] [2024-11-16 14:28:05,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:05,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:28:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:28:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:28:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:28:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:28:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:28:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:28:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:28:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:28:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:28:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:28:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:28:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 14:28:07,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:07,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984438902] [2024-11-16 14:28:07,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984438902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:07,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:07,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 14:28:07,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644085861] [2024-11-16 14:28:07,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:07,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 14:28:07,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:07,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 14:28:07,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-16 14:28:07,128 INFO L87 Difference]: Start difference. First operand 299 states and 461 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 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) [2024-11-16 14:28:08,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:08,309 INFO L93 Difference]: Finished difference Result 797 states and 1208 transitions. [2024-11-16 14:28:08,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 14:28:08,310 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), 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 204 [2024-11-16 14:28:08,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:08,315 INFO L225 Difference]: With dead ends: 797 [2024-11-16 14:28:08,315 INFO L226 Difference]: Without dead ends: 621 [2024-11-16 14:28:08,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-11-16 14:28:08,319 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 915 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:08,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 846 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 14:28:08,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-11-16 14:28:08,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 317. [2024-11-16 14:28:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 247 states have (on average 1.4453441295546559) internal successors, (357), 248 states have internal predecessors, (357), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 14:28:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 489 transitions. [2024-11-16 14:28:08,348 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 489 transitions. Word has length 204 [2024-11-16 14:28:08,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:08,348 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 489 transitions. [2024-11-16 14:28:08,349 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), 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) [2024-11-16 14:28:08,349 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 489 transitions. [2024-11-16 14:28:08,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-16 14:28:08,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:08,350 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] [2024-11-16 14:28:08,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 14:28:08,351 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:08,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:08,351 INFO L85 PathProgramCache]: Analyzing trace with hash 845337064, now seen corresponding path program 1 times [2024-11-16 14:28:08,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:08,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960565408] [2024-11-16 14:28:08,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:08,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:28:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:28:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:28:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:28:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:08,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:28:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:09,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:09,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:28:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:09,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:09,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:28:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:09,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:09,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:28:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:09,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:28:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:09,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:28:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:09,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:28:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:09,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:28:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 14:28:09,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:09,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960565408] [2024-11-16 14:28:09,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960565408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:09,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:09,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 14:28:09,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267550594] [2024-11-16 14:28:09,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:09,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 14:28:09,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:09,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 14:28:09,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 14:28:09,051 INFO L87 Difference]: Start difference. First operand 317 states and 489 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 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) [2024-11-16 14:28:09,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:09,546 INFO L93 Difference]: Finished difference Result 701 states and 1071 transitions. [2024-11-16 14:28:09,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 14:28:09,547 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), 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 204 [2024-11-16 14:28:09,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:09,550 INFO L225 Difference]: With dead ends: 701 [2024-11-16 14:28:09,550 INFO L226 Difference]: Without dead ends: 522 [2024-11-16 14:28:09,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2024-11-16 14:28:09,551 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 612 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:09,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 821 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 14:28:09,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-16 14:28:09,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 313. [2024-11-16 14:28:09,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 243 states have (on average 1.440329218106996) internal successors, (350), 244 states have internal predecessors, (350), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 14:28:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 482 transitions. [2024-11-16 14:28:09,581 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 482 transitions. Word has length 204 [2024-11-16 14:28:09,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:09,582 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 482 transitions. [2024-11-16 14:28:09,582 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), 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) [2024-11-16 14:28:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 482 transitions. [2024-11-16 14:28:09,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-16 14:28:09,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:09,584 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] [2024-11-16 14:28:09,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 14:28:09,585 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:09,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:09,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1739905458, now seen corresponding path program 1 times [2024-11-16 14:28:09,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:09,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323799247] [2024-11-16 14:28:09,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:09,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:28:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:28:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:28:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:28:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:28:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:28:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:28:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:28:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:28:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:28:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:28:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:28:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 14:28:21,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:21,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323799247] [2024-11-16 14:28:21,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323799247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:21,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:21,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 14:28:21,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425440119] [2024-11-16 14:28:21,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:21,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 14:28:21,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:21,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 14:28:21,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-16 14:28:21,352 INFO L87 Difference]: Start difference. First operand 313 states and 482 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 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) [2024-11-16 14:28:24,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:24,859 INFO L93 Difference]: Finished difference Result 704 states and 1067 transitions. [2024-11-16 14:28:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 14:28:24,860 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 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 205 [2024-11-16 14:28:24,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:24,862 INFO L225 Difference]: With dead ends: 704 [2024-11-16 14:28:24,862 INFO L226 Difference]: Without dead ends: 534 [2024-11-16 14:28:24,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-16 14:28:24,863 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 976 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:24,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 786 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 14:28:24,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-16 14:28:24,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 323. [2024-11-16 14:28:24,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 253 states have (on average 1.4505928853754941) internal successors, (367), 254 states have internal predecessors, (367), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 14:28:24,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 499 transitions. [2024-11-16 14:28:24,884 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 499 transitions. Word has length 205 [2024-11-16 14:28:24,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:24,884 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 499 transitions. [2024-11-16 14:28:24,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 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) [2024-11-16 14:28:24,884 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 499 transitions. [2024-11-16 14:28:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-16 14:28:24,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:24,887 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] [2024-11-16 14:28:24,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 14:28:24,887 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:24,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:24,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1710589967, now seen corresponding path program 1 times [2024-11-16 14:28:24,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:24,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842778319] [2024-11-16 14:28:24,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:24,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:28:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:28:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:28:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:28:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:28:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:28:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:28:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:28:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:28:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:28:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:28:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:28:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 14:28:34,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:34,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842778319] [2024-11-16 14:28:34,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842778319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:34,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:34,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 14:28:34,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687473380] [2024-11-16 14:28:34,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:34,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 14:28:34,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:34,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 14:28:34,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-16 14:28:34,616 INFO L87 Difference]: Start difference. First operand 323 states and 499 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 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) [2024-11-16 14:28:36,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:36,963 INFO L93 Difference]: Finished difference Result 684 states and 1041 transitions. [2024-11-16 14:28:36,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 14:28:36,964 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 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 205 [2024-11-16 14:28:36,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:36,968 INFO L225 Difference]: With dead ends: 684 [2024-11-16 14:28:36,968 INFO L226 Difference]: Without dead ends: 514 [2024-11-16 14:28:36,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-16 14:28:36,971 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 834 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:36,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 833 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 14:28:36,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-16 14:28:36,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 323. [2024-11-16 14:28:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 253 states have (on average 1.4505928853754941) internal successors, (367), 254 states have internal predecessors, (367), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 14:28:36,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 499 transitions. [2024-11-16 14:28:36,993 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 499 transitions. Word has length 205 [2024-11-16 14:28:36,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:36,994 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 499 transitions. [2024-11-16 14:28:36,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 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) [2024-11-16 14:28:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 499 transitions. [2024-11-16 14:28:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-16 14:28:36,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:36,995 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] [2024-11-16 14:28:36,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 14:28:36,996 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:36,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:36,997 INFO L85 PathProgramCache]: Analyzing trace with hash 2146237613, now seen corresponding path program 1 times [2024-11-16 14:28:36,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:36,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352050062] [2024-11-16 14:28:36,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:36,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:28:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:28:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:28:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:28:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:28:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:28:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:28:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:28:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:28:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:28:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:28:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:28:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 14:28:37,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:37,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352050062] [2024-11-16 14:28:37,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352050062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:37,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:37,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 14:28:37,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375081279] [2024-11-16 14:28:37,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:37,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 14:28:37,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:37,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 14:28:37,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 14:28:37,726 INFO L87 Difference]: Start difference. First operand 323 states and 499 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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) [2024-11-16 14:28:38,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:38,800 INFO L93 Difference]: Finished difference Result 705 states and 1079 transitions. [2024-11-16 14:28:38,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 14:28:38,801 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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 205 [2024-11-16 14:28:38,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:38,803 INFO L225 Difference]: With dead ends: 705 [2024-11-16 14:28:38,804 INFO L226 Difference]: Without dead ends: 523 [2024-11-16 14:28:38,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-16 14:28:38,805 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 802 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:38,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 671 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 14:28:38,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-16 14:28:38,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 323. [2024-11-16 14:28:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 253 states have (on average 1.4387351778656126) internal successors, (364), 254 states have internal predecessors, (364), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 14:28:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 496 transitions. [2024-11-16 14:28:38,829 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 496 transitions. Word has length 205 [2024-11-16 14:28:38,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:38,830 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 496 transitions. [2024-11-16 14:28:38,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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) [2024-11-16 14:28:38,831 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 496 transitions. [2024-11-16 14:28:38,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-16 14:28:38,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:38,832 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] [2024-11-16 14:28:38,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 14:28:38,832 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:38,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:38,833 INFO L85 PathProgramCache]: Analyzing trace with hash -495140977, now seen corresponding path program 1 times [2024-11-16 14:28:38,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:38,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409707921] [2024-11-16 14:28:38,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:38,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat