./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.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 49a7910a640b9ef8dea3798033f5d3f27279f235dab211562519047fb85b8da0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 07:27:59,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 07:27:59,853 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 07:27:59,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 07:27:59,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 07:27:59,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 07:27:59,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 07:27:59,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 07:27:59,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 07:27:59,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 07:27:59,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 07:27:59,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 07:27:59,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 07:27:59,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 07:27:59,895 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 07:27:59,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 07:27:59,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 07:27:59,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 07:27:59,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 07:27:59,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 07:27:59,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 07:27:59,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 07:27:59,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 07:27:59,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 07:27:59,900 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 07:27:59,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 07:27:59,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 07:27:59,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 07:27:59,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 07:27:59,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 07:27:59,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 07:27:59,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 07:27:59,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:27:59,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 07:27:59,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 07:27:59,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 07:27:59,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 07:27:59,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 07:27:59,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 07:27:59,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 07:27:59,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 07:27:59,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 07:27:59,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49a7910a640b9ef8dea3798033f5d3f27279f235dab211562519047fb85b8da0 [2024-10-14 07:28:00,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 07:28:00,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 07:28:00,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 07:28:00,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 07:28:00,190 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 07:28:00,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i [2024-10-14 07:28:01,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 07:28:01,896 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 07:28:01,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i [2024-10-14 07:28:01,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e107dca10/620698b8b2ae42698341d024c6d59817/FLAGa0a66eea6 [2024-10-14 07:28:02,252 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e107dca10/620698b8b2ae42698341d024c6d59817 [2024-10-14 07:28:02,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 07:28:02,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 07:28:02,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 07:28:02,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 07:28:02,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 07:28:02,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301f6c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02, skipping insertion in model container [2024-10-14 07:28:02,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 07:28:02,444 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i[913,926] [2024-10-14 07:28:02,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:28:02,536 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 07:28:02,553 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i[913,926] [2024-10-14 07:28:02,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:28:02,673 INFO L204 MainTranslator]: Completed translation [2024-10-14 07:28:02,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02 WrapperNode [2024-10-14 07:28:02,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 07:28:02,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 07:28:02,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 07:28:02,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 07:28:02,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,787 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2024-10-14 07:28:02,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 07:28:02,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 07:28:02,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 07:28:02,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 07:28:02,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,806 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,844 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 07:28:02,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 07:28:02,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 07:28:02,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 07:28:02,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 07:28:02,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (1/1) ... [2024-10-14 07:28:02,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:28:02,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 07:28:02,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 07:28:02,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 07:28:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 07:28:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 07:28:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 07:28:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 07:28:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 07:28:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 07:28:03,064 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 07:28:03,066 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 07:28:03,455 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-14 07:28:03,456 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 07:28:03,491 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 07:28:03,492 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 07:28:03,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:28:03 BoogieIcfgContainer [2024-10-14 07:28:03,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 07:28:03,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 07:28:03,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 07:28:03,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 07:28:03,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:28:02" (1/3) ... [2024-10-14 07:28:03,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660bfadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:28:03, skipping insertion in model container [2024-10-14 07:28:03,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:28:02" (2/3) ... [2024-10-14 07:28:03,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660bfadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:28:03, skipping insertion in model container [2024-10-14 07:28:03,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:28:03" (3/3) ... [2024-10-14 07:28:03,505 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-28.i [2024-10-14 07:28:03,524 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 07:28:03,525 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 07:28:03,592 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 07:28:03,600 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;@60b23452, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 07:28:03,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 07:28:03,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 47 states have internal predecessors, (65), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 07:28:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:28:03,628 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:28:03,629 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:28:03,630 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:28:03,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:28:03,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1181319443, now seen corresponding path program 1 times [2024-10-14 07:28:03,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:28:03,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006123379] [2024-10-14 07:28:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:28:03,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:28:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:28:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:03,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:28:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:03,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:28:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:03,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:28:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:28:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:28:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:28:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:28:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:28:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:28:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:28:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:28:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:28:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:28:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:28:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:28:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:28:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:28:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:28:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:28:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:28:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:28:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:28:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:28:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:28:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:28:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:28:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 07:28:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 07:28:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 07:28:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 07:28:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 07:28:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:28:04,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:28:04,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006123379] [2024-10-14 07:28:04,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006123379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:28:04,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:28:04,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 07:28:04,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15828308] [2024-10-14 07:28:04,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:28:04,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 07:28:04,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:28:04,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 07:28:04,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:28:04,232 INFO L87 Difference]: Start difference. First operand has 81 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 47 states have internal predecessors, (65), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-14 07:28:04,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:28:04,275 INFO L93 Difference]: Finished difference Result 159 states and 288 transitions. [2024-10-14 07:28:04,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 07:28:04,278 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 192 [2024-10-14 07:28:04,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:28:04,286 INFO L225 Difference]: With dead ends: 159 [2024-10-14 07:28:04,287 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 07:28:04,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:28:04,297 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:28:04,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:28:04,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 07:28:04,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-14 07:28:04,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 45 states have internal predecessors, (60), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 07:28:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 124 transitions. [2024-10-14 07:28:04,390 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 124 transitions. Word has length 192 [2024-10-14 07:28:04,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:28:04,392 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 124 transitions. [2024-10-14 07:28:04,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-14 07:28:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2024-10-14 07:28:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:28:04,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:28:04,400 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:28:04,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 07:28:04,401 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:28:04,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:28:04,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2105883109, now seen corresponding path program 1 times [2024-10-14 07:28:04,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:28:04,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109073118] [2024-10-14 07:28:04,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:28:04,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:28:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:28:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:28:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:28:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:28:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:28:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:28:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:28:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:28:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:28:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:28:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:28:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:28:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:28:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:28:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:28:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:28:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:28:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:28:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:28:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:28:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:28:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:28:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:28:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:28:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:28:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:28:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:28:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 07:28:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 07:28:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 07:28:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 07:28:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 07:28:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:28:55,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:28:55,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109073118] [2024-10-14 07:28:55,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109073118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:28:55,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:28:55,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 07:28:55,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683937354] [2024-10-14 07:28:55,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:28:55,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 07:28:55,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:28:55,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 07:28:55,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 07:28:55,831 INFO L87 Difference]: Start difference. First operand 79 states and 124 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:28:56,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:28:56,928 INFO L93 Difference]: Finished difference Result 221 states and 345 transitions. [2024-10-14 07:28:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 07:28:56,930 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-14 07:28:56,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:28:56,934 INFO L225 Difference]: With dead ends: 221 [2024-10-14 07:28:56,934 INFO L226 Difference]: Without dead ends: 143 [2024-10-14 07:28:56,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-14 07:28:56,940 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 109 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 07:28:56,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 491 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 07:28:56,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-10-14 07:28:56,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 91. [2024-10-14 07:28:56,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 57 states have internal predecessors, (81), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 07:28:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 145 transitions. [2024-10-14 07:28:56,968 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 145 transitions. Word has length 192 [2024-10-14 07:28:56,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:28:56,969 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 145 transitions. [2024-10-14 07:28:56,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:28:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2024-10-14 07:28:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:28:56,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:28:56,978 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:28:56,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 07:28:56,978 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:28:56,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:28:56,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1404818531, now seen corresponding path program 1 times [2024-10-14 07:28:56,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:28:56,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931621202] [2024-10-14 07:28:56,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:28:56,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:28:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:28:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:28:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:28:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:28:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:28:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:28:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:28:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:28:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:28:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:28:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:28:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:28:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:28:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:28:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:28:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:28:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:28:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:28:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:28:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:28:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:28:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:28:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:28:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:28:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:28:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:28:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:28:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 07:28:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 07:28:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 07:28:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 07:28:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 07:28:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:28:57,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:28:57,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931621202] [2024-10-14 07:28:57,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931621202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:28:57,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:28:57,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 07:28:57,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027799] [2024-10-14 07:28:57,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:28:57,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 07:28:57,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:28:57,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 07:28:57,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:28:57,149 INFO L87 Difference]: Start difference. First operand 91 states and 145 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:28:57,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:28:57,207 INFO L93 Difference]: Finished difference Result 259 states and 412 transitions. [2024-10-14 07:28:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 07:28:57,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-14 07:28:57,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:28:57,210 INFO L225 Difference]: With dead ends: 259 [2024-10-14 07:28:57,210 INFO L226 Difference]: Without dead ends: 169 [2024-10-14 07:28:57,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:28:57,216 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 116 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:28:57,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 348 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:28:57,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-14 07:28:57,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2024-10-14 07:28:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 100 states have (on average 1.36) internal successors, (136), 100 states have internal predecessors, (136), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-14 07:28:57,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 264 transitions. [2024-10-14 07:28:57,260 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 264 transitions. Word has length 192 [2024-10-14 07:28:57,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:28:57,261 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 264 transitions. [2024-10-14 07:28:57,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:28:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 264 transitions. [2024-10-14 07:28:57,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:28:57,267 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:28:57,267 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:28:57,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 07:28:57,268 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:28:57,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:28:57,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1847717671, now seen corresponding path program 1 times [2024-10-14 07:28:57,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:28:57,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538104371] [2024-10-14 07:28:57,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:28:57,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:28:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:28:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:28:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:28:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:28:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:28:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:28:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:28:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:28:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:28:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:28:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:28:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:28:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:28:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:28:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:28:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:28:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:28:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:28:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:28:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:28:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:28:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:28:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:28:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:28:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:28:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:28:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:28:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 07:28:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 07:28:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 07:28:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 07:28:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 07:28:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:28:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:28:57,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:28:57,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538104371] [2024-10-14 07:28:57,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538104371] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:28:57,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:28:57,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 07:28:57,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542331067] [2024-10-14 07:28:57,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:28:57,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 07:28:57,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:28:57,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 07:28:57,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:28:57,622 INFO L87 Difference]: Start difference. First operand 167 states and 264 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:28:57,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:28:57,680 INFO L93 Difference]: Finished difference Result 487 states and 769 transitions. [2024-10-14 07:28:57,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 07:28:57,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-14 07:28:57,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:28:57,684 INFO L225 Difference]: With dead ends: 487 [2024-10-14 07:28:57,684 INFO L226 Difference]: Without dead ends: 321 [2024-10-14 07:28:57,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:28:57,693 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 65 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:28:57,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 261 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:28:57,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-14 07:28:57,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 243. [2024-10-14 07:28:57,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 143 states have (on average 1.3426573426573427) internal successors, (192), 143 states have internal predecessors, (192), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 07:28:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 384 transitions. [2024-10-14 07:28:57,736 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 384 transitions. Word has length 192 [2024-10-14 07:28:57,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:28:57,737 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 384 transitions. [2024-10-14 07:28:57,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:28:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 384 transitions. [2024-10-14 07:28:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 07:28:57,739 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:28:57,740 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:28:57,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 07:28:57,740 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:28:57,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:28:57,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2060355327, now seen corresponding path program 1 times [2024-10-14 07:28:57,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:28:57,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448390024] [2024-10-14 07:28:57,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:28:57,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:28:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat