./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.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 e3471f06dc12ad44598fd2961f3d0cb274ed30b5886ce0a764ca9d78e786b896 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 13:15:46,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 13:15:47,043 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 13:15:47,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 13:15:47,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 13:15:47,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 13:15:47,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 13:15:47,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 13:15:47,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 13:15:47,093 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 13:15:47,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 13:15:47,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 13:15:47,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 13:15:47,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 13:15:47,095 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 13:15:47,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 13:15:47,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 13:15:47,096 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 13:15:47,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 13:15:47,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 13:15:47,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 13:15:47,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 13:15:47,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 13:15:47,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 13:15:47,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 13:15:47,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 13:15:47,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 13:15:47,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 13:15:47,101 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 13:15:47,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 13:15:47,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 13:15:47,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 13:15:47,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:15:47,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 13:15:47,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 13:15:47,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 13:15:47,103 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 13:15:47,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 13:15:47,103 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 13:15:47,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 13:15:47,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 13:15:47,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 13:15:47,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3471f06dc12ad44598fd2961f3d0cb274ed30b5886ce0a764ca9d78e786b896 [2024-11-16 13:15:47,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 13:15:47,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 13:15:47,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 13:15:47,362 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 13:15:47,363 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 13:15:47,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-11-16 13:15:48,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 13:15:48,812 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 13:15:48,812 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-11-16 13:15:48,822 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdba20cc/a5c9444867af4745b3b9dffa1c3bebb8/FLAG60a0d938a [2024-11-16 13:15:48,834 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdba20cc/a5c9444867af4745b3b9dffa1c3bebb8 [2024-11-16 13:15:48,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 13:15:48,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 13:15:48,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 13:15:48,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 13:15:48,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 13:15:48,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:15:48" (1/1) ... [2024-11-16 13:15:48,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68948d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:48, skipping insertion in model container [2024-11-16 13:15:48,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:15:48" (1/1) ... [2024-11-16 13:15:48,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 13:15:49,023 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i[916,929] [2024-11-16 13:15:49,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:15:49,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 13:15:49,169 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i[916,929] [2024-11-16 13:15:49,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:15:49,223 INFO L204 MainTranslator]: Completed translation [2024-11-16 13:15:49,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49 WrapperNode [2024-11-16 13:15:49,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 13:15:49,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 13:15:49,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 13:15:49,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 13:15:49,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,286 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 512 [2024-11-16 13:15:49,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 13:15:49,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 13:15:49,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 13:15:49,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 13:15:49,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,324 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 13:15:49,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,337 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 13:15:49,358 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 13:15:49,358 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 13:15:49,358 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 13:15:49,359 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (1/1) ... [2024-11-16 13:15:49,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:15:49,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 13:15:49,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 13:15:49,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 13:15:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 13:15:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 13:15:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 13:15:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 13:15:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 13:15:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 13:15:49,551 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 13:15:49,555 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 13:15:50,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L430: havoc property_#t~bitwise51#1;havoc property_#t~short52#1; [2024-11-16 13:15:50,261 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 13:15:50,262 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 13:15:50,292 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 13:15:50,293 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-16 13:15:50,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:15:50 BoogieIcfgContainer [2024-11-16 13:15:50,294 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 13:15:50,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 13:15:50,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 13:15:50,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 13:15:50,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 01:15:48" (1/3) ... [2024-11-16 13:15:50,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8f23e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:15:50, skipping insertion in model container [2024-11-16 13:15:50,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:49" (2/3) ... [2024-11-16 13:15:50,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8f23e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:15:50, skipping insertion in model container [2024-11-16 13:15:50,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:15:50" (3/3) ... [2024-11-16 13:15:50,304 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-11-16 13:15:50,317 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 13:15:50,318 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 13:15:50,381 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 13:15:50,386 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;@14eca315, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 13:15:50,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 13:15:50,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 155 states have (on average 1.5419354838709678) internal successors, (239), 156 states have internal predecessors, (239), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-16 13:15:50,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-16 13:15:50,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:50,418 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:50,418 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:50,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:50,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1020316841, now seen corresponding path program 1 times [2024-11-16 13:15:50,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:50,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258333224] [2024-11-16 13:15:50,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:50,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:15:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 13:15:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 13:15:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 13:15:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 13:15:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 13:15:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 13:15:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 13:15:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 13:15:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 13:15:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 13:15:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 13:15:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:50,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 13:15:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 13:15:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 13:15:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 13:15:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 13:15:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 13:15:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 13:15:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 13:15:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 13:15:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 13:15:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 13:15:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 13:15:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 13:15:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 13:15:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 13:15:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 13:15:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 13:15:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 13:15:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 13:15:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 13:15:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 13:15:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 13:15:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 13:15:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 13:15:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 13:15:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 13:15:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 13:15:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 13:15:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 13:15:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 13:15:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-16 13:15:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 13:15:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-16 13:15:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 13:15:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-16 13:15:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-16 13:15:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-16 13:15:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-16 13:15:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-16 13:15:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-16 13:15:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-16 13:15:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-16 13:15:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-16 13:15:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-16 13:15:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-11-16 13:15:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-16 13:15:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-16 13:15:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-16 13:15:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-11-16 13:15:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-16 13:15:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-11-16 13:15:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-16 13:15:51,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:51,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258333224] [2024-11-16 13:15:51,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258333224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:15:51,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:15:51,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 13:15:51,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324213525] [2024-11-16 13:15:51,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:15:51,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 13:15:51,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:51,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 13:15:51,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 13:15:51,431 INFO L87 Difference]: Start difference. First operand has 221 states, 155 states have (on average 1.5419354838709678) internal successors, (239), 156 states have internal predecessors, (239), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-16 13:15:51,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:51,509 INFO L93 Difference]: Finished difference Result 433 states and 784 transitions. [2024-11-16 13:15:51,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 13:15:51,511 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) Word has length 410 [2024-11-16 13:15:51,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:51,522 INFO L225 Difference]: With dead ends: 433 [2024-11-16 13:15:51,522 INFO L226 Difference]: Without dead ends: 215 [2024-11-16 13:15:51,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 13:15:51,533 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:51,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 13:15:51,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-16 13:15:51,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-16 13:15:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 150 states have (on average 1.52) internal successors, (228), 150 states have internal predecessors, (228), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-16 13:15:51,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 354 transitions. [2024-11-16 13:15:51,610 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 354 transitions. Word has length 410 [2024-11-16 13:15:51,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:51,611 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 354 transitions. [2024-11-16 13:15:51,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-16 13:15:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 354 transitions. [2024-11-16 13:15:51,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-16 13:15:51,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:51,620 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:51,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 13:15:51,621 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:51,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:51,622 INFO L85 PathProgramCache]: Analyzing trace with hash -539088498, now seen corresponding path program 1 times [2024-11-16 13:15:51,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:51,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579632726] [2024-11-16 13:15:51,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:51,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:15:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 13:15:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 13:15:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 13:15:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 13:15:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 13:15:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 13:15:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 13:15:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 13:15:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 13:15:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 13:15:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 13:15:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 13:15:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 13:15:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 13:15:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 13:15:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 13:15:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 13:15:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 13:15:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 13:15:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 13:15:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 13:15:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 13:15:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 13:15:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 13:15:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:51,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 13:15:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 13:15:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 13:15:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 13:15:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 13:15:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 13:15:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 13:15:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 13:15:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 13:15:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 13:15:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 13:15:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 13:15:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 13:15:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 13:15:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 13:15:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 13:15:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 13:15:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-16 13:15:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 13:15:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-16 13:15:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 13:15:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-16 13:15:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-16 13:15:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-16 13:15:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-16 13:15:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-16 13:15:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-16 13:15:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-16 13:15:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-16 13:15:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-16 13:15:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-16 13:15:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-11-16 13:15:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-16 13:15:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-16 13:15:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-16 13:15:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-11-16 13:15:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-16 13:15:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-11-16 13:15:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-16 13:15:52,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:52,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579632726] [2024-11-16 13:15:52,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579632726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:15:52,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:15:52,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 13:15:52,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71319474] [2024-11-16 13:15:52,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:15:52,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 13:15:52,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:52,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 13:15:52,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 13:15:52,131 INFO L87 Difference]: Start difference. First operand 215 states and 354 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-16 13:15:52,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:52,357 INFO L93 Difference]: Finished difference Result 785 states and 1296 transitions. [2024-11-16 13:15:52,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 13:15:52,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 410 [2024-11-16 13:15:52,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:52,362 INFO L225 Difference]: With dead ends: 785 [2024-11-16 13:15:52,362 INFO L226 Difference]: Without dead ends: 573 [2024-11-16 13:15:52,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:15:52,364 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 582 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:52,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 1519 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 13:15:52,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-16 13:15:52,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 561. [2024-11-16 13:15:52,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 434 states have (on average 1.576036866359447) internal successors, (684), 437 states have internal predecessors, (684), 122 states have call successors, (122), 4 states have call predecessors, (122), 4 states have return successors, (122), 119 states have call predecessors, (122), 122 states have call successors, (122) [2024-11-16 13:15:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 928 transitions. [2024-11-16 13:15:52,398 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 928 transitions. Word has length 410 [2024-11-16 13:15:52,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:52,399 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 928 transitions. [2024-11-16 13:15:52,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-16 13:15:52,400 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 928 transitions. [2024-11-16 13:15:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-11-16 13:15:52,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:52,404 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:52,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 13:15:52,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:52,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:52,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1340808552, now seen corresponding path program 1 times [2024-11-16 13:15:52,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:52,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9716653] [2024-11-16 13:15:52,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:52,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:15:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 13:15:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 13:15:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 13:15:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 13:15:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 13:15:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 13:15:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 13:15:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 13:15:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 13:15:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 13:15:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 13:15:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 13:15:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 13:15:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 13:15:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 13:15:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 13:15:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 13:15:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 13:15:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 13:15:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 13:15:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 13:15:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 13:15:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 13:15:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 13:15:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 13:15:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 13:15:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 13:15:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 13:15:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 13:15:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 13:15:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 13:15:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 13:15:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 13:15:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 13:15:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 13:15:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 13:15:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 13:15:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 13:15:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 13:15:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 13:15:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 13:15:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-16 13:15:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 13:15:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-16 13:15:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 13:15:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-16 13:15:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-16 13:15:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-16 13:15:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-16 13:15:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-16 13:15:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-16 13:15:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-16 13:15:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-16 13:15:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-16 13:15:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-16 13:15:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-11-16 13:15:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-16 13:15:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-16 13:15:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-16 13:15:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-11-16 13:15:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-16 13:15:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-11-16 13:15:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:52,908 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-16 13:15:52,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:52,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9716653] [2024-11-16 13:15:52,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9716653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:15:52,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:15:52,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 13:15:52,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437907400] [2024-11-16 13:15:52,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:15:52,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 13:15:52,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:52,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 13:15:52,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:15:52,912 INFO L87 Difference]: Start difference. First operand 561 states and 928 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-16 13:15:53,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:53,003 INFO L93 Difference]: Finished difference Result 1176 states and 1934 transitions. [2024-11-16 13:15:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 13:15:53,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 411 [2024-11-16 13:15:53,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:53,009 INFO L225 Difference]: With dead ends: 1176 [2024-11-16 13:15:53,009 INFO L226 Difference]: Without dead ends: 618 [2024-11-16 13:15:53,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:15:53,010 INFO L432 NwaCegarLoop]: 401 mSDtfsCounter, 216 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:53,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 604 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 13:15:53,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-16 13:15:53,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 617. [2024-11-16 13:15:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 460 states have (on average 1.5369565217391303) internal successors, (707), 464 states have internal predecessors, (707), 149 states have call successors, (149), 7 states have call predecessors, (149), 7 states have return successors, (149), 145 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-16 13:15:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 1005 transitions. [2024-11-16 13:15:53,043 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 1005 transitions. Word has length 411 [2024-11-16 13:15:53,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:53,043 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 1005 transitions. [2024-11-16 13:15:53,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-16 13:15:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1005 transitions. [2024-11-16 13:15:53,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-11-16 13:15:53,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:53,048 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:53,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 13:15:53,048 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:53,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:53,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1310494240, now seen corresponding path program 1 times [2024-11-16 13:15:53,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:53,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68154025] [2024-11-16 13:15:53,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:53,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat