./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_loopvsstraightlinecode_100-1loop_file-41.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 e65eb93a0bea84902412e0b48ab5e4fd562321985e4b649cbd53fd29acc1390f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 07:03:09,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 07:03:09,145 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 07:03:09,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 07:03:09,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 07:03:09,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 07:03:09,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 07:03:09,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 07:03:09,189 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 07:03:09,190 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 07:03:09,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 07:03:09,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 07:03:09,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 07:03:09,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 07:03:09,193 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 07:03:09,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 07:03:09,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 07:03:09,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 07:03:09,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 07:03:09,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 07:03:09,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 07:03:09,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 07:03:09,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 07:03:09,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 07:03:09,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 07:03:09,202 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 07:03:09,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 07:03:09,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 07:03:09,202 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 07:03:09,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 07:03:09,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 07:03:09,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 07:03:09,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:03:09,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 07:03:09,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 07:03:09,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 07:03:09,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 07:03:09,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 07:03:09,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 07:03:09,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 07:03:09,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 07:03:09,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 07:03:09,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65eb93a0bea84902412e0b48ab5e4fd562321985e4b649cbd53fd29acc1390f [2024-11-10 07:03:09,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 07:03:09,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 07:03:09,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 07:03:09,535 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 07:03:09,535 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 07:03:09,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-41.i [2024-11-10 07:03:11,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 07:03:11,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 07:03:11,362 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-41.i [2024-11-10 07:03:11,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb8c0e0c/ce3685b3d7804e0a967c19665ecfcaee/FLAGe01965d86 [2024-11-10 07:03:11,398 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb8c0e0c/ce3685b3d7804e0a967c19665ecfcaee [2024-11-10 07:03:11,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 07:03:11,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 07:03:11,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 07:03:11,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 07:03:11,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 07:03:11,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:11,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6750c7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11, skipping insertion in model container [2024-11-10 07:03:11,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:11,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 07:03:11,637 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_loopvsstraightlinecode_100-1loop_file-41.i[916,929] [2024-11-10 07:03:11,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:03:11,744 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 07:03:11,754 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_loopvsstraightlinecode_100-1loop_file-41.i[916,929] [2024-11-10 07:03:11,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:03:11,827 INFO L204 MainTranslator]: Completed translation [2024-11-10 07:03:11,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11 WrapperNode [2024-11-10 07:03:11,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 07:03:11,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 07:03:11,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 07:03:11,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 07:03:11,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:11,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:11,899 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 242 [2024-11-10 07:03:11,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 07:03:11,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 07:03:11,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 07:03:11,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 07:03:11,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:11,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:11,932 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:11,976 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]. [2024-11-10 07:03:11,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:11,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:11,998 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:12,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:12,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:12,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:12,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 07:03:12,035 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 07:03:12,036 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 07:03:12,036 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 07:03:12,038 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (1/1) ... [2024-11-10 07:03:12,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:03:12,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:03:12,076 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) [2024-11-10 07:03:12,079 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 [2024-11-10 07:03:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 07:03:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 07:03:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 07:03:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 07:03:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 07:03:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 07:03:12,239 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 07:03:12,242 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 07:03:12,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L191: havoc property_#t~bitwise24#1;havoc property_#t~short25#1; [2024-11-10 07:03:12,763 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-10 07:03:12,763 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 07:03:12,785 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 07:03:12,785 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 07:03:12,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:03:12 BoogieIcfgContainer [2024-11-10 07:03:12,786 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 07:03:12,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 07:03:12,788 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 07:03:12,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 07:03:12,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:03:11" (1/3) ... [2024-11-10 07:03:12,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194703af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:03:12, skipping insertion in model container [2024-11-10 07:03:12,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:11" (2/3) ... [2024-11-10 07:03:12,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194703af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:03:12, skipping insertion in model container [2024-11-10 07:03:12,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:03:12" (3/3) ... [2024-11-10 07:03:12,796 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-41.i [2024-11-10 07:03:12,816 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 07:03:12,816 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 07:03:12,878 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 07:03:12,883 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;@5ebf40c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 07:03:12,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 07:03:12,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 69 states have (on average 1.4202898550724639) internal successors, (98), 70 states have internal predecessors, (98), 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) [2024-11-10 07:03:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 07:03:12,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:12,901 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:12,902 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:12,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:12,906 INFO L85 PathProgramCache]: Analyzing trace with hash -471908075, now seen corresponding path program 1 times [2024-11-10 07:03:12,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:12,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026810877] [2024-11-10 07:03:12,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:12,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:03:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:03:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:03:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:03:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:03:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:03:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:03:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:03:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:03:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:03:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:03:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:03:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:03:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:03:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:03:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:03:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:03:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:03:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:03:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:03:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:03:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:03:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:03:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 07:03:13,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:13,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026810877] [2024-11-10 07:03:13,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026810877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:03:13,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:03:13,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:03:13,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514607777] [2024-11-10 07:03:13,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:03:13,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 07:03:13,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:13,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 07:03:13,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:03:13,561 INFO L87 Difference]: Start difference. First operand has 104 states, 69 states have (on average 1.4202898550724639) internal successors, (98), 70 states have internal predecessors, (98), 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 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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) [2024-11-10 07:03:13,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:13,609 INFO L93 Difference]: Finished difference Result 204 states and 352 transitions. [2024-11-10 07:03:13,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 07:03:13,613 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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 208 [2024-11-10 07:03:13,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:13,622 INFO L225 Difference]: With dead ends: 204 [2024-11-10 07:03:13,622 INFO L226 Difference]: Without dead ends: 99 [2024-11-10 07:03:13,628 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 [2024-11-10 07:03:13,633 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:13,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:03:13,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-10 07:03:13,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-10 07:03:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 65 states have internal predecessors, (90), 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) [2024-11-10 07:03:13,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 154 transitions. [2024-11-10 07:03:13,681 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 154 transitions. Word has length 208 [2024-11-10 07:03:13,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:13,682 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 154 transitions. [2024-11-10 07:03:13,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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) [2024-11-10 07:03:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 154 transitions. [2024-11-10 07:03:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 07:03:13,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:13,687 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:13,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 07:03:13,688 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:13,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:13,689 INFO L85 PathProgramCache]: Analyzing trace with hash 607614033, now seen corresponding path program 1 times [2024-11-10 07:03:13,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:13,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225513168] [2024-11-10 07:03:13,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:13,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:03:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:03:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:03:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:03:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:03:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:03:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:03:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:03:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:03:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:03:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:03:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:03:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:03:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:03:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:03:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:03:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:03:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:03:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:03:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:03:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:03:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:03:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:03:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 07:03:14,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:14,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225513168] [2024-11-10 07:03:14,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225513168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:03:14,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:03:14,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 07:03:14,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401085367] [2024-11-10 07:03:14,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:03:14,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 07:03:14,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:14,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 07:03:14,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:03:14,609 INFO L87 Difference]: Start difference. First operand 99 states and 154 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-10 07:03:14,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:14,707 INFO L93 Difference]: Finished difference Result 291 states and 456 transitions. [2024-11-10 07:03:14,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 07:03:14,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 208 [2024-11-10 07:03:14,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:14,715 INFO L225 Difference]: With dead ends: 291 [2024-11-10 07:03:14,716 INFO L226 Difference]: Without dead ends: 195 [2024-11-10 07:03:14,717 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 [2024-11-10 07:03:14,720 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 86 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:14,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:03:14,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-10 07:03:14,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2024-11-10 07:03:14,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 124 states have internal predecessors, (171), 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) [2024-11-10 07:03:14,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 299 transitions. [2024-11-10 07:03:14,777 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 299 transitions. Word has length 208 [2024-11-10 07:03:14,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:14,778 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 299 transitions. [2024-11-10 07:03:14,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-10 07:03:14,778 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 299 transitions. [2024-11-10 07:03:14,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 07:03:14,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:14,782 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:14,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 07:03:14,782 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:14,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:14,783 INFO L85 PathProgramCache]: Analyzing trace with hash -196323151, now seen corresponding path program 1 times [2024-11-10 07:03:14,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:14,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332884020] [2024-11-10 07:03:14,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:14,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:03:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:03:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:03:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:03:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:03:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:03:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:03:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:03:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:03:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:03:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:03:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:03:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:03:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:03:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:03:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:03:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:03:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:03:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:03:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:03:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:03:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:03:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:03:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 07:03:30,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:30,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332884020] [2024-11-10 07:03:30,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332884020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:03:30,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:03:30,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 07:03:30,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506142279] [2024-11-10 07:03:30,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:03:30,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 07:03:30,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:30,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 07:03:30,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-10 07:03:30,472 INFO L87 Difference]: Start difference. First operand 191 states and 299 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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) [2024-11-10 07:03:31,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:31,696 INFO L93 Difference]: Finished difference Result 656 states and 1006 transitions. [2024-11-10 07:03:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 07:03:31,697 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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 208 [2024-11-10 07:03:31,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:31,702 INFO L225 Difference]: With dead ends: 656 [2024-11-10 07:03:31,702 INFO L226 Difference]: Without dead ends: 468 [2024-11-10 07:03:31,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:03:31,704 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 450 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:31,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 728 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 07:03:31,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-10 07:03:31,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 272. [2024-11-10 07:03:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 191 states have (on average 1.4083769633507854) internal successors, (269), 192 states have internal predecessors, (269), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 07:03:31,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 421 transitions. [2024-11-10 07:03:31,753 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 421 transitions. Word has length 208 [2024-11-10 07:03:31,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:31,755 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 421 transitions. [2024-11-10 07:03:31,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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) [2024-11-10 07:03:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 421 transitions. [2024-11-10 07:03:31,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 07:03:31,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:31,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:31,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 07:03:31,763 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:31,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:31,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1048441330, now seen corresponding path program 1 times [2024-11-10 07:03:31,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:31,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172816900] [2024-11-10 07:03:31,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:31,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:03:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:03:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:03:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:03:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:03:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:03:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:03:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:03:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:03:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:03:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:03:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:03:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:03:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:03:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:03:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:03:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:03:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:03:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:03:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:03:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:03:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:03:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:03:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 07:03:31,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:31,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172816900] [2024-11-10 07:03:31,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172816900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:03:31,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:03:31,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 07:03:31,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790334658] [2024-11-10 07:03:31,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:03:31,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 07:03:31,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:31,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 07:03:31,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:03:31,947 INFO L87 Difference]: Start difference. First operand 272 states and 421 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-10 07:03:32,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:32,045 INFO L93 Difference]: Finished difference Result 696 states and 1069 transitions. [2024-11-10 07:03:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 07:03:32,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 208 [2024-11-10 07:03:32,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:32,055 INFO L225 Difference]: With dead ends: 696 [2024-11-10 07:03:32,055 INFO L226 Difference]: Without dead ends: 447 [2024-11-10 07:03:32,058 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 [2024-11-10 07:03:32,060 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 136 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:32,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 413 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:03:32,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-10 07:03:32,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 370. [2024-11-10 07:03:32,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 255 states have (on average 1.3725490196078431) internal successors, (350), 257 states have internal predecessors, (350), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 07:03:32,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 566 transitions. [2024-11-10 07:03:32,131 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 566 transitions. Word has length 208 [2024-11-10 07:03:32,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:32,132 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 566 transitions. [2024-11-10 07:03:32,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-10 07:03:32,132 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 566 transitions. [2024-11-10 07:03:32,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 07:03:32,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:32,135 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:32,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 07:03:32,135 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:32,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:32,136 INFO L85 PathProgramCache]: Analyzing trace with hash 211772658, now seen corresponding path program 1 times [2024-11-10 07:03:32,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:32,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394931982] [2024-11-10 07:03:32,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:32,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:03:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:03:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:03:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:03:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:03:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:03:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:03:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:03:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:03:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:03:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:03:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:03:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:03:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:03:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:03:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:03:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:03:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:03:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:03:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:03:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:03:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:03:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:03:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:32,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 07:03:32,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:32,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394931982] [2024-11-10 07:03:32,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394931982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:03:32,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:03:32,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:03:32,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530948681] [2024-11-10 07:03:32,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:03:32,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:03:32,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:32,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:03:32,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:03:32,550 INFO L87 Difference]: Start difference. First operand 370 states and 566 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (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) [2024-11-10 07:03:32,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:32,656 INFO L93 Difference]: Finished difference Result 767 states and 1170 transitions. [2024-11-10 07:03:32,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:03:32,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (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 208 [2024-11-10 07:03:32,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:32,662 INFO L225 Difference]: With dead ends: 767 [2024-11-10 07:03:32,662 INFO L226 Difference]: Without dead ends: 420 [2024-11-10 07:03:32,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:03:32,665 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 124 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:32,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 309 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:03:32,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-10 07:03:32,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 370. [2024-11-10 07:03:32,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 255 states have (on average 1.3647058823529412) internal successors, (348), 257 states have internal predecessors, (348), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 07:03:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 564 transitions. [2024-11-10 07:03:32,715 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 564 transitions. Word has length 208 [2024-11-10 07:03:32,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:32,716 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 564 transitions. [2024-11-10 07:03:32,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (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) [2024-11-10 07:03:32,716 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 564 transitions. [2024-11-10 07:03:32,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-10 07:03:32,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:32,718 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:32,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 07:03:32,718 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:32,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:32,719 INFO L85 PathProgramCache]: Analyzing trace with hash 17667075, now seen corresponding path program 1 times [2024-11-10 07:03:32,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:32,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914727539] [2024-11-10 07:03:32,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:32,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:03:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:03:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:03:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:03:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:03:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:03:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:03:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:03:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:03:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:03:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:03:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:03:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:03:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:03:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:03:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:03:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:03:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:03:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:03:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:03:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:03:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:03:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:03:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 07:03:33,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:33,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914727539] [2024-11-10 07:03:33,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914727539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:03:33,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:03:33,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:03:33,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48164527] [2024-11-10 07:03:33,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:03:33,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:03:33,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:33,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:03:33,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:03:33,101 INFO L87 Difference]: Start difference. First operand 370 states and 564 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (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) [2024-11-10 07:03:33,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:33,196 INFO L93 Difference]: Finished difference Result 591 states and 899 transitions. [2024-11-10 07:03:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:03:33,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (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 209 [2024-11-10 07:03:33,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:33,205 INFO L225 Difference]: With dead ends: 591 [2024-11-10 07:03:33,205 INFO L226 Difference]: Without dead ends: 451 [2024-11-10 07:03:33,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:03:33,207 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 110 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:33,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 451 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:03:33,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-10 07:03:33,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 379. [2024-11-10 07:03:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 264 states have (on average 1.3674242424242424) internal successors, (361), 266 states have internal predecessors, (361), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 07:03:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 577 transitions. [2024-11-10 07:03:33,245 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 577 transitions. Word has length 209 [2024-11-10 07:03:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:33,246 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 577 transitions. [2024-11-10 07:03:33,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (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) [2024-11-10 07:03:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 577 transitions. [2024-11-10 07:03:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-10 07:03:33,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:33,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:33,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 07:03:33,249 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:33,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:33,249 INFO L85 PathProgramCache]: Analyzing trace with hash -786270109, now seen corresponding path program 1 times [2024-11-10 07:03:33,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:33,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258498971] [2024-11-10 07:03:33,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:33,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:03:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:03:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:03:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:03:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:03:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:03:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:03:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:03:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:03:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:03:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:03:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:03:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:03:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:03:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:03:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:03:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:03:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:03:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:03:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:03:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:03:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:03:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:03:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 07:03:40,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:40,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258498971] [2024-11-10 07:03:40,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258498971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:03:40,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:03:40,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 07:03:40,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292274536] [2024-11-10 07:03:40,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:03:40,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 07:03:40,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:40,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 07:03:40,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-10 07:03:40,048 INFO L87 Difference]: Start difference. First operand 379 states and 577 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (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) [2024-11-10 07:03:40,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:40,909 INFO L93 Difference]: Finished difference Result 669 states and 1002 transitions. [2024-11-10 07:03:40,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 07:03:40,910 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (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 209 [2024-11-10 07:03:40,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:40,914 INFO L225 Difference]: With dead ends: 669 [2024-11-10 07:03:40,915 INFO L226 Difference]: Without dead ends: 520 [2024-11-10 07:03:40,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:03:40,918 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 498 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:40,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 652 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 07:03:40,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-11-10 07:03:40,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 373. [2024-11-10 07:03:40,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 258 states have (on average 1.3604651162790697) internal successors, (351), 260 states have internal predecessors, (351), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 07:03:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 567 transitions. [2024-11-10 07:03:40,957 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 567 transitions. Word has length 209 [2024-11-10 07:03:40,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:40,958 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 567 transitions. [2024-11-10 07:03:40,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (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) [2024-11-10 07:03:40,958 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 567 transitions. [2024-11-10 07:03:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-10 07:03:40,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:40,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:40,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 07:03:40,963 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:40,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:40,963 INFO L85 PathProgramCache]: Analyzing trace with hash 283024682, now seen corresponding path program 1 times [2024-11-10 07:03:40,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:40,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376863286] [2024-11-10 07:03:40,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:40,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:03:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:03:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:03:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:03:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:03:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:03:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:03:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:03:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:03:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:03:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:03:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:03:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:03:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:03:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:03:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:03:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:03:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:03:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:03:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:03:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:03:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:03:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:03:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 07:03:55,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:55,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376863286] [2024-11-10 07:03:55,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376863286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:03:55,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:03:55,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 07:03:55,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53336354] [2024-11-10 07:03:55,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:03:55,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 07:03:55,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:55,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 07:03:55,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:03:55,068 INFO L87 Difference]: Start difference. First operand 373 states and 567 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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) [2024-11-10 07:03:56,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:56,266 INFO L93 Difference]: Finished difference Result 860 states and 1288 transitions. [2024-11-10 07:03:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 07:03:56,268 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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 209 [2024-11-10 07:03:56,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:56,272 INFO L225 Difference]: With dead ends: 860 [2024-11-10 07:03:56,272 INFO L226 Difference]: Without dead ends: 510 [2024-11-10 07:03:56,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:03:56,275 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 394 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:56,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 853 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 07:03:56,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-10 07:03:56,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 375. [2024-11-10 07:03:56,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 260 states have (on average 1.3653846153846154) internal successors, (355), 262 states have internal predecessors, (355), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 07:03:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 571 transitions. [2024-11-10 07:03:56,351 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 571 transitions. Word has length 209 [2024-11-10 07:03:56,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:56,352 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 571 transitions. [2024-11-10 07:03:56,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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) [2024-11-10 07:03:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 571 transitions. [2024-11-10 07:03:56,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-10 07:03:56,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:56,356 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:56,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 07:03:56,356 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:56,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:56,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1099324994, now seen corresponding path program 1 times [2024-11-10 07:03:56,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:56,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88568690] [2024-11-10 07:03:56,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:56,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:03:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:03:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:03:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:03:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:03:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:03:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:03:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:03:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:03:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:03:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:03:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:03:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:03:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:03:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:03:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:03:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:03:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:03:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:03:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:03:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:03:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:03:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:03:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:56,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 07:03:56,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:56,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88568690] [2024-11-10 07:03:56,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88568690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:03:56,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:03:56,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:03:56,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757938648] [2024-11-10 07:03:56,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:03:56,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:03:56,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:56,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:03:56,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:03:56,856 INFO L87 Difference]: Start difference. First operand 375 states and 571 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-11-10 07:03:56,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:56,984 INFO L93 Difference]: Finished difference Result 805 states and 1219 transitions. [2024-11-10 07:03:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 07:03:56,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 209 [2024-11-10 07:03:56,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:56,990 INFO L225 Difference]: With dead ends: 805 [2024-11-10 07:03:56,990 INFO L226 Difference]: Without dead ends: 440 [2024-11-10 07:03:56,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:03:56,992 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 324 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:56,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 315 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:03:56,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-10 07:03:57,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 377. [2024-11-10 07:03:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 262 states have (on average 1.3549618320610688) internal successors, (355), 264 states have internal predecessors, (355), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 07:03:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 571 transitions. [2024-11-10 07:03:57,038 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 571 transitions. Word has length 209 [2024-11-10 07:03:57,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:57,039 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 571 transitions. [2024-11-10 07:03:57,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-11-10 07:03:57,040 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 571 transitions. [2024-11-10 07:03:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-10 07:03:57,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:57,043 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:57,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 07:03:57,044 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:57,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:57,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1950877821, now seen corresponding path program 1 times [2024-11-10 07:03:57,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:57,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188687346] [2024-11-10 07:03:57,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:57,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:03:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:03:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:03:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:03:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:03:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:03:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:03:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:03:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:03:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:03:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:03:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:03:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:03:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:03:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:03:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:03:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:03:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:03:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:03:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:03:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:03:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:03:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:03:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 3 proven. 90 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-10 07:03:57,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:57,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188687346] [2024-11-10 07:03:57,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188687346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:03:57,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010129980] [2024-11-10 07:03:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:57,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:03:57,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:03:57,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:03:57,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 07:03:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:57,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 07:03:57,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:03:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 153 proven. 90 refuted. 0 times theorem prover too weak. 1741 trivial. 0 not checked. [2024-11-10 07:03:58,038 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:03:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 3 proven. 90 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-10 07:03:58,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010129980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:03:58,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:03:58,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-10 07:03:58,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093366734] [2024-11-10 07:03:58,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:03:58,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 07:03:58,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:58,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 07:03:58,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:03:58,336 INFO L87 Difference]: Start difference. First operand 377 states and 571 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-10 07:03:58,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:58,570 INFO L93 Difference]: Finished difference Result 618 states and 919 transitions. [2024-11-10 07:03:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:03:58,572 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 209 [2024-11-10 07:03:58,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:58,575 INFO L225 Difference]: With dead ends: 618 [2024-11-10 07:03:58,576 INFO L226 Difference]: Without dead ends: 260 [2024-11-10 07:03:58,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 478 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-10 07:03:58,578 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 60 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:58,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 263 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:03:58,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-10 07:03:58,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 248. [2024-11-10 07:03:58,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 164 states have (on average 1.2865853658536586) internal successors, (211), 165 states have internal predecessors, (211), 76 states have call successors, (76), 7 states have call predecessors, (76), 7 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 07:03:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 363 transitions. [2024-11-10 07:03:58,603 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 363 transitions. Word has length 209 [2024-11-10 07:03:58,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:58,603 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 363 transitions. [2024-11-10 07:03:58,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-10 07:03:58,604 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 363 transitions. [2024-11-10 07:03:58,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-10 07:03:58,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:58,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:58,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 07:03:58,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 07:03:58,807 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:58,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:58,808 INFO L85 PathProgramCache]: Analyzing trace with hash 644383538, now seen corresponding path program 1 times [2024-11-10 07:03:58,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:58,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663108363] [2024-11-10 07:03:58,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:58,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:04:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:04:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:04:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:04:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:04:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:04:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:04:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:04:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:04:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:04:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:04:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:04:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:04:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:04:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:04:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:04:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:04:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:04:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:04:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:04:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:04:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:04:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:04:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:04:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:04:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:04:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:04:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:04:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:04:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:04:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:04:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:04:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 07:04:06,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:04:06,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663108363] [2024-11-10 07:04:06,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663108363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:04:06,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:04:06,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 07:04:06,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987474579] [2024-11-10 07:04:06,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:04:06,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:04:06,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:04:06,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:04:06,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:04:06,548 INFO L87 Difference]: Start difference. First operand 248 states and 363 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-10 07:04:08,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:04:08,356 INFO L93 Difference]: Finished difference Result 558 states and 810 transitions. [2024-11-10 07:04:08,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 07:04:08,357 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 210 [2024-11-10 07:04:08,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:04:08,360 INFO L225 Difference]: With dead ends: 558 [2024-11-10 07:04:08,360 INFO L226 Difference]: Without dead ends: 337 [2024-11-10 07:04:08,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=166, Invalid=296, Unknown=0, NotChecked=0, Total=462 [2024-11-10 07:04:08,362 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 490 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:04:08,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 585 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 07:04:08,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-10 07:04:08,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 286. [2024-11-10 07:04:08,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 181 states have (on average 1.2651933701657458) internal successors, (229), 182 states have internal predecessors, (229), 96 states have call successors, (96), 8 states have call predecessors, (96), 8 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-10 07:04:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 421 transitions. [2024-11-10 07:04:08,396 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 421 transitions. Word has length 210 [2024-11-10 07:04:08,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:04:08,397 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 421 transitions. [2024-11-10 07:04:08,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-10 07:04:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 421 transitions. [2024-11-10 07:04:08,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-10 07:04:08,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:04:08,399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:04:08,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 07:04:08,400 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:04:08,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:04:08,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1907773423, now seen corresponding path program 1 times [2024-11-10 07:04:08,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:04:08,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296820335] [2024-11-10 07:04:08,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:04:08,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:04:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:04:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:04:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:04:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:04:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:04:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:04:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:04:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:04:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:04:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:04:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:04:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:04:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:04:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:04:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:04:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:04:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:04:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 07:04:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:04:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:04:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 07:04:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 07:04:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 07:04:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 07:04:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:04:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 07:04:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:04:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 07:04:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 07:04:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 07:04:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 07:04:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 07:04:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:04:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 07:04:27,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:04:27,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296820335] [2024-11-10 07:04:27,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296820335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:04:27,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:04:27,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 07:04:27,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884031609] [2024-11-10 07:04:27,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:04:27,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 07:04:27,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:04:27,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 07:04:27,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-10 07:04:27,223 INFO L87 Difference]: Start difference. First operand 286 states and 421 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)