./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3471f06dc12ad44598fd2961f3d0cb274ed30b5886ce0a764ca9d78e786b896 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 20:35:30,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 20:35:30,658 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 20:35:30,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 20:35:30,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 20:35:30,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 20:35:30,684 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 20:35:30,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 20:35:30,685 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 20:35:30,686 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 20:35:30,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 20:35:30,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 20:35:30,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 20:35:30,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 20:35:30,689 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 20:35:30,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 20:35:30,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 20:35:30,690 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 20:35:30,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 20:35:30,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 20:35:30,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 20:35:30,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 20:35:30,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 20:35:30,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 20:35:30,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 20:35:30,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 20:35:30,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 20:35:30,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 20:35:30,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 20:35:30,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 20:35:30,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 20:35:30,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 20:35:30,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:35:30,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 20:35:30,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 20:35:30,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 20:35:30,699 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 20:35:30,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 20:35:30,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 20:35:30,699 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 20:35:30,700 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 20:35:30,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 20:35:30,700 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3471f06dc12ad44598fd2961f3d0cb274ed30b5886ce0a764ca9d78e786b896 [2024-11-08 20:35:31,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 20:35:31,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 20:35:31,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 20:35:31,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 20:35:31,063 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 20:35:31,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-11-08 20:35:32,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 20:35:32,815 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 20:35:32,815 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-11-08 20:35:32,838 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4932806/22b413f7da55449a95ec8909468866c2/FLAG1b2a0e6c7 [2024-11-08 20:35:33,151 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4932806/22b413f7da55449a95ec8909468866c2 [2024-11-08 20:35:33,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 20:35:33,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 20:35:33,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 20:35:33,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 20:35:33,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 20:35:33,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3173cf7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33, skipping insertion in model container [2024-11-08 20:35:33,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 20:35:33,394 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i[916,929] [2024-11-08 20:35:33,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:35:33,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 20:35:33,556 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i[916,929] [2024-11-08 20:35:33,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:35:33,644 INFO L204 MainTranslator]: Completed translation [2024-11-08 20:35:33,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33 WrapperNode [2024-11-08 20:35:33,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 20:35:33,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 20:35:33,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 20:35:33,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 20:35:33,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,739 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 513 [2024-11-08 20:35:33,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 20:35:33,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 20:35:33,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 20:35:33,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 20:35:33,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,763 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,803 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]. [2024-11-08 20:35:33,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 20:35:33,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 20:35:33,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 20:35:33,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 20:35:33,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (1/1) ... [2024-11-08 20:35:33,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:35:33,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 20:35:33,903 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) [2024-11-08 20:35:33,908 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 [2024-11-08 20:35:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 20:35:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 20:35:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 20:35:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 20:35:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 20:35:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 20:35:34,108 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 20:35:34,110 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 20:35:35,201 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 20:35:35,202 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 20:35:35,227 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 20:35:35,227 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 20:35:35,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:35:35 BoogieIcfgContainer [2024-11-08 20:35:35,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 20:35:35,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 20:35:35,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 20:35:35,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 20:35:35,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 08:35:33" (1/3) ... [2024-11-08 20:35:35,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a73b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:35:35, skipping insertion in model container [2024-11-08 20:35:35,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:35:33" (2/3) ... [2024-11-08 20:35:35,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a73b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:35:35, skipping insertion in model container [2024-11-08 20:35:35,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:35:35" (3/3) ... [2024-11-08 20:35:35,240 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-11-08 20:35:35,258 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 20:35:35,259 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 20:35:35,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 20:35:35,344 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;@29ca362d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 20:35:35,344 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 20:35:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 152 states have (on average 1.5526315789473684) internal successors, (236), 153 states have internal predecessors, (236), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-08 20:35:35,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-08 20:35:35,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:35:35,373 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:35:35,373 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:35:35,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:35:35,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1225199051, now seen corresponding path program 1 times [2024-11-08 20:35:35,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:35:35,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436689608] [2024-11-08 20:35:35,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:35:35,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:35:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:35,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:35:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:35,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 20:35:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:35,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 20:35:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:35,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 20:35:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 20:35:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:35,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 20:35:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 20:35:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 20:35:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 20:35:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 20:35:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 20:35:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 20:35:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 20:35:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 20:35:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 20:35:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 20:35:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 20:35:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 20:35:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 20:35:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 20:35:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:35:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:35:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 20:35:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:35:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 20:35:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:35:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 20:35:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 20:35:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 20:35:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 20:35:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 20:35:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 20:35:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 20:35:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 20:35:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 20:35:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 20:35:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-08 20:35:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 20:35:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 20:35:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 20:35:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 20:35:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 20:35:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 20:35:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 20:35:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 20:35:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-08 20:35:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-08 20:35:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-08 20:35:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-08 20:35:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-08 20:35:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-08 20:35:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-08 20:35:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-08 20:35:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-08 20:35:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-08 20:35:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-08 20:35:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-08 20:35:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-08 20:35:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-08 20:35:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-08 20:35:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-08 20:35:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-08 20:35:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-08 20:35:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-08 20:35:36,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:35:36,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436689608] [2024-11-08 20:35:36,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436689608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:35:36,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:35:36,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 20:35:36,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410052710] [2024-11-08 20:35:36,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:35:36,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 20:35:36,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:35:36,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 20:35:36,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:35:36,440 INFO L87 Difference]: Start difference. First operand has 218 states, 152 states have (on average 1.5526315789473684) internal successors, (236), 153 states have internal predecessors, (236), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-08 20:35:36,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:35:36,506 INFO L93 Difference]: Finished difference Result 428 states and 779 transitions. [2024-11-08 20:35:36,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 20:35:36,508 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) Word has length 408 [2024-11-08 20:35:36,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:35:36,521 INFO L225 Difference]: With dead ends: 428 [2024-11-08 20:35:36,521 INFO L226 Difference]: Without dead ends: 213 [2024-11-08 20:35:36,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:35:36,530 INFO L432 NwaCegarLoop]: 352 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, 352 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 [2024-11-08 20:35:36,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:35:36,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-08 20:35:36,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-08 20:35:36,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 148 states have (on average 1.527027027027027) internal successors, (226), 148 states have internal predecessors, (226), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-08 20:35:36,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 352 transitions. [2024-11-08 20:35:36,610 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 352 transitions. Word has length 408 [2024-11-08 20:35:36,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:35:36,611 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 352 transitions. [2024-11-08 20:35:36,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-08 20:35:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 352 transitions. [2024-11-08 20:35:36,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-08 20:35:36,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:35:36,628 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:35:36,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 20:35:36,628 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:35:36,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:35:36,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1394793373, now seen corresponding path program 1 times [2024-11-08 20:35:36,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:35:36,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304120183] [2024-11-08 20:35:36,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:35:36,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:35:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:35:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 20:35:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 20:35:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 20:35:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 20:35:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 20:35:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 20:35:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 20:35:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 20:35:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 20:35:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 20:35:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 20:35:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 20:35:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 20:35:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 20:35:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 20:35:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 20:35:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 20:35:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 20:35:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 20:35:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:35:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:35:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 20:35:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:35:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 20:35:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:35:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 20:35:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 20:35:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 20:35:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 20:35:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 20:35:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 20:35:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 20:35:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 20:35:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 20:35:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 20:35:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-08 20:35:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 20:35:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 20:35:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 20:35:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 20:35:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 20:35:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 20:35:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 20:35:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 20:35:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-08 20:35:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-08 20:35:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-08 20:35:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-08 20:35:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-08 20:35:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-08 20:35:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-08 20:35:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-08 20:35:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-08 20:35:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-08 20:35:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-08 20:35:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-08 20:35:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-08 20:35:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-08 20:35:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-08 20:35:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-08 20:35:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-08 20:35:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-08 20:35:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-08 20:35:37,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:35:37,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304120183] [2024-11-08 20:35:37,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304120183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:35:37,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:35:37,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 20:35:37,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729839844] [2024-11-08 20:35:37,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:35:37,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 20:35:37,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:35:37,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 20:35:37,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 20:35:37,373 INFO L87 Difference]: Start difference. First operand 213 states and 352 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 20:35:37,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:35:37,645 INFO L93 Difference]: Finished difference Result 775 states and 1286 transitions. [2024-11-08 20:35:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 20:35:37,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 408 [2024-11-08 20:35:37,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:35:37,661 INFO L225 Difference]: With dead ends: 775 [2024-11-08 20:35:37,661 INFO L226 Difference]: Without dead ends: 565 [2024-11-08 20:35:37,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 20:35:37,668 INFO L432 NwaCegarLoop]: 422 mSDtfsCounter, 668 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 20:35:37,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 1232 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 20:35:37,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-08 20:35:37,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 556. [2024-11-08 20:35:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 429 states have (on average 1.5827505827505828) internal successors, (679), 432 states have internal predecessors, (679), 122 states have call successors, (122), 4 states have call predecessors, (122), 4 states have return successors, (122), 119 states have call predecessors, (122), 122 states have call successors, (122) [2024-11-08 20:35:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 923 transitions. [2024-11-08 20:35:37,748 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 923 transitions. Word has length 408 [2024-11-08 20:35:37,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:35:37,751 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 923 transitions. [2024-11-08 20:35:37,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 20:35:37,751 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 923 transitions. [2024-11-08 20:35:37,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-08 20:35:37,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:35:37,757 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:35:37,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 20:35:37,758 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:35:37,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:35:37,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1950170470, now seen corresponding path program 1 times [2024-11-08 20:35:37,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:35:37,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393131900] [2024-11-08 20:35:37,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:35:37,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:35:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:35:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 20:35:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 20:35:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 20:35:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 20:35:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 20:35:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 20:35:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 20:35:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 20:35:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 20:35:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 20:35:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 20:35:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 20:35:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 20:35:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 20:35:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 20:35:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 20:35:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 20:35:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 20:35:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 20:35:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:35:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:35:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 20:35:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:35:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 20:35:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:35:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 20:35:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 20:35:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 20:35:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 20:35:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 20:35:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 20:35:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 20:35:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 20:35:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 20:35:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 20:35:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-08 20:35:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 20:35:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 20:35:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 20:35:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 20:35:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 20:35:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 20:35:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 20:35:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 20:35:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-08 20:35:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-08 20:35:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-08 20:35:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-08 20:35:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-08 20:35:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-08 20:35:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-08 20:35:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-08 20:35:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-08 20:35:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-08 20:35:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-08 20:35:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-08 20:35:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-08 20:35:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-08 20:35:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-08 20:35:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-08 20:35:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-08 20:35:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-08 20:35:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-08 20:35:38,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:35:38,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393131900] [2024-11-08 20:35:38,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393131900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:35:38,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:35:38,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 20:35:38,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132114521] [2024-11-08 20:35:38,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:35:38,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 20:35:38,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:35:38,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 20:35:38,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:35:38,733 INFO L87 Difference]: Start difference. First operand 556 states and 923 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 20:35:38,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:35:38,870 INFO L93 Difference]: Finished difference Result 1453 states and 2404 transitions. [2024-11-08 20:35:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 20:35:38,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 409 [2024-11-08 20:35:38,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:35:38,884 INFO L225 Difference]: With dead ends: 1453 [2024-11-08 20:35:38,887 INFO L226 Difference]: Without dead ends: 900 [2024-11-08 20:35:38,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:35:38,891 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 237 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 20:35:38,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 760 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 20:35:38,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-11-08 20:35:38,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 897. [2024-11-08 20:35:38,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 674 states have (on average 1.5593471810089021) internal successors, (1051), 678 states have internal predecessors, (1051), 214 states have call successors, (214), 8 states have call predecessors, (214), 8 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-08 20:35:38,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1479 transitions. [2024-11-08 20:35:38,996 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1479 transitions. Word has length 409 [2024-11-08 20:35:38,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:35:38,998 INFO L471 AbstractCegarLoop]: Abstraction has 897 states and 1479 transitions. [2024-11-08 20:35:38,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 20:35:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1479 transitions. [2024-11-08 20:35:39,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-08 20:35:39,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:35:39,003 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:35:39,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 20:35:39,003 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:35:39,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:35:39,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1249264057, now seen corresponding path program 1 times [2024-11-08 20:35:39,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:35:39,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304890166] [2024-11-08 20:35:39,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:35:39,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:35:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:35:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 20:35:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 20:35:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 20:35:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 20:35:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 20:35:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 20:35:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 20:35:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 20:35:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 20:35:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 20:35:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 20:35:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 20:35:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 20:35:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 20:35:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 20:35:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 20:35:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 20:35:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 20:35:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 20:35:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:35:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:35:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 20:35:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:35:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 20:35:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:35:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 20:35:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 20:35:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 20:35:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 20:35:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 20:35:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 20:35:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 20:35:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 20:35:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 20:35:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 20:35:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-08 20:35:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 20:35:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 20:35:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 20:35:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 20:35:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 20:35:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 20:35:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 20:35:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 20:35:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-08 20:35:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-08 20:35:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-08 20:35:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-08 20:35:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-08 20:35:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-08 20:35:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-08 20:35:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-08 20:35:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-08 20:35:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-08 20:35:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-08 20:35:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-08 20:35:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-08 20:35:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-08 20:35:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-08 20:35:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-08 20:35:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-08 20:35:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-08 20:35:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-08 20:35:39,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:35:39,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304890166] [2024-11-08 20:35:39,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304890166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:35:39,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:35:39,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 20:35:39,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316293820] [2024-11-08 20:35:39,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:35:39,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 20:35:39,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:35:39,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 20:35:39,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:35:39,414 INFO L87 Difference]: Start difference. First operand 897 states and 1479 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 20:35:39,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:35:39,485 INFO L93 Difference]: Finished difference Result 1462 states and 2408 transitions. [2024-11-08 20:35:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 20:35:39,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 409 [2024-11-08 20:35:39,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:35:39,492 INFO L225 Difference]: With dead ends: 1462 [2024-11-08 20:35:39,492 INFO L226 Difference]: Without dead ends: 909 [2024-11-08 20:35:39,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:35:39,495 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 201 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 795 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 [2024-11-08 20:35:39,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 795 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:35:39,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-08 20:35:39,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 736. [2024-11-08 20:35:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 543 states have (on average 1.5414364640883977) internal successors, (837), 545 states have internal predecessors, (837), 184 states have call successors, (184), 8 states have call predecessors, (184), 8 states have return successors, (184), 182 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-08 20:35:39,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1205 transitions. [2024-11-08 20:35:39,568 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1205 transitions. Word has length 409 [2024-11-08 20:35:39,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:35:39,569 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 1205 transitions. [2024-11-08 20:35:39,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 20:35:39,570 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1205 transitions. [2024-11-08 20:35:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-08 20:35:39,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:35:39,573 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:35:39,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 20:35:39,574 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:35:39,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:35:39,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1339530375, now seen corresponding path program 1 times [2024-11-08 20:35:39,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:35:39,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525787153] [2024-11-08 20:35:39,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:35:39,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:35:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:35:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 20:35:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 20:35:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 20:35:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 20:35:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 20:35:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 20:35:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 20:35:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 20:35:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 20:35:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 20:35:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 20:35:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 20:35:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 20:35:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 20:35:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 20:35:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 20:35:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 20:35:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 20:35:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 20:35:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:35:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:35:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 20:35:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:35:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 20:35:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:35:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 20:35:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 20:35:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 20:35:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 20:35:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 20:35:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 20:35:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 20:35:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 20:35:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 20:35:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 20:35:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-08 20:35:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 20:35:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 20:35:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 20:35:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 20:35:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 20:35:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 20:35:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 20:35:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 20:35:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-08 20:35:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-08 20:35:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-08 20:35:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-08 20:35:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-08 20:35:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-08 20:35:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-08 20:35:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-08 20:35:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-08 20:35:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-08 20:35:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-08 20:35:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-08 20:35:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-08 20:35:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-08 20:35:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-08 20:35:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-08 20:35:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-08 20:35:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-08 20:35:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-08 20:35:40,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:35:40,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525787153] [2024-11-08 20:35:40,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525787153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:35:40,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:35:40,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 20:35:40,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79736085] [2024-11-08 20:35:40,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:35:40,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 20:35:40,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:35:40,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 20:35:40,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:35:40,268 INFO L87 Difference]: Start difference. First operand 736 states and 1205 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 20:35:40,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:35:40,370 INFO L93 Difference]: Finished difference Result 1533 states and 2493 transitions. [2024-11-08 20:35:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 20:35:40,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 409 [2024-11-08 20:35:40,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:35:40,377 INFO L225 Difference]: With dead ends: 1533 [2024-11-08 20:35:40,377 INFO L226 Difference]: Without dead ends: 800 [2024-11-08 20:35:40,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:35:40,380 INFO L432 NwaCegarLoop]: 405 mSDtfsCounter, 214 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:35:40,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 610 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:35:40,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-08 20:35:40,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 799. [2024-11-08 20:35:40,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 574 states have (on average 1.5034843205574913) internal successors, (863), 577 states have internal predecessors, (863), 211 states have call successors, (211), 13 states have call predecessors, (211), 13 states have return successors, (211), 208 states have call predecessors, (211), 211 states have call successors, (211) [2024-11-08 20:35:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1285 transitions. [2024-11-08 20:35:40,452 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1285 transitions. Word has length 409 [2024-11-08 20:35:40,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:35:40,453 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1285 transitions. [2024-11-08 20:35:40,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 20:35:40,453 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1285 transitions. [2024-11-08 20:35:40,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-11-08 20:35:40,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:35:40,457 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:35:40,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 20:35:40,458 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:35:40,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:35:40,458 INFO L85 PathProgramCache]: Analyzing trace with hash -692890184, now seen corresponding path program 1 times [2024-11-08 20:35:40,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:35:40,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941202168] [2024-11-08 20:35:40,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:35:40,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:35:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:35:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 20:35:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 20:35:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 20:35:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 20:35:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 20:35:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 20:35:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 20:35:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 20:35:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 20:35:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 20:35:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 20:35:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 20:35:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 20:35:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 20:35:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 20:35:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 20:35:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 20:35:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 20:35:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 20:35:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:35:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:35:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 20:35:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:35:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 20:35:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:35:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 20:35:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 20:35:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 20:35:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 20:35:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 20:35:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 20:35:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 20:35:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 20:35:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 20:35:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 20:35:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-08 20:35:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 20:35:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 20:35:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 20:35:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 20:35:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 20:35:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 20:35:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 20:35:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 20:35:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-08 20:35:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-08 20:35:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-08 20:35:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-08 20:35:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-08 20:35:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-08 20:35:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:43,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-08 20:35:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-08 20:35:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-08 20:35:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-08 20:35:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-08 20:35:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-08 20:35:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-08 20:35:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-08 20:35:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-08 20:35:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-08 20:35:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-08 20:35:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-08 20:35:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:35:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-11-08 20:35:44,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:35:44,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941202168] [2024-11-08 20:35:44,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941202168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:35:44,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:35:44,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 20:35:44,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388292379] [2024-11-08 20:35:44,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:35:44,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 20:35:44,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:35:44,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 20:35:44,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-08 20:35:44,059 INFO L87 Difference]: Start difference. First operand 799 states and 1285 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 20:35:48,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:35:48,346 INFO L93 Difference]: Finished difference Result 1834 states and 2943 transitions. [2024-11-08 20:35:48,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 20:35:48,351 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 411 [2024-11-08 20:35:48,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:35:48,363 INFO L225 Difference]: With dead ends: 1834 [2024-11-08 20:35:48,363 INFO L226 Difference]: Without dead ends: 1434 [2024-11-08 20:35:48,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2024-11-08 20:35:48,368 INFO L432 NwaCegarLoop]: 710 mSDtfsCounter, 1256 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 3776 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-08 20:35:48,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 3776 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-08 20:35:48,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2024-11-08 20:35:48,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1384. [2024-11-08 20:35:48,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1384 states, 1051 states have (on average 1.5299714557564223) internal successors, (1608), 1059 states have internal predecessors, (1608), 306 states have call successors, (306), 26 states have call predecessors, (306), 26 states have return successors, (306), 298 states have call predecessors, (306), 306 states have call successors, (306) [2024-11-08 20:35:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 2220 transitions. [2024-11-08 20:35:48,489 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 2220 transitions. Word has length 411 [2024-11-08 20:35:48,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:35:48,490 INFO L471 AbstractCegarLoop]: Abstraction has 1384 states and 2220 transitions. [2024-11-08 20:35:48,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-11-08 20:35:48,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 2220 transitions. [2024-11-08 20:35:48,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-11-08 20:35:48,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:35:48,495 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:35:48,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 20:35:48,495 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:35:48,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:35:48,496 INFO L85 PathProgramCache]: Analyzing trace with hash -941036678, now seen corresponding path program 1 times [2024-11-08 20:35:48,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:35:48,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599963542] [2024-11-08 20:35:48,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:35:48,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:35:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat