./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.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-100_file-28.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18ba50d64852b68ea2515543b9d6fd69509342b6bbaf4189c80d892ba3751848 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:46:19,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:46:19,495 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:46:19,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:46:19,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:46:19,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:46:19,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:46:19,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:46:19,529 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:46:19,530 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:46:19,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:46:19,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:46:19,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:46:19,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:46:19,535 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:46:19,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:46:19,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:46:19,535 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:46:19,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:46:19,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:46:19,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:46:19,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:46:19,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:46:19,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:46:19,537 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:46:19,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:46:19,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:46:19,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:46:19,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:46:19,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:46:19,538 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:46:19,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:46:19,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:46:19,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:46:19,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:46:19,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:46:19,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:46:19,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:46:19,539 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:46:19,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:46:19,539 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:46:19,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:46:19,541 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18ba50d64852b68ea2515543b9d6fd69509342b6bbaf4189c80d892ba3751848 [2024-11-12 01:46:19,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:46:19,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:46:19,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:46:19,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:46:19,811 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:46:19,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.i [2024-11-12 01:46:21,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:46:21,555 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:46:21,556 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.i [2024-11-12 01:46:21,570 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4620a336b/940e5986ba934badbc9c1c79dc937988/FLAGa31b9d305 [2024-11-12 01:46:21,582 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4620a336b/940e5986ba934badbc9c1c79dc937988 [2024-11-12 01:46:21,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:46:21,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:46:21,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:46:21,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:46:21,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:46:21,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:21,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7e2143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21, skipping insertion in model container [2024-11-12 01:46:21,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:21,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:46:21,775 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-100_file-28.i[916,929] [2024-11-12 01:46:21,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:46:21,896 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:46:21,907 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-100_file-28.i[916,929] [2024-11-12 01:46:21,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:46:21,973 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:46:21,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21 WrapperNode [2024-11-12 01:46:21,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:46:21,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:46:21,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:46:21,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:46:21,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:21,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:22,088 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 400 [2024-11-12 01:46:22,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:46:22,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:46:22,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:46:22,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:46:22,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:22,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:22,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:22,137 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 01:46:22,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:22,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:22,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:22,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:22,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:22,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:22,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:46:22,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:46:22,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:46:22,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:46:22,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (1/1) ... [2024-11-12 01:46:22,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:46:22,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:46:22,231 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 01:46:22,233 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 01:46:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:46:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:46:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:46:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:46:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:46:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:46:22,372 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:46:22,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:46:22,879 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-12 01:46:22,880 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:46:22,895 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:46:22,897 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:46:22,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:46:22 BoogieIcfgContainer [2024-11-12 01:46:22,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:46:22,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:46:22,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:46:22,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:46:22,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:46:21" (1/3) ... [2024-11-12 01:46:22,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6252b9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:46:22, skipping insertion in model container [2024-11-12 01:46:22,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:21" (2/3) ... [2024-11-12 01:46:22,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6252b9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:46:22, skipping insertion in model container [2024-11-12 01:46:22,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:46:22" (3/3) ... [2024-11-12 01:46:22,905 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-28.i [2024-11-12 01:46:22,919 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:46:22,919 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:46:22,981 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:46:22,985 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;@1160e793, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:46:22,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:46:22,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 107 states have (on average 1.3925233644859814) internal successors, (149), 108 states have internal predecessors, (149), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-12 01:46:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-11-12 01:46:23,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:46:23,014 INFO L218 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:23,015 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:46:23,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:46:23,023 INFO L85 PathProgramCache]: Analyzing trace with hash -877605464, now seen corresponding path program 1 times [2024-11-12 01:46:23,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:46:23,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740717815] [2024-11-12 01:46:23,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:46:23,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:46:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:46:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:46:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:46:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:46:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:46:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:46:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:46:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:46:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:46:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:46:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:46:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:46:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:46:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:46:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:46:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:46:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:46:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:46:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:46:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 01:46:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 01:46:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 01:46:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 01:46:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 01:46:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 01:46:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 01:46:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 01:46:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 01:46:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 01:46:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 01:46:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 01:46:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 01:46:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 01:46:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 01:46:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 01:46:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 01:46:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 01:46:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 01:46:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 01:46:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 01:46:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-12 01:46:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 01:46:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 01:46:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-12 01:46:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-12 01:46:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-12 01:46:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-12 01:46:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-12 01:46:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-12 01:46:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-12 01:46:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-12 01:46:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-12 01:46:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-12 01:46:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-12 01:46:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-12 01:46:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-12 01:46:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-12 01:46:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-12 01:46:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-12 01:46:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-12 01:46:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-12 01:46:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-12 01:46:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-12 01:46:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-12 01:46:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-11-12 01:46:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-12 01:46:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-11-12 01:46:23,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:46:23,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740717815] [2024-11-12 01:46:23,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740717815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:46:23,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:46:23,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 01:46:23,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005311588] [2024-11-12 01:46:23,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:46:23,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 01:46:23,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:46:23,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 01:46:23,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:46:23,837 INFO L87 Difference]: Start difference. First operand has 176 states, 107 states have (on average 1.3925233644859814) internal successors, (149), 108 states have internal predecessors, (149), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-11-12 01:46:23,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:46:23,887 INFO L93 Difference]: Finished difference Result 345 states and 622 transitions. [2024-11-12 01:46:23,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 01:46:23,889 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) Word has length 405 [2024-11-12 01:46:23,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:46:23,898 INFO L225 Difference]: With dead ends: 345 [2024-11-12 01:46:23,898 INFO L226 Difference]: Without dead ends: 172 [2024-11-12 01:46:23,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 200 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 01:46:23,906 INFO L435 NwaCegarLoop]: 274 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, 274 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 01:46:23,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:46:23,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-12 01:46:23,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-12 01:46:23,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-12 01:46:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 274 transitions. [2024-11-12 01:46:23,964 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 274 transitions. Word has length 405 [2024-11-12 01:46:23,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:46:23,966 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 274 transitions. [2024-11-12 01:46:23,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-11-12 01:46:23,967 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 274 transitions. [2024-11-12 01:46:24,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-11-12 01:46:24,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:46:24,001 INFO L218 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:24,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:46:24,004 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:46:24,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:46:24,005 INFO L85 PathProgramCache]: Analyzing trace with hash 164546332, now seen corresponding path program 1 times [2024-11-12 01:46:24,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:46:24,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732426374] [2024-11-12 01:46:24,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:46:24,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:46:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:46:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:46:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:46:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:46:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:46:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:46:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:46:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:46:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:46:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:46:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:46:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:46:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:46:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:46:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:46:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:46:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:46:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:46:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:46:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 01:46:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 01:46:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 01:46:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 01:46:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 01:46:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 01:46:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 01:46:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 01:46:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 01:46:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 01:46:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 01:46:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 01:46:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 01:46:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 01:46:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 01:46:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 01:46:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 01:46:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 01:46:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 01:46:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 01:46:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 01:46:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-12 01:46:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 01:46:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 01:46:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-12 01:46:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-12 01:46:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-12 01:46:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-12 01:46:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-12 01:46:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-12 01:46:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-12 01:46:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-12 01:46:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-12 01:46:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-12 01:46:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-12 01:46:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-12 01:46:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-12 01:46:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-12 01:46:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-12 01:46:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-12 01:46:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-12 01:46:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-12 01:46:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-12 01:46:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-12 01:46:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-12 01:46:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-11-12 01:46:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-12 01:46:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-11-12 01:46:24,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:46:24,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732426374] [2024-11-12 01:46:24,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732426374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:46:24,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:46:24,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:46:24,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255497158] [2024-11-12 01:46:24,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:46:24,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:46:24,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:46:24,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:46:24,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:46:24,907 INFO L87 Difference]: Start difference. First operand 172 states and 274 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-11-12 01:46:24,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:46:24,966 INFO L93 Difference]: Finished difference Result 510 states and 816 transitions. [2024-11-12 01:46:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:46:24,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 405 [2024-11-12 01:46:24,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:46:24,971 INFO L225 Difference]: With dead ends: 510 [2024-11-12 01:46:24,974 INFO L226 Difference]: Without dead ends: 341 [2024-11-12 01:46:24,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 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 01:46:24,976 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 154 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 537 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 [2024-11-12 01:46:24,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 537 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:46:24,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-12 01:46:25,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 339. [2024-11-12 01:46:25,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 204 states have (on average 1.3676470588235294) internal successors, (279), 204 states have internal predecessors, (279), 132 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-12 01:46:25,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 543 transitions. [2024-11-12 01:46:25,027 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 543 transitions. Word has length 405 [2024-11-12 01:46:25,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:46:25,028 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 543 transitions. [2024-11-12 01:46:25,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-11-12 01:46:25,029 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 543 transitions. [2024-11-12 01:46:25,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-11-12 01:46:25,032 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:46:25,032 INFO L218 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:25,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 01:46:25,033 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:46:25,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:46:25,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1159144113, now seen corresponding path program 1 times [2024-11-12 01:46:25,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:46:25,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811856211] [2024-11-12 01:46:25,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:46:25,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:46:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat