./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-31.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 9b08c2d93cd607cadaa62188e226839fc75001045fd36e839e0ccc0eb9851a77 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 02:36:50,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 02:36:51,020 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 02:36:51,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 02:36:51,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 02:36:51,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 02:36:51,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 02:36:51,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 02:36:51,061 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 02:36:51,062 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 02:36:51,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 02:36:51,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 02:36:51,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 02:36:51,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 02:36:51,066 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 02:36:51,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 02:36:51,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 02:36:51,067 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 02:36:51,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 02:36:51,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 02:36:51,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 02:36:51,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 02:36:51,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 02:36:51,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 02:36:51,073 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 02:36:51,073 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 02:36:51,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 02:36:51,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 02:36:51,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 02:36:51,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 02:36:51,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 02:36:51,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 02:36:51,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:36:51,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 02:36:51,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 02:36:51,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 02:36:51,076 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 02:36:51,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 02:36:51,077 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 02:36:51,077 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 02:36:51,077 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 02:36:51,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 02:36:51,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b08c2d93cd607cadaa62188e226839fc75001045fd36e839e0ccc0eb9851a77 [2024-11-12 02:36:51,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 02:36:51,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 02:36:51,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 02:36:51,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 02:36:51,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 02:36:51,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-31.i [2024-11-12 02:36:52,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 02:36:52,986 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 02:36:52,989 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-31.i [2024-11-12 02:36:53,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f6af32f/9602d4093ea84b36a41098e6332ae358/FLAG9105b2583 [2024-11-12 02:36:53,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f6af32f/9602d4093ea84b36a41098e6332ae358 [2024-11-12 02:36:53,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 02:36:53,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 02:36:53,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 02:36:53,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 02:36:53,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 02:36:53,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:53,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56861c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53, skipping insertion in model container [2024-11-12 02:36:53,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:53,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 02:36:53,570 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-50_file-31.i[915,928] [2024-11-12 02:36:53,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:36:53,669 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 02:36:53,681 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-50_file-31.i[915,928] [2024-11-12 02:36:53,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:36:53,775 INFO L204 MainTranslator]: Completed translation [2024-11-12 02:36:53,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53 WrapperNode [2024-11-12 02:36:53,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 02:36:53,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 02:36:53,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 02:36:53,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 02:36:53,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:53,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:53,918 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 287 [2024-11-12 02:36:53,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 02:36:53,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 02:36:53,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 02:36:53,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 02:36:53,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:53,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:53,936 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:53,968 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 02:36:53,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:53,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:53,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:54,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:54,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:54,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:54,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 02:36:54,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 02:36:54,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 02:36:54,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 02:36:54,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (1/1) ... [2024-11-12 02:36:54,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:36:54,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:36:54,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 02:36:54,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 02:36:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 02:36:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 02:36:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 02:36:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 02:36:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 02:36:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 02:36:54,242 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 02:36:54,244 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 02:36:54,793 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-12 02:36:54,793 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 02:36:54,812 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 02:36:54,813 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 02:36:54,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:36:54 BoogieIcfgContainer [2024-11-12 02:36:54,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 02:36:54,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 02:36:54,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 02:36:54,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 02:36:54,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:36:53" (1/3) ... [2024-11-12 02:36:54,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fc950b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:36:54, skipping insertion in model container [2024-11-12 02:36:54,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:36:53" (2/3) ... [2024-11-12 02:36:54,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fc950b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:36:54, skipping insertion in model container [2024-11-12 02:36:54,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:36:54" (3/3) ... [2024-11-12 02:36:54,826 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-31.i [2024-11-12 02:36:54,844 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 02:36:54,844 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 02:36:54,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 02:36:54,914 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;@3c3a345, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 02:36:54,914 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 02:36:54,920 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 73 states have (on average 1.36986301369863) internal successors, (100), 74 states have internal predecessors, (100), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 02:36:54,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-12 02:36:54,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:36:54,950 INFO L218 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:36:54,950 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:36:54,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:36:54,958 INFO L85 PathProgramCache]: Analyzing trace with hash 586496167, now seen corresponding path program 1 times [2024-11-12 02:36:54,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:36:54,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100061229] [2024-11-12 02:36:54,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:36:54,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:36:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:36:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:36:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:36:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:36:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:36:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:36:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:36:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:36:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:36:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:36:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:36:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:36:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:36:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:36:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:36:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:36:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:36:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:36:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:36:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:36:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:36:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:36:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:36:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:36:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:36:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:36:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 02:36:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:36:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 02:36:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:36:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 02:36:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:36:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 02:36:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 02:36:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 02:36:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 02:36:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 02:36:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 02:36:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 02:36:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 02:36:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 02:36:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 02:36:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 02:36:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 02:36:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 02:36:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 02:36:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 02:36:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 02:36:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-12 02:36:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 02:36:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-12 02:36:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 02:36:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 02:36:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-12 02:36:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:55,752 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-12 02:36:55,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:36:55,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100061229] [2024-11-12 02:36:55,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100061229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:36:55,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:36:55,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 02:36:55,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457635167] [2024-11-12 02:36:55,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:36:55,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 02:36:55,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:36:55,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 02:36:55,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:36:55,801 INFO L87 Difference]: Start difference. First operand has 130 states, 73 states have (on average 1.36986301369863) internal successors, (100), 74 states have internal predecessors, (100), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-12 02:36:55,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:36:55,852 INFO L93 Difference]: Finished difference Result 253 states and 464 transitions. [2024-11-12 02:36:55,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 02:36:55,854 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) Word has length 324 [2024-11-12 02:36:55,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:36:55,863 INFO L225 Difference]: With dead ends: 253 [2024-11-12 02:36:55,863 INFO L226 Difference]: Without dead ends: 126 [2024-11-12 02:36:55,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:36:55,871 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:36:55,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:36:55,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-12 02:36:55,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-12 02:36:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 70 states have internal predecessors, (93), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 02:36:55,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 201 transitions. [2024-11-12 02:36:55,951 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 201 transitions. Word has length 324 [2024-11-12 02:36:55,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:36:55,952 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 201 transitions. [2024-11-12 02:36:55,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-12 02:36:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 201 transitions. [2024-11-12 02:36:55,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-12 02:36:55,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:36:55,964 INFO L218 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:36:55,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 02:36:55,965 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:36:55,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:36:55,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1175332395, now seen corresponding path program 1 times [2024-11-12 02:36:55,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:36:55,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120383106] [2024-11-12 02:36:55,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:36:55,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:36:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:36:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:36:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:36:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:36:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:36:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:36:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:36:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:36:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:36:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:36:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:36:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:36:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:36:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:36:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:36:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:36:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:36:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:36:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:36:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:36:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:36:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:36:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:36:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:36:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:36:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:36:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 02:36:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:36:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 02:36:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:36:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 02:36:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:36:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 02:36:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 02:36:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 02:36:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 02:36:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 02:36:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 02:36:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 02:36:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 02:36:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 02:36:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 02:36:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 02:36:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 02:36:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 02:36:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 02:36:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 02:36:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 02:36:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-12 02:36:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 02:36:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-12 02:36:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 02:36:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 02:36:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-12 02:36:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:56,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-12 02:36:56,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:36:56,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120383106] [2024-11-12 02:36:56,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120383106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:36:56,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:36:56,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 02:36:56,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729931169] [2024-11-12 02:36:56,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:36:56,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 02:36:56,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:36:56,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 02:36:56,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:36:56,526 INFO L87 Difference]: Start difference. First operand 126 states and 201 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-12 02:36:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:36:56,635 INFO L93 Difference]: Finished difference Result 371 states and 595 transitions. [2024-11-12 02:36:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 02:36:56,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 324 [2024-11-12 02:36:56,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:36:56,673 INFO L225 Difference]: With dead ends: 371 [2024-11-12 02:36:56,673 INFO L226 Difference]: Without dead ends: 248 [2024-11-12 02:36:56,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:36:56,684 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 189 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:36:56,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 575 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:36:56,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-12 02:36:56,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 130. [2024-11-12 02:36:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 74 states have internal predecessors, (98), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 02:36:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 206 transitions. [2024-11-12 02:36:56,719 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 206 transitions. Word has length 324 [2024-11-12 02:36:56,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:36:56,723 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 206 transitions. [2024-11-12 02:36:56,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-12 02:36:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 206 transitions. [2024-11-12 02:36:56,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-12 02:36:56,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:36:56,729 INFO L218 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:36:56,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 02:36:56,730 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:36:56,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:36:56,731 INFO L85 PathProgramCache]: Analyzing trace with hash 365985769, now seen corresponding path program 1 times [2024-11-12 02:36:56,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:36:56,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176873888] [2024-11-12 02:36:56,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:36:56,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:36:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:36:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:36:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:36:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:36:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:36:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:36:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:36:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:36:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:36:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:36:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:36:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:36:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:36:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:36:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:36:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:36:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:36:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:36:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:36:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:36:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:36:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:36:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:36:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:36:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:36:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 02:36:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 02:36:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 02:36:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 02:36:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 02:36:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 02:36:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 02:36:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 02:36:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 02:36:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 02:36:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 02:36:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 02:36:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 02:36:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 02:36:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 02:36:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 02:36:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 02:36:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 02:36:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 02:36:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 02:36:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 02:36:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 02:36:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 02:36:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-12 02:36:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 02:36:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-12 02:36:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 02:36:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 02:36:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-12 02:36:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:36:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-12 02:36:57,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:36:57,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176873888] [2024-11-12 02:36:57,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176873888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:36:57,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:36:57,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:36:57,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21321346] [2024-11-12 02:36:57,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:36:57,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:36:57,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:36:57,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:36:57,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:36:57,684 INFO L87 Difference]: Start difference. First operand 130 states and 206 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-12 02:36:57,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:36:57,970 INFO L93 Difference]: Finished difference Result 385 states and 614 transitions. [2024-11-12 02:36:57,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:36:57,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 324 [2024-11-12 02:36:57,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:36:57,979 INFO L225 Difference]: With dead ends: 385 [2024-11-12 02:36:57,981 INFO L226 Difference]: Without dead ends: 258 [2024-11-12 02:36:57,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:36:57,986 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 107 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:36:57,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 477 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 02:36:57,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-12 02:36:58,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 255. [2024-11-12 02:36:58,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 144 states have (on average 1.3263888888888888) internal successors, (191), 144 states have internal predecessors, (191), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 02:36:58,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 407 transitions. [2024-11-12 02:36:58,045 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 407 transitions. Word has length 324 [2024-11-12 02:36:58,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:36:58,047 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 407 transitions. [2024-11-12 02:36:58,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-12 02:36:58,048 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 407 transitions. [2024-11-12 02:36:58,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-12 02:36:58,053 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:36:58,053 INFO L218 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:36:58,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 02:36:58,054 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:36:58,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:36:58,055 INFO L85 PathProgramCache]: Analyzing trace with hash -913877909, now seen corresponding path program 1 times [2024-11-12 02:36:58,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:36:58,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127391317] [2024-11-12 02:36:58,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:36:58,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:36:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat