./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-26.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_operatoramount_amount100_file-26.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 410a9989c425e67a684cc41a030ddcb789719d04c3f66db1da52362a37ac45cb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:06:34,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:06:34,962 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:06:34,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:06:34,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:06:34,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:06:34,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:06:34,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:06:34,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:06:34,986 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:06:34,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:06:34,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:06:34,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:06:34,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:06:34,989 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:06:34,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:06:34,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:06:34,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:06:34,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:06:34,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:06:34,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:06:34,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:06:34,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:06:34,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:06:34,994 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:06:34,994 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:06:34,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:06:34,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:06:34,995 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:06:34,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:06:34,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:06:34,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:06:34,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:06:34,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:06:34,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:06:34,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:06:34,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:06:34,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:06:34,996 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:06:34,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:06:34,997 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:06:34,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:06:34,997 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410a9989c425e67a684cc41a030ddcb789719d04c3f66db1da52362a37ac45cb [2024-11-10 08:06:35,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:06:35,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:06:35,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:06:35,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:06:35,213 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:06:35,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-26.i [2024-11-10 08:06:36,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:06:36,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:06:36,646 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-26.i [2024-11-10 08:06:36,661 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf5543de1/3115c1c74e8c40899fa0f96696ae4d98/FLAG221336b04 [2024-11-10 08:06:36,999 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf5543de1/3115c1c74e8c40899fa0f96696ae4d98 [2024-11-10 08:06:37,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:06:37,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:06:37,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:06:37,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:06:37,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:06:37,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e24a521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37, skipping insertion in model container [2024-11-10 08:06:37,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,035 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:06:37,241 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_operatoramount_amount100_file-26.i[916,929] [2024-11-10 08:06:37,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:06:37,338 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:06:37,350 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_operatoramount_amount100_file-26.i[916,929] [2024-11-10 08:06:37,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:06:37,402 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:06:37,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37 WrapperNode [2024-11-10 08:06:37,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:06:37,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:06:37,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:06:37,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:06:37,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,453 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2024-11-10 08:06:37,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:06:37,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:06:37,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:06:37,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:06:37,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,467 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,495 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 08:06:37,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,506 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:06:37,522 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:06:37,522 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:06:37,522 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:06:37,523 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (1/1) ... [2024-11-10 08:06:37,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:06:37,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:06:37,552 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 08:06:37,554 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 08:06:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:06:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:06:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:06:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:06:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:06:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:06:37,677 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:06:37,679 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:06:38,120 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L205: havoc property_#t~ite22#1;havoc property_#t~bitwise21#1;havoc property_#t~short23#1; [2024-11-10 08:06:38,159 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-10 08:06:38,160 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:06:38,182 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:06:38,183 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:06:38,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:06:38 BoogieIcfgContainer [2024-11-10 08:06:38,183 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:06:38,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:06:38,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:06:38,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:06:38,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:06:37" (1/3) ... [2024-11-10 08:06:38,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297a5406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:06:38, skipping insertion in model container [2024-11-10 08:06:38,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:06:37" (2/3) ... [2024-11-10 08:06:38,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297a5406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:06:38, skipping insertion in model container [2024-11-10 08:06:38,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:06:38" (3/3) ... [2024-11-10 08:06:38,193 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-26.i [2024-11-10 08:06:38,208 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:06:38,209 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:06:38,270 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:06:38,276 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;@47614fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:06:38,277 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:06:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 73 states have internal predecessors, (102), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 08:06:38,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 08:06:38,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:06:38,297 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:38,297 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:06:38,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:06:38,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1569326435, now seen corresponding path program 1 times [2024-11-10 08:06:38,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:06:38,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476071333] [2024-11-10 08:06:38,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:06:38,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:06:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:06:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:06:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:06:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:06:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:06:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:06:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:06:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:06:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:06:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:06:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:06:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:06:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:06:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:06:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:06:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:06:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:06:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:06:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:06:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:06:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:06:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:06:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:06:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:06:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:06:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:06:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:06:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:06:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:06:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:06:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-10 08:06:38,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:06:38,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476071333] [2024-11-10 08:06:38,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476071333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:06:38,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:06:38,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:06:38,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288900659] [2024-11-10 08:06:38,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:06:38,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:06:38,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:06:38,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:06:38,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:06:38,840 INFO L87 Difference]: Start difference. First operand has 105 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 73 states have internal predecessors, (102), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-10 08:06:38,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:06:38,868 INFO L93 Difference]: Finished difference Result 202 states and 347 transitions. [2024-11-10 08:06:38,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:06:38,870 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) Word has length 199 [2024-11-10 08:06:38,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:06:38,877 INFO L225 Difference]: With dead ends: 202 [2024-11-10 08:06:38,877 INFO L226 Difference]: Without dead ends: 100 [2024-11-10 08:06:38,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 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 08:06:38,883 INFO L432 NwaCegarLoop]: 152 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, 152 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 08:06:38,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:06:38,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-10 08:06:38,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-10 08:06:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 68 states have internal predecessors, (94), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 08:06:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 154 transitions. [2024-11-10 08:06:38,923 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 154 transitions. Word has length 199 [2024-11-10 08:06:38,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:06:38,923 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 154 transitions. [2024-11-10 08:06:38,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-10 08:06:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2024-11-10 08:06:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 08:06:38,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:06:38,930 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:38,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:06:38,930 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:06:38,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:06:38,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1017252389, now seen corresponding path program 1 times [2024-11-10 08:06:38,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:06:38,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636377355] [2024-11-10 08:06:38,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:06:38,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:06:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:06:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:06:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:06:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:06:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:06:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:06:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:06:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:06:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:06:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:06:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:06:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:06:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:06:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:06:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:06:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:06:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:06:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:06:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:06:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:06:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:06:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:06:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:06:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:06:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:06:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:06:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:06:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:06:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:06:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:06:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:39,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-10 08:06:39,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:06:39,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636377355] [2024-11-10 08:06:39,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636377355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:06:39,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:06:39,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:06:39,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494493471] [2024-11-10 08:06:39,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:06:39,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:06:39,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:06:39,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:06:39,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:06:39,540 INFO L87 Difference]: Start difference. First operand 100 states and 154 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-10 08:06:39,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:06:39,608 INFO L93 Difference]: Finished difference Result 294 states and 456 transitions. [2024-11-10 08:06:39,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:06:39,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 199 [2024-11-10 08:06:39,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:06:39,611 INFO L225 Difference]: With dead ends: 294 [2024-11-10 08:06:39,611 INFO L226 Difference]: Without dead ends: 197 [2024-11-10 08:06:39,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 08:06:39,613 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 148 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:06:39,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 400 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:06:39,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-10 08:06:39,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 101. [2024-11-10 08:06:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 69 states have internal predecessors, (95), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 08:06:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 155 transitions. [2024-11-10 08:06:39,636 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 155 transitions. Word has length 199 [2024-11-10 08:06:39,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:06:39,639 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 155 transitions. [2024-11-10 08:06:39,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-10 08:06:39,640 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2024-11-10 08:06:39,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 08:06:39,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:06:39,645 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:39,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:06:39,645 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:06:39,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:06:39,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1924405210, now seen corresponding path program 1 times [2024-11-10 08:06:39,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:06:39,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481510492] [2024-11-10 08:06:39,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:06:39,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:06:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:06:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:06:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:06:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:06:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:06:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:06:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:06:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:06:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:06:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:06:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:06:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:06:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:06:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:06:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:06:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:06:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:06:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:06:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:06:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:06:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:06:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:06:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:06:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:06:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:06:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:06:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:06:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:06:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:06:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:06:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-10 08:06:40,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:06:40,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481510492] [2024-11-10 08:06:40,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481510492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:06:40,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:06:40,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 08:06:40,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684334497] [2024-11-10 08:06:40,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:06:40,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 08:06:40,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:06:40,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 08:06:40,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:06:40,374 INFO L87 Difference]: Start difference. First operand 101 states and 155 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, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-10 08:06:40,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:06:40,556 INFO L93 Difference]: Finished difference Result 309 states and 467 transitions. [2024-11-10 08:06:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 08:06:40,557 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, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 199 [2024-11-10 08:06:40,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:06:40,559 INFO L225 Difference]: With dead ends: 309 [2024-11-10 08:06:40,559 INFO L226 Difference]: Without dead ends: 211 [2024-11-10 08:06:40,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 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 08:06:40,561 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 135 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 08:06:40,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 612 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 08:06:40,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-10 08:06:40,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 173. [2024-11-10 08:06:40,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 134 states have (on average 1.4328358208955223) internal successors, (192), 135 states have internal predecessors, (192), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 08:06:40,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 264 transitions. [2024-11-10 08:06:40,587 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 264 transitions. Word has length 199 [2024-11-10 08:06:40,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:06:40,587 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 264 transitions. [2024-11-10 08:06:40,588 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, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-10 08:06:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 264 transitions. [2024-11-10 08:06:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 08:06:40,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:06:40,593 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:40,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 08:06:40,593 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:06:40,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:06:40,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1052353251, now seen corresponding path program 1 times [2024-11-10 08:06:40,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:06:40,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263358005] [2024-11-10 08:06:40,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:06:40,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:06:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:06:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:06:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:06:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:06:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:06:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:06:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:06:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:06:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:06:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:06:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:06:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:06:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:06:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:06:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:06:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:06:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:06:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:06:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:06:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:06:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:06:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:06:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:06:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:06:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:06:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:06:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:06:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:06:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:06:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:06:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-10 08:06:40,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:06:40,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263358005] [2024-11-10 08:06:40,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263358005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:06:40,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:06:40,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 08:06:40,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449901779] [2024-11-10 08:06:40,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:06:40,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 08:06:40,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:06:40,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 08:06:40,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:06:40,933 INFO L87 Difference]: Start difference. First operand 173 states and 264 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-10 08:06:41,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:06:41,148 INFO L93 Difference]: Finished difference Result 570 states and 870 transitions. [2024-11-10 08:06:41,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 08:06:41,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 200 [2024-11-10 08:06:41,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:06:41,153 INFO L225 Difference]: With dead ends: 570 [2024-11-10 08:06:41,153 INFO L226 Difference]: Without dead ends: 400 [2024-11-10 08:06:41,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 08:06:41,155 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 161 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 08:06:41,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 596 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 08:06:41,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-10 08:06:41,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 323. [2024-11-10 08:06:41,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 246 states have (on average 1.4308943089430894) internal successors, (352), 248 states have internal predecessors, (352), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-10 08:06:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 496 transitions. [2024-11-10 08:06:41,194 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 496 transitions. Word has length 200 [2024-11-10 08:06:41,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:06:41,194 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 496 transitions. [2024-11-10 08:06:41,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-10 08:06:41,195 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 496 transitions. [2024-11-10 08:06:41,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 08:06:41,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:06:41,198 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:41,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 08:06:41,198 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:06:41,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:06:41,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1021333444, now seen corresponding path program 1 times [2024-11-10 08:06:41,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:06:41,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885934408] [2024-11-10 08:06:41,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:06:41,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:06:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:06:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:06:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:06:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:06:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:06:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:06:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:06:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:06:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:06:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:06:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:06:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:06:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:06:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:06:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:06:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:06:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:06:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:06:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:06:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:06:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:06:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:06:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:06:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:06:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:06:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:06:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:06:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:06:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:06:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:06:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:41,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-10 08:06:41,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:06:41,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885934408] [2024-11-10 08:06:41,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885934408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:06:41,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:06:41,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 08:06:41,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276990845] [2024-11-10 08:06:41,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:06:41,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 08:06:41,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:06:41,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 08:06:41,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 08:06:41,681 INFO L87 Difference]: Start difference. First operand 323 states and 496 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-10 08:06:41,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:06:41,890 INFO L93 Difference]: Finished difference Result 813 states and 1250 transitions. [2024-11-10 08:06:41,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:06:41,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 200 [2024-11-10 08:06:41,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:06:41,895 INFO L225 Difference]: With dead ends: 813 [2024-11-10 08:06:41,895 INFO L226 Difference]: Without dead ends: 493 [2024-11-10 08:06:41,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 08:06:41,897 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 117 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 08:06:41,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 596 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 08:06:41,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-11-10 08:06:41,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 490. [2024-11-10 08:06:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 375 states have (on average 1.424) internal successors, (534), 378 states have internal predecessors, (534), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 08:06:41,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 750 transitions. [2024-11-10 08:06:41,936 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 750 transitions. Word has length 200 [2024-11-10 08:06:41,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:06:41,938 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 750 transitions. [2024-11-10 08:06:41,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-10 08:06:41,938 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 750 transitions. [2024-11-10 08:06:41,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 08:06:41,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:06:41,941 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:41,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 08:06:41,942 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:06:41,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:06:41,943 INFO L85 PathProgramCache]: Analyzing trace with hash -809982531, now seen corresponding path program 1 times [2024-11-10 08:06:41,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:06:41,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462394666] [2024-11-10 08:06:41,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:06:41,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:06:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:06:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:06:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:06:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:06:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:06:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:06:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:06:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:06:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:06:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:06:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:06:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:06:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:06:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:06:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:06:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:06:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:06:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:06:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:06:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:06:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:06:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:06:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:06:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:06:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:06:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:06:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:06:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:06:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:06:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:06:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-10 08:06:42,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:06:42,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462394666] [2024-11-10 08:06:42,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462394666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:06:42,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:06:42,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 08:06:42,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772432315] [2024-11-10 08:06:42,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:06:42,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 08:06:42,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:06:42,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 08:06:42,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 08:06:42,651 INFO L87 Difference]: Start difference. First operand 490 states and 750 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-10 08:06:43,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:06:43,544 INFO L93 Difference]: Finished difference Result 1645 states and 2517 transitions. [2024-11-10 08:06:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 08:06:43,544 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 200 [2024-11-10 08:06:43,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:06:43,551 INFO L225 Difference]: With dead ends: 1645 [2024-11-10 08:06:43,552 INFO L226 Difference]: Without dead ends: 1158 [2024-11-10 08:06:43,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-10 08:06:43,556 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 326 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 08:06:43,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 1072 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 08:06:43,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2024-11-10 08:06:43,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1124. [2024-11-10 08:06:43,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 857 states have (on average 1.4165694282380397) internal successors, (1214), 864 states have internal predecessors, (1214), 252 states have call successors, (252), 14 states have call predecessors, (252), 14 states have return successors, (252), 245 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-10 08:06:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1718 transitions. [2024-11-10 08:06:43,651 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1718 transitions. Word has length 200 [2024-11-10 08:06:43,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:06:43,652 INFO L471 AbstractCegarLoop]: Abstraction has 1124 states and 1718 transitions. [2024-11-10 08:06:43,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-10 08:06:43,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1718 transitions. [2024-11-10 08:06:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 08:06:43,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:06:43,654 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:43,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 08:06:43,654 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:06:43,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:06:43,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1006496036, now seen corresponding path program 1 times [2024-11-10 08:06:43,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:06:43,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778652790] [2024-11-10 08:06:43,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:06:43,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:06:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:06:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:06:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:06:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:06:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:06:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:06:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:06:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:06:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:06:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:06:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:06:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:06:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:06:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:06:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:06:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:06:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:06:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:06:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:06:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:06:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:06:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:06:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:06:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:06:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:06:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:06:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:06:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:06:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:06:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:06:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:06:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-10 08:06:51,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:06:51,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778652790] [2024-11-10 08:06:51,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778652790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:06:51,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:06:51,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 08:06:51,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068122429] [2024-11-10 08:06:51,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:06:51,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 08:06:51,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:06:51,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 08:06:51,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-10 08:06:51,207 INFO L87 Difference]: Start difference. First operand 1124 states and 1718 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-10 08:06:53,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:06:53,155 INFO L93 Difference]: Finished difference Result 2996 states and 4520 transitions. [2024-11-10 08:06:53,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 08:06:53,156 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), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 200 [2024-11-10 08:06:53,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:06:53,163 INFO L225 Difference]: With dead ends: 2996 [2024-11-10 08:06:53,163 INFO L226 Difference]: Without dead ends: 1875 [2024-11-10 08:06:53,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-10 08:06:53,168 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 577 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:06:53,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 936 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 08:06:53,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-11-10 08:06:53,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1542. [2024-11-10 08:06:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1235 states have (on average 1.439676113360324) internal successors, (1778), 1250 states have internal predecessors, (1778), 284 states have call successors, (284), 22 states have call predecessors, (284), 22 states have return successors, (284), 269 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-10 08:06:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2346 transitions. [2024-11-10 08:06:53,278 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2346 transitions. Word has length 200 [2024-11-10 08:06:53,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:06:53,279 INFO L471 AbstractCegarLoop]: Abstraction has 1542 states and 2346 transitions. [2024-11-10 08:06:53,279 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), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-10 08:06:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2346 transitions. [2024-11-10 08:06:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 08:06:53,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:06:53,283 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:53,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 08:06:53,284 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:06:53,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:06:53,284 INFO L85 PathProgramCache]: Analyzing trace with hash 501055773, now seen corresponding path program 1 times [2024-11-10 08:06:53,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:06:53,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482580764] [2024-11-10 08:06:53,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:06:53,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:06:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat