./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.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 a9741d9253f3a1c34b363b1f78a0a60d9588ccafe85a5c037fb56edb8bf20d1f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:20:09,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:20:09,140 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:20:09,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:20:09,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:20:09,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:20:09,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:20:09,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:20:09,172 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:20:09,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:20:09,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:20:09,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:20:09,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:20:09,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:20:09,178 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:20:09,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:20:09,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:20:09,179 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:20:09,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:20:09,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:20:09,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:20:09,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:20:09,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:20:09,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:20:09,183 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:20:09,183 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:20:09,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:20:09,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:20:09,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:20:09,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:20:09,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:20:09,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:20:09,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:20:09,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:20:09,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:20:09,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:20:09,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:20:09,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:20:09,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:20:09,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:20:09,189 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:20:09,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:20:09,190 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9741d9253f3a1c34b363b1f78a0a60d9588ccafe85a5c037fb56edb8bf20d1f [2024-11-12 01:20:09,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:20:09,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:20:09,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:20:09,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:20:09,523 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:20:09,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i [2024-11-12 01:20:11,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:20:11,262 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:20:11,263 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i [2024-11-12 01:20:11,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06ea5fd9/6bbfd6b8ff8c46c992f1dccd11657fe2/FLAG5682e87c3 [2024-11-12 01:20:11,291 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06ea5fd9/6bbfd6b8ff8c46c992f1dccd11657fe2 [2024-11-12 01:20:11,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:20:11,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:20:11,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:20:11,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:20:11,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:20:11,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159043e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11, skipping insertion in model container [2024-11-12 01:20:11,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:20:11,527 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_codestructure_normal_file-86.i[913,926] [2024-11-12 01:20:11,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:20:11,604 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:20:11,617 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_codestructure_normal_file-86.i[913,926] [2024-11-12 01:20:11,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:20:11,673 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:20:11,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11 WrapperNode [2024-11-12 01:20:11,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:20:11,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:20:11,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:20:11,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:20:11,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,737 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2024-11-12 01:20:11,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:20:11,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:20:11,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:20:11,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:20:11,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,757 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,776 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 01:20:11,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:20:11,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:20:11,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:20:11,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:20:11,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (1/1) ... [2024-11-12 01:20:11,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:20:11,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:20:11,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 01:20:11,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 01:20:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:20:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:20:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:20:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:20:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:20:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:20:11,975 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:20:11,977 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:20:12,405 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-12 01:20:12,405 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:20:12,424 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:20:12,426 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:20:12,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:20:12 BoogieIcfgContainer [2024-11-12 01:20:12,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:20:12,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:20:12,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:20:12,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:20:12,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:20:11" (1/3) ... [2024-11-12 01:20:12,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7f0b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:20:12, skipping insertion in model container [2024-11-12 01:20:12,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:20:11" (2/3) ... [2024-11-12 01:20:12,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7f0b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:20:12, skipping insertion in model container [2024-11-12 01:20:12,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:20:12" (3/3) ... [2024-11-12 01:20:12,438 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-86.i [2024-11-12 01:20:12,460 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:20:12,460 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:20:12,548 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:20:12,555 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;@48bff934, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:20:12,555 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:20:12,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:20:12,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-12 01:20:12,576 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:20:12,577 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:20:12,578 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:20:12,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:20:12,584 INFO L85 PathProgramCache]: Analyzing trace with hash -560862835, now seen corresponding path program 1 times [2024-11-12 01:20:12,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:20:12,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131808779] [2024-11-12 01:20:12,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:20:12,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:20:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:12,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:20:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:12,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:20:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:12,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:20:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:12,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:20:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:12,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:20:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:12,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:20:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:12,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:20:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:12,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:20:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:12,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:20:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:20:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:20:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:20:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:20:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:20:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:20:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:20:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:20:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:20:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:20:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:20:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:20:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:20:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:20:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:20:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:20:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:20:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:20:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:20:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 01:20:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:20:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 01:20:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:13,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 01:20:13,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:20:13,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131808779] [2024-11-12 01:20:13,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131808779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:20:13,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:20:13,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 01:20:13,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197183849] [2024-11-12 01:20:13,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:20:13,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 01:20:13,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:20:13,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 01:20:13,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:20:13,186 INFO L87 Difference]: Start difference. First operand has 76 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-12 01:20:13,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:20:13,228 INFO L93 Difference]: Finished difference Result 145 states and 263 transitions. [2024-11-12 01:20:13,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 01:20:13,231 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 186 [2024-11-12 01:20:13,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:20:13,240 INFO L225 Difference]: With dead ends: 145 [2024-11-12 01:20:13,241 INFO L226 Difference]: Without dead ends: 72 [2024-11-12 01:20:13,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:20:13,251 INFO L435 NwaCegarLoop]: 112 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, 112 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:20:13,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:20:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-12 01:20:13,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-12 01:20:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:20:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 112 transitions. [2024-11-12 01:20:13,314 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 112 transitions. Word has length 186 [2024-11-12 01:20:13,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:20:13,314 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 112 transitions. [2024-11-12 01:20:13,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-12 01:20:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2024-11-12 01:20:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-12 01:20:13,322 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:20:13,322 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:20:13,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:20:13,323 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:20:13,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:20:13,324 INFO L85 PathProgramCache]: Analyzing trace with hash -926672629, now seen corresponding path program 1 times [2024-11-12 01:20:13,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:20:13,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266850243] [2024-11-12 01:20:13,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:20:13,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:20:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:20:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:20:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:20:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:20:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:20:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:20:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:20:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:20:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:20:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:20:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:20:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:20:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:20:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:20:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:20:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:20:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:20:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:20:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:20:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:20:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:20:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:20:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:20:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:20:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:20:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:20:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:20:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:20:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 01:20:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:20:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 01:20:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 01:20:27,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:20:27,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266850243] [2024-11-12 01:20:27,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266850243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:20:27,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:20:27,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 01:20:27,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039690229] [2024-11-12 01:20:27,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:20:27,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 01:20:27,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:20:27,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 01:20:27,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:20:27,713 INFO L87 Difference]: Start difference. First operand 72 states and 112 transitions. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:20:29,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:20:29,451 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2024-11-12 01:20:29,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 01:20:29,453 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 186 [2024-11-12 01:20:29,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:20:29,458 INFO L225 Difference]: With dead ends: 191 [2024-11-12 01:20:29,459 INFO L226 Difference]: Without dead ends: 122 [2024-11-12 01:20:29,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2024-11-12 01:20:29,461 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 102 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 01:20:29,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 464 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 01:20:29,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-12 01:20:29,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 82. [2024-11-12 01:20:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 49 states have internal predecessors, (64), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:20:29,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 126 transitions. [2024-11-12 01:20:29,482 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 126 transitions. Word has length 186 [2024-11-12 01:20:29,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:20:29,484 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 126 transitions. [2024-11-12 01:20:29,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:20:29,484 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2024-11-12 01:20:29,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-12 01:20:29,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:20:29,489 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:20:29,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 01:20:29,490 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:20:29,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:20:29,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1319699639, now seen corresponding path program 1 times [2024-11-12 01:20:29,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:20:29,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502359584] [2024-11-12 01:20:29,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:20:29,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:20:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:20:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:20:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:20:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:20:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:20:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:20:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:20:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:20:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:20:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:20:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:20:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:20:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:20:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:20:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:20:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:20:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:20:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:20:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:20:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:20:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:20:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:20:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:20:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:20:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:20:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:20:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:20:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:20:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 01:20:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:20:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 01:20:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 01:20:29,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:20:29,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502359584] [2024-11-12 01:20:29,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502359584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:20:29,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:20:29,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:20:29,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791773563] [2024-11-12 01:20:29,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:20:29,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:20:29,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:20:29,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:20:29,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:20:29,692 INFO L87 Difference]: Start difference. First operand 82 states and 126 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:20:29,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:20:29,730 INFO L93 Difference]: Finished difference Result 190 states and 289 transitions. [2024-11-12 01:20:29,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:20:29,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 186 [2024-11-12 01:20:29,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:20:29,735 INFO L225 Difference]: With dead ends: 190 [2024-11-12 01:20:29,735 INFO L226 Difference]: Without dead ends: 111 [2024-11-12 01:20:29,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:20:29,740 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 45 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:20:29,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 256 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:20:29,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-12 01:20:29,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 108. [2024-11-12 01:20:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 67 states have internal predecessors, (85), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-12 01:20:29,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 163 transitions. [2024-11-12 01:20:29,768 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 163 transitions. Word has length 186 [2024-11-12 01:20:29,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:20:29,769 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 163 transitions. [2024-11-12 01:20:29,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:20:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2024-11-12 01:20:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-12 01:20:29,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:20:29,772 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:20:29,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 01:20:29,773 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:20:29,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:20:29,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1298466405, now seen corresponding path program 1 times [2024-11-12 01:20:29,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:20:29,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273031869] [2024-11-12 01:20:29,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:20:29,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:20:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:20:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:20:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:20:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:20:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:20:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:20:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:20:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:20:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:20:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:20:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:20:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:20:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:20:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:20:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:20:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:20:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:20:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:20:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:20:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:20:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:20:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:20:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:20:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:20:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:20:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:20:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:20:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:20:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 01:20:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:20:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 01:20:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 01:20:38,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:20:38,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273031869] [2024-11-12 01:20:38,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273031869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:20:38,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:20:38,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 01:20:38,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156381949] [2024-11-12 01:20:38,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:20:38,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 01:20:38,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:20:38,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 01:20:38,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:20:38,213 INFO L87 Difference]: Start difference. First operand 108 states and 163 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:20:41,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:20:41,477 INFO L93 Difference]: Finished difference Result 150 states and 211 transitions. [2024-11-12 01:20:41,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 01:20:41,478 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 187 [2024-11-12 01:20:41,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:20:41,482 INFO L225 Difference]: With dead ends: 150 [2024-11-12 01:20:41,482 INFO L226 Difference]: Without dead ends: 148 [2024-11-12 01:20:41,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=132, Invalid=248, Unknown=0, NotChecked=0, Total=380 [2024-11-12 01:20:41,488 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 174 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 01:20:41,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 578 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 01:20:41,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-12 01:20:41,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 112. [2024-11-12 01:20:41,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 71 states have internal predecessors, (92), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-12 01:20:41,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 170 transitions. [2024-11-12 01:20:41,519 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 170 transitions. Word has length 187 [2024-11-12 01:20:41,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:20:41,520 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 170 transitions. [2024-11-12 01:20:41,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:20:41,520 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2024-11-12 01:20:41,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-12 01:20:41,525 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:20:41,525 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:20:41,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 01:20:41,526 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:20:41,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:20:41,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1241208103, now seen corresponding path program 1 times [2024-11-12 01:20:41,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:20:41,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198385551] [2024-11-12 01:20:41,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:20:41,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:20:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:20:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:20:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:20:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:20:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:20:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:20:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:20:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:20:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:20:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:20:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:20:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:20:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:20:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:20:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:20:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:20:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:20:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:20:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:20:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:20:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:20:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:20:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:20:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:20:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:20:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:20:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:20:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:20:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 01:20:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:20:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 01:20:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 01:20:50,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:20:50,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198385551] [2024-11-12 01:20:50,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198385551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:20:50,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:20:50,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 01:20:50,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276268479] [2024-11-12 01:20:50,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:20:50,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 01:20:50,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:20:50,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 01:20:50,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:20:50,937 INFO L87 Difference]: Start difference. First operand 112 states and 170 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:20:53,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:20:53,705 INFO L93 Difference]: Finished difference Result 147 states and 208 transitions. [2024-11-12 01:20:53,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 01:20:53,708 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 187 [2024-11-12 01:20:53,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:20:53,710 INFO L225 Difference]: With dead ends: 147 [2024-11-12 01:20:53,710 INFO L226 Difference]: Without dead ends: 145 [2024-11-12 01:20:53,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=123, Invalid=219, Unknown=0, NotChecked=0, Total=342 [2024-11-12 01:20:53,712 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 135 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 01:20:53,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 639 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 01:20:53,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-12 01:20:53,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 113. [2024-11-12 01:20:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 71 states have (on average 1.323943661971831) internal successors, (94), 72 states have internal predecessors, (94), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-12 01:20:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 172 transitions. [2024-11-12 01:20:53,726 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 172 transitions. Word has length 187 [2024-11-12 01:20:53,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:20:53,727 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 172 transitions. [2024-11-12 01:20:53,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:20:53,728 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 172 transitions. [2024-11-12 01:20:53,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-12 01:20:53,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:20:53,729 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:20:53,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 01:20:53,730 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:20:53,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:20:53,730 INFO L85 PathProgramCache]: Analyzing trace with hash -761053642, now seen corresponding path program 1 times [2024-11-12 01:20:53,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:20:53,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15198919] [2024-11-12 01:20:53,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:20:53,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:20:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:21:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:21:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:21:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:21:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:21:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:21:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:21:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:21:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:21:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:21:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:21:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:21:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:21:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:21:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:21:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:21:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:21:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:21:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:21:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:21:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:21:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:21:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:21:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:21:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:21:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:21:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:21:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:21:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 01:21:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:21:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 01:21:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 01:21:04,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:21:04,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15198919] [2024-11-12 01:21:04,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15198919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:21:04,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:21:04,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 01:21:04,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552835388] [2024-11-12 01:21:04,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:21:04,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 01:21:04,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:21:04,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 01:21:04,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:21:04,878 INFO L87 Difference]: Start difference. First operand 113 states and 172 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:21:08,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:21:08,534 INFO L93 Difference]: Finished difference Result 156 states and 219 transitions. [2024-11-12 01:21:08,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 01:21:08,535 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 187 [2024-11-12 01:21:08,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:21:08,537 INFO L225 Difference]: With dead ends: 156 [2024-11-12 01:21:08,537 INFO L226 Difference]: Without dead ends: 154 [2024-11-12 01:21:08,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2024-11-12 01:21:08,538 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 103 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 01:21:08,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 548 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 01:21:08,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-12 01:21:08,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 115. [2024-11-12 01:21:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 74 states have internal predecessors, (98), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-12 01:21:08,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 176 transitions. [2024-11-12 01:21:08,558 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 176 transitions. Word has length 187 [2024-11-12 01:21:08,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:21:08,559 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 176 transitions. [2024-11-12 01:21:08,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:21:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 176 transitions. [2024-11-12 01:21:08,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-12 01:21:08,561 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:21:08,561 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:21:08,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 01:21:08,561 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:21:08,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:21:08,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1013953720, now seen corresponding path program 1 times [2024-11-12 01:21:08,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:21:08,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226450019] [2024-11-12 01:21:08,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:21:08,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:21:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:21:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:21:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:21:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:21:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:21:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:21:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:21:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:21:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:21:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:21:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:21:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:21:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:21:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:21:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:21:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:21:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:21:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:21:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:21:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:21:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:21:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:21:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:21:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:21:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:21:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:21:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:21:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:21:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 01:21:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:21:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 01:21:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:21:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 01:21:16,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:21:16,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226450019] [2024-11-12 01:21:16,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226450019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:21:16,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:21:16,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 01:21:16,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93723083] [2024-11-12 01:21:16,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:21:16,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 01:21:16,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:21:16,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 01:21:16,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:21:16,851 INFO L87 Difference]: Start difference. First operand 115 states and 176 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:21:19,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:21:19,393 INFO L93 Difference]: Finished difference Result 157 states and 219 transitions. [2024-11-12 01:21:19,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 01:21:19,394 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 187 [2024-11-12 01:21:19,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:21:19,395 INFO L225 Difference]: With dead ends: 157 [2024-11-12 01:21:19,395 INFO L226 Difference]: Without dead ends: 155 [2024-11-12 01:21:19,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2024-11-12 01:21:19,396 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 104 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 01:21:19,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 530 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 01:21:19,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-12 01:21:19,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 115. [2024-11-12 01:21:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 74 states have internal predecessors, (98), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-12 01:21:19,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 176 transitions. [2024-11-12 01:21:19,415 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 176 transitions. Word has length 187 [2024-11-12 01:21:19,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:21:19,416 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 176 transitions. [2024-11-12 01:21:19,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 01:21:19,416 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 176 transitions. [2024-11-12 01:21:19,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-12 01:21:19,418 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:21:19,419 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:21:19,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 01:21:19,419 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:21:19,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:21:19,420 INFO L85 PathProgramCache]: Analyzing trace with hash 665966823, now seen corresponding path program 1 times [2024-11-12 01:21:19,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:21:19,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876429618] [2024-11-12 01:21:19,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:21:19,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:21:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat