./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_codestructure_dependencies_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 1035d962e39280c92969b9f7066ecadbc22a9f715d97d0ee182811f942c88e9b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:06:54,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:06:54,186 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:06:54,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:06:54,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:06:54,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:06:54,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:06:54,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:06:54,220 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:06:54,221 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:06:54,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:06:54,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:06:54,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:06:54,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:06:54,225 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:06:54,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:06:54,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:06:54,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:06:54,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:06:54,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:06:54,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:06:54,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:06:54,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:06:54,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:06:54,231 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:06:54,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:06:54,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:06:54,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:06:54,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:06:54,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:06:54,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:06:54,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:06:54,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:06:54,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:06:54,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:06:54,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:06:54,236 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:06:54,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:06:54,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:06:54,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:06:54,236 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:06:54,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:06:54,237 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1035d962e39280c92969b9f7066ecadbc22a9f715d97d0ee182811f942c88e9b [2024-11-12 01:06:54,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:06:54,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:06:54,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:06:54,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:06:54,527 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:06:54,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i [2024-11-12 01:06:55,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:06:56,153 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:06:56,154 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i [2024-11-12 01:06:56,170 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fa2ac5e7/3a4dd0b98bed4d7c884d5153b46c3cbe/FLAG48c4eeda4 [2024-11-12 01:06:56,183 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fa2ac5e7/3a4dd0b98bed4d7c884d5153b46c3cbe [2024-11-12 01:06:56,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:06:56,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:06:56,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:06:56,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:06:56,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:06:56,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b58718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56, skipping insertion in model container [2024-11-12 01:06:56,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:06:56,435 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_codestructure_dependencies_file-81.i[919,932] [2024-11-12 01:06:56,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:06:56,517 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:06:56,527 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_codestructure_dependencies_file-81.i[919,932] [2024-11-12 01:06:56,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:06:56,575 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:06:56,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56 WrapperNode [2024-11-12 01:06:56,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:06:56,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:06:56,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:06:56,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:06:56,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,640 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2024-11-12 01:06:56,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:06:56,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:06:56,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:06:56,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:06:56,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,661 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,684 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]. [2024-11-12 01:06:56,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:06:56,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:06:56,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:06:56,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:06:56,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (1/1) ... [2024-11-12 01:06:56,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:06:56,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:06:56,767 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) [2024-11-12 01:06:56,772 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 [2024-11-12 01:06:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:06:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:06:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:06:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:06:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:06:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:06:56,922 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:06:56,924 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:06:57,308 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-12 01:06:57,308 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:06:57,325 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:06:57,326 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:06:57,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:06:57 BoogieIcfgContainer [2024-11-12 01:06:57,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:06:57,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:06:57,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:06:57,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:06:57,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:06:56" (1/3) ... [2024-11-12 01:06:57,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cff8b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:06:57, skipping insertion in model container [2024-11-12 01:06:57,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:06:56" (2/3) ... [2024-11-12 01:06:57,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cff8b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:06:57, skipping insertion in model container [2024-11-12 01:06:57,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:06:57" (3/3) ... [2024-11-12 01:06:57,339 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-81.i [2024-11-12 01:06:57,359 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:06:57,359 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:06:57,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:06:57,440 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;@6b04bda8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:06:57,441 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:06:57,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 48 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 01:06:57,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-12 01:06:57,460 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:06:57,460 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:06:57,461 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:06:57,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:06:57,466 INFO L85 PathProgramCache]: Analyzing trace with hash -154945835, now seen corresponding path program 1 times [2024-11-12 01:06:57,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:06:57,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549511792] [2024-11-12 01:06:57,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:06:57,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:06:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:07:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:07:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:07:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:07:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:07:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:07:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:07:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:07:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:07:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:07:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:07:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:07:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:07:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:07:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:07:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:07:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:07:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:07:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:07:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:07:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:07:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:07:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:07:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:07:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:07:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:07:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 01:07:08,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:07:08,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549511792] [2024-11-12 01:07:08,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549511792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:07:08,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:07:08,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 01:07:08,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897987653] [2024-11-12 01:07:08,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:07:08,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 01:07:08,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:07:08,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 01:07:08,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:07:08,709 INFO L87 Difference]: Start difference. First operand has 76 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 48 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:10,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:07:10,874 INFO L93 Difference]: Finished difference Result 280 states and 497 transitions. [2024-11-12 01:07:10,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 01:07:10,878 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2024-11-12 01:07:10,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:07:10,887 INFO L225 Difference]: With dead ends: 280 [2024-11-12 01:07:10,888 INFO L226 Difference]: Without dead ends: 207 [2024-11-12 01:07:10,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-12 01:07:10,895 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 388 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:07:10,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 534 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 01:07:10,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-12 01:07:10,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 137. [2024-11-12 01:07:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 82 states have (on average 1.2926829268292683) internal successors, (106), 82 states have internal predecessors, (106), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 01:07:10,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 210 transitions. [2024-11-12 01:07:10,975 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 210 transitions. Word has length 162 [2024-11-12 01:07:10,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:07:10,976 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 210 transitions. [2024-11-12 01:07:10,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:10,977 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 210 transitions. [2024-11-12 01:07:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-12 01:07:10,983 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:07:10,984 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:07:10,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:07:10,985 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:07:10,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:07:10,986 INFO L85 PathProgramCache]: Analyzing trace with hash 546118743, now seen corresponding path program 1 times [2024-11-12 01:07:10,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:07:10,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455163579] [2024-11-12 01:07:10,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:07:10,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:07:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:18,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:07:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:18,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:07:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:18,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:07:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:18,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:07:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:18,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:07:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:18,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:07:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:18,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:07:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:18,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:07:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:07:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:07:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:07:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:07:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:07:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:07:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:07:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:07:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:07:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:07:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:07:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:07:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:07:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:07:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:07:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:07:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:07:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:07:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 01:07:19,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:07:19,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455163579] [2024-11-12 01:07:19,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455163579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:07:19,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:07:19,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 01:07:19,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844001493] [2024-11-12 01:07:19,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:07:19,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 01:07:19,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:07:19,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 01:07:19,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:07:19,182 INFO L87 Difference]: Start difference. First operand 137 states and 210 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 01:07:20,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:07:20,371 INFO L93 Difference]: Finished difference Result 295 states and 441 transitions. [2024-11-12 01:07:20,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 01:07:20,373 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 162 [2024-11-12 01:07:20,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:07:20,376 INFO L225 Difference]: With dead ends: 295 [2024-11-12 01:07:20,376 INFO L226 Difference]: Without dead ends: 226 [2024-11-12 01:07:20,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-12 01:07:20,380 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 461 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 01:07:20,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 576 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 01:07:20,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-12 01:07:20,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 140. [2024-11-12 01:07:20,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 85 states have (on average 1.3176470588235294) internal successors, (112), 85 states have internal predecessors, (112), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 01:07:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 216 transitions. [2024-11-12 01:07:20,422 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 216 transitions. Word has length 162 [2024-11-12 01:07:20,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:07:20,423 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 216 transitions. [2024-11-12 01:07:20,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 01:07:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 216 transitions. [2024-11-12 01:07:20,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-12 01:07:20,429 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:07:20,430 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:07:20,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 01:07:20,430 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:07:20,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:07:20,430 INFO L85 PathProgramCache]: Analyzing trace with hash 804284181, now seen corresponding path program 1 times [2024-11-12 01:07:20,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:07:20,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018868341] [2024-11-12 01:07:20,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:07:20,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:07:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:07:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:07:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:07:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:07:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:07:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:07:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:07:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:07:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:07:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:07:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:07:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:07:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:07:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:07:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:07:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:07:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:07:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:07:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:07:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:07:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:07:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:07:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:07:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:07:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:07:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:07:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 01:07:21,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:07:21,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018868341] [2024-11-12 01:07:21,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018868341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:07:21,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:07:21,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 01:07:21,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700068802] [2024-11-12 01:07:21,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:07:21,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 01:07:21,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:07:21,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 01:07:21,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 01:07:21,658 INFO L87 Difference]: Start difference. First operand 140 states and 216 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 01:07:22,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:07:22,334 INFO L93 Difference]: Finished difference Result 273 states and 417 transitions. [2024-11-12 01:07:22,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 01:07:22,335 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 162 [2024-11-12 01:07:22,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:07:22,338 INFO L225 Difference]: With dead ends: 273 [2024-11-12 01:07:22,338 INFO L226 Difference]: Without dead ends: 186 [2024-11-12 01:07:22,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-12 01:07:22,343 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 299 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 01:07:22,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 390 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 01:07:22,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-12 01:07:22,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 142. [2024-11-12 01:07:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 87 states have (on average 1.2988505747126438) internal successors, (113), 87 states have internal predecessors, (113), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 01:07:22,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 217 transitions. [2024-11-12 01:07:22,383 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 217 transitions. Word has length 162 [2024-11-12 01:07:22,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:07:22,384 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 217 transitions. [2024-11-12 01:07:22,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 01:07:22,384 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 217 transitions. [2024-11-12 01:07:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-12 01:07:22,390 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:07:22,390 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:07:22,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 01:07:22,391 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:07:22,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:07:22,391 INFO L85 PathProgramCache]: Analyzing trace with hash -741751849, now seen corresponding path program 1 times [2024-11-12 01:07:22,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:07:22,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257142924] [2024-11-12 01:07:22,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:07:22,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:07:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:07:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:07:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:07:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:07:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:07:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:07:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:07:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:07:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:07:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:07:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:07:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:07:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:07:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:07:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:07:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:07:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:07:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:07:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:07:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:07:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:07:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:07:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:07:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:07:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:07:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:07:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 01:07:26,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:07:26,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257142924] [2024-11-12 01:07:26,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257142924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:07:26,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:07:26,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 01:07:26,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512940401] [2024-11-12 01:07:26,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:07:26,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:07:26,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:07:26,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:07:26,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:07:26,824 INFO L87 Difference]: Start difference. First operand 142 states and 217 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:27,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:07:27,319 INFO L93 Difference]: Finished difference Result 270 states and 408 transitions. [2024-11-12 01:07:27,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:07:27,320 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2024-11-12 01:07:27,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:07:27,323 INFO L225 Difference]: With dead ends: 270 [2024-11-12 01:07:27,326 INFO L226 Difference]: Without dead ends: 201 [2024-11-12 01:07:27,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:07:27,328 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 118 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:07:27,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 332 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 01:07:27,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-12 01:07:27,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 144. [2024-11-12 01:07:27,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 89 states have (on average 1.3146067415730338) internal successors, (117), 89 states have internal predecessors, (117), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 01:07:27,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 221 transitions. [2024-11-12 01:07:27,366 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 221 transitions. Word has length 162 [2024-11-12 01:07:27,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:07:27,368 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 221 transitions. [2024-11-12 01:07:27,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2024-11-12 01:07:27,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-12 01:07:27,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:07:27,374 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:07:27,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 01:07:27,375 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:07:27,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:07:27,375 INFO L85 PathProgramCache]: Analyzing trace with hash -40687271, now seen corresponding path program 1 times [2024-11-12 01:07:27,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:07:27,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429655045] [2024-11-12 01:07:27,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:07:27,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:07:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:07:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:07:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:07:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:07:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:07:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:07:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:07:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:07:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:07:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:07:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:07:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:07:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:07:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:07:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:07:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:07:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:07:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:07:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:07:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:07:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:07:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:07:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:07:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:07:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:07:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:07:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 01:07:31,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:07:31,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429655045] [2024-11-12 01:07:31,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429655045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:07:31,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:07:31,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 01:07:31,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593617271] [2024-11-12 01:07:31,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:07:31,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:07:31,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:07:31,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:07:31,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:07:31,762 INFO L87 Difference]: Start difference. First operand 144 states and 221 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:32,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:07:32,232 INFO L93 Difference]: Finished difference Result 245 states and 372 transitions. [2024-11-12 01:07:32,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:07:32,233 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2024-11-12 01:07:32,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:07:32,235 INFO L225 Difference]: With dead ends: 245 [2024-11-12 01:07:32,235 INFO L226 Difference]: Without dead ends: 157 [2024-11-12 01:07:32,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:07:32,236 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 80 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:07:32,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 320 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 01:07:32,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-12 01:07:32,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 135. [2024-11-12 01:07:32,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 80 states have (on average 1.3) internal successors, (104), 80 states have internal predecessors, (104), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 01:07:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 208 transitions. [2024-11-12 01:07:32,257 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 208 transitions. Word has length 162 [2024-11-12 01:07:32,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:07:32,258 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 208 transitions. [2024-11-12 01:07:32,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:32,259 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 208 transitions. [2024-11-12 01:07:32,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 01:07:32,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:07:32,261 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:07:32,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 01:07:32,262 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:07:32,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:07:32,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1676475118, now seen corresponding path program 1 times [2024-11-12 01:07:32,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:07:32,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006791747] [2024-11-12 01:07:32,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:07:32,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:07:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:07:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:07:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:07:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:07:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:07:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:07:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:07:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:07:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:07:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:07:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:07:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:07:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:07:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:07:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:07:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:07:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:07:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:07:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:07:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:07:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:07:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:07:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:07:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:07:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:07:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:07:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 01:07:32,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:07:32,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006791747] [2024-11-12 01:07:32,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006791747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:07:32,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:07:32,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:07:32,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019628054] [2024-11-12 01:07:32,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:07:32,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:07:32,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:07:32,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:07:32,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:07:32,367 INFO L87 Difference]: Start difference. First operand 135 states and 208 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:32,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:07:32,406 INFO L93 Difference]: Finished difference Result 256 states and 387 transitions. [2024-11-12 01:07:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:07:32,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 01:07:32,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:07:32,409 INFO L225 Difference]: With dead ends: 256 [2024-11-12 01:07:32,409 INFO L226 Difference]: Without dead ends: 175 [2024-11-12 01:07:32,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:07:32,411 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 44 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:07:32,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 223 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:07:32,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-12 01:07:32,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172. [2024-11-12 01:07:32,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 111 states have (on average 1.3153153153153154) internal successors, (146), 112 states have internal predecessors, (146), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 01:07:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 258 transitions. [2024-11-12 01:07:32,433 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 258 transitions. Word has length 163 [2024-11-12 01:07:32,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:07:32,434 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 258 transitions. [2024-11-12 01:07:32,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 258 transitions. [2024-11-12 01:07:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 01:07:32,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:07:32,436 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:07:32,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 01:07:32,436 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:07:32,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:07:32,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1283448108, now seen corresponding path program 1 times [2024-11-12 01:07:32,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:07:32,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538445853] [2024-11-12 01:07:32,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:07:32,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:07:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:07:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:07:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:07:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:07:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:07:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:07:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:07:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:07:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:07:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:07:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:07:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:07:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:07:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:07:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:07:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:07:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:07:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:07:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:07:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:07:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:07:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:07:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:07:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:07:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:07:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:07:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:37,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 01:07:37,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:07:37,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538445853] [2024-11-12 01:07:37,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538445853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:07:37,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:07:37,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 01:07:37,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141913051] [2024-11-12 01:07:37,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:07:37,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 01:07:37,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:07:37,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 01:07:37,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:07:37,099 INFO L87 Difference]: Start difference. First operand 172 states and 258 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:37,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:07:37,636 INFO L93 Difference]: Finished difference Result 373 states and 549 transitions. [2024-11-12 01:07:37,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 01:07:37,637 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 01:07:37,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:07:37,640 INFO L225 Difference]: With dead ends: 373 [2024-11-12 01:07:37,640 INFO L226 Difference]: Without dead ends: 261 [2024-11-12 01:07:37,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-12 01:07:37,642 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 157 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:07:37,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 506 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 01:07:37,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-12 01:07:37,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 182. [2024-11-12 01:07:37,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 121 states have (on average 1.322314049586777) internal successors, (160), 122 states have internal predecessors, (160), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 01:07:37,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 272 transitions. [2024-11-12 01:07:37,662 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 272 transitions. Word has length 163 [2024-11-12 01:07:37,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:07:37,662 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 272 transitions. [2024-11-12 01:07:37,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:37,663 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 272 transitions. [2024-11-12 01:07:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 01:07:37,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:07:37,666 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:07:37,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 01:07:37,666 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:07:37,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:07:37,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1984512686, now seen corresponding path program 1 times [2024-11-12 01:07:37,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:07:37,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493724653] [2024-11-12 01:07:37,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:07:37,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:07:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:07:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:07:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:07:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:07:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:07:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:07:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:07:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:07:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:07:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:07:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:07:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:07:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:07:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:07:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:07:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:07:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:07:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:07:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:07:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:07:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:07:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:07:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:07:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:07:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:07:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:07:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 01:07:42,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:07:42,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493724653] [2024-11-12 01:07:42,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493724653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:07:42,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:07:42,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 01:07:42,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690049642] [2024-11-12 01:07:42,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:07:42,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 01:07:42,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:07:42,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 01:07:42,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 01:07:42,110 INFO L87 Difference]: Start difference. First operand 182 states and 272 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:42,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:07:42,517 INFO L93 Difference]: Finished difference Result 313 states and 466 transitions. [2024-11-12 01:07:42,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 01:07:42,517 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 01:07:42,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:07:42,519 INFO L225 Difference]: With dead ends: 313 [2024-11-12 01:07:42,519 INFO L226 Difference]: Without dead ends: 201 [2024-11-12 01:07:42,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:07:42,520 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 77 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:07:42,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 419 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 01:07:42,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-12 01:07:42,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 180. [2024-11-12 01:07:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 119 states have (on average 1.319327731092437) internal successors, (157), 120 states have internal predecessors, (157), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 01:07:42,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 269 transitions. [2024-11-12 01:07:42,542 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 269 transitions. Word has length 163 [2024-11-12 01:07:42,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:07:42,543 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 269 transitions. [2024-11-12 01:07:42,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 269 transitions. [2024-11-12 01:07:42,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 01:07:42,545 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:07:42,545 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:07:42,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 01:07:42,546 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:07:42,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:07:42,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1607374928, now seen corresponding path program 1 times [2024-11-12 01:07:42,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:07:42,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842536524] [2024-11-12 01:07:42,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:07:42,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:07:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:07:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:07:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:07:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:07:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:07:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:07:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:07:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:07:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:07:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:07:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:07:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:07:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:07:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:07:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:07:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:07:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:07:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:07:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:07:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:07:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:07:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:07:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:07:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:07:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:07:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:07:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 01:07:47,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:07:47,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842536524] [2024-11-12 01:07:47,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842536524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:07:47,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:07:47,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 01:07:47,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579638238] [2024-11-12 01:07:47,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:07:47,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 01:07:47,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:07:47,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 01:07:47,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:07:47,371 INFO L87 Difference]: Start difference. First operand 180 states and 269 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:52,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:07:52,210 INFO L93 Difference]: Finished difference Result 457 states and 658 transitions. [2024-11-12 01:07:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-12 01:07:52,211 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 01:07:52,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:07:52,213 INFO L225 Difference]: With dead ends: 457 [2024-11-12 01:07:52,214 INFO L226 Difference]: Without dead ends: 337 [2024-11-12 01:07:52,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2024-11-12 01:07:52,215 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 553 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 01:07:52,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 591 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 01:07:52,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-12 01:07:52,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 183. [2024-11-12 01:07:52,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 122 states have (on average 1.3278688524590163) internal successors, (162), 123 states have internal predecessors, (162), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 01:07:52,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 274 transitions. [2024-11-12 01:07:52,238 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 274 transitions. Word has length 163 [2024-11-12 01:07:52,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:07:52,240 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 274 transitions. [2024-11-12 01:07:52,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 274 transitions. [2024-11-12 01:07:52,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 01:07:52,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:07:52,241 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:07:52,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 01:07:52,242 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:07:52,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:07:52,242 INFO L85 PathProgramCache]: Analyzing trace with hash -2000401938, now seen corresponding path program 1 times [2024-11-12 01:07:52,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:07:52,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994902736] [2024-11-12 01:07:52,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:07:52,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:07:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:07:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:07:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:07:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:07:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:07:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:07:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:07:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:07:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:07:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:07:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:07:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:07:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:07:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:07:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:07:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:07:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:07:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:07:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:07:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:07:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:07:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:07:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:07:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:07:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:07:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:07:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:07:56,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 01:07:56,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:07:56,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994902736] [2024-11-12 01:07:56,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994902736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:07:56,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:07:56,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 01:07:56,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782643721] [2024-11-12 01:07:56,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:07:56,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:07:56,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:07:56,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:07:56,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:07:56,965 INFO L87 Difference]: Start difference. First operand 183 states and 274 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:57,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:07:57,689 INFO L93 Difference]: Finished difference Result 362 states and 532 transitions. [2024-11-12 01:07:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:07:57,690 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 01:07:57,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:07:57,692 INFO L225 Difference]: With dead ends: 362 [2024-11-12 01:07:57,692 INFO L226 Difference]: Without dead ends: 242 [2024-11-12 01:07:57,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-12 01:07:57,694 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 177 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 01:07:57,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 478 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 01:07:57,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-12 01:07:57,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 190. [2024-11-12 01:07:57,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 129 states have (on average 1.3488372093023255) internal successors, (174), 130 states have internal predecessors, (174), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 01:07:57,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 286 transitions. [2024-11-12 01:07:57,718 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 286 transitions. Word has length 163 [2024-11-12 01:07:57,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:07:57,720 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 286 transitions. [2024-11-12 01:07:57,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:07:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 286 transitions. [2024-11-12 01:07:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 01:07:57,722 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:07:57,722 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:07:57,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 01:07:57,722 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:07:57,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:07:57,723 INFO L85 PathProgramCache]: Analyzing trace with hash -906310350, now seen corresponding path program 1 times [2024-11-12 01:07:57,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:07:57,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988140289] [2024-11-12 01:07:57,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:07:57,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:07:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:08:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:08:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:08:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:08:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:08:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:08:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:08:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:08:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:08:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:08:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:08:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:08:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:08:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:08:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:08:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:08:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:08:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:08:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:08:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:08:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:08:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:08:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:08:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:08:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:08:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:08:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:08:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 01:08:02,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:08:02,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988140289] [2024-11-12 01:08:02,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988140289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:08:02,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:08:02,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 01:08:02,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134419308] [2024-11-12 01:08:02,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:08:02,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 01:08:02,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:08:02,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 01:08:02,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:08:02,213 INFO L87 Difference]: Start difference. First operand 190 states and 286 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:08:06,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:08:06,181 INFO L93 Difference]: Finished difference Result 473 states and 692 transitions. [2024-11-12 01:08:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 01:08:06,182 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 01:08:06,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:08:06,184 INFO L225 Difference]: With dead ends: 473 [2024-11-12 01:08:06,185 INFO L226 Difference]: Without dead ends: 346 [2024-11-12 01:08:06,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=214, Invalid=598, Unknown=0, NotChecked=0, Total=812 [2024-11-12 01:08:06,186 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 419 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 01:08:06,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 545 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 01:08:06,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-12 01:08:06,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 191. [2024-11-12 01:08:06,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 130 states have (on average 1.353846153846154) internal successors, (176), 131 states have internal predecessors, (176), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 01:08:06,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 288 transitions. [2024-11-12 01:08:06,205 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 288 transitions. Word has length 163 [2024-11-12 01:08:06,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:08:06,206 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 288 transitions. [2024-11-12 01:08:06,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 01:08:06,206 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 288 transitions. [2024-11-12 01:08:06,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 01:08:06,207 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:08:06,207 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:08:06,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 01:08:06,207 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:08:06,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:08:06,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1299337360, now seen corresponding path program 1 times [2024-11-12 01:08:06,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:08:06,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379087047] [2024-11-12 01:08:06,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:08:06,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:08:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat