./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_loopvsstraightlinecode_100-1loop_file-68.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 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 07:06:24,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 07:06:24,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 07:06:24,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 07:06:24,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 07:06:24,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 07:06:24,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 07:06:24,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 07:06:24,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 07:06:24,629 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 07:06:24,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 07:06:24,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 07:06:24,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 07:06:24,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 07:06:24,631 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 07:06:24,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 07:06:24,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 07:06:24,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 07:06:24,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 07:06:24,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 07:06:24,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 07:06:24,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 07:06:24,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 07:06:24,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 07:06:24,638 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 07:06:24,638 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 07:06:24,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 07:06:24,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 07:06:24,639 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 07:06:24,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 07:06:24,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 07:06:24,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 07:06:24,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:06:24,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 07:06:24,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 07:06:24,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 07:06:24,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 07:06:24,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 07:06:24,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 07:06:24,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 07:06:24,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 07:06:24,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 07:06:24,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 [2024-11-10 07:06:24,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 07:06:24,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 07:06:24,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 07:06:24,939 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 07:06:24,939 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 07:06:24,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-10 07:06:26,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 07:06:26,601 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 07:06:26,602 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-10 07:06:26,617 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5d7d14fb/e1e21550dabc46db8cda8c903c2eefd7/FLAG41c605db0 [2024-11-10 07:06:26,629 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5d7d14fb/e1e21550dabc46db8cda8c903c2eefd7 [2024-11-10 07:06:26,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 07:06:26,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 07:06:26,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 07:06:26,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 07:06:26,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 07:06:26,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:06:26" (1/1) ... [2024-11-10 07:06:26,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20809f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:26, skipping insertion in model container [2024-11-10 07:06:26,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:06:26" (1/1) ... [2024-11-10 07:06:26,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 07:06:26,820 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_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2024-11-10 07:06:26,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:06:26,943 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 07:06:26,953 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_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2024-11-10 07:06:27,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:06:27,045 INFO L204 MainTranslator]: Completed translation [2024-11-10 07:06:27,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27 WrapperNode [2024-11-10 07:06:27,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 07:06:27,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 07:06:27,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 07:06:27,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 07:06:27,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,125 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 394 [2024-11-10 07:06:27,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 07:06:27,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 07:06:27,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 07:06:27,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 07:06:27,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,144 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,177 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]. [2024-11-10 07:06:27,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,206 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 07:06:27,236 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 07:06:27,237 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 07:06:27,237 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 07:06:27,237 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (1/1) ... [2024-11-10 07:06:27,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:06:27,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:06:27,272 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) [2024-11-10 07:06:27,278 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 [2024-11-10 07:06:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 07:06:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 07:06:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 07:06:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 07:06:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 07:06:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 07:06:27,462 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 07:06:27,465 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 07:06:28,146 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L216: havoc property_#t~bitwise33#1;havoc property_#t~short34#1;havoc property_#t~bitwise35#1;havoc property_#t~bitwise36#1;havoc property_#t~short37#1;havoc property_#t~bitwise38#1;havoc property_#t~short39#1;havoc property_#t~bitwise40#1;havoc property_#t~short41#1;havoc property_#t~bitwise42#1;havoc property_#t~bitwise43#1;havoc property_#t~short44#1; [2024-11-10 07:06:28,206 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-10 07:06:28,206 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 07:06:28,246 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 07:06:28,247 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 07:06:28,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:06:28 BoogieIcfgContainer [2024-11-10 07:06:28,248 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 07:06:28,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 07:06:28,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 07:06:28,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 07:06:28,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:06:26" (1/3) ... [2024-11-10 07:06:28,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d73aa8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:06:28, skipping insertion in model container [2024-11-10 07:06:28,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:06:27" (2/3) ... [2024-11-10 07:06:28,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d73aa8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:06:28, skipping insertion in model container [2024-11-10 07:06:28,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:06:28" (3/3) ... [2024-11-10 07:06:28,260 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-10 07:06:28,279 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 07:06:28,280 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 07:06:28,360 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 07:06:28,371 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;@3a745977, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 07:06:28,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 07:06:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 124 states have internal predecessors, (178), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 07:06:28,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-10 07:06:28,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:06:28,407 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:06:28,408 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:06:28,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:06:28,414 INFO L85 PathProgramCache]: Analyzing trace with hash -46803731, now seen corresponding path program 1 times [2024-11-10 07:06:28,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:06:28,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320853449] [2024-11-10 07:06:28,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:28,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:06:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:06:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:06:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:06:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:06:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:06:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:06:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:06:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:06:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:06:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:06:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:06:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:06:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:06:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:06:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:06:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:06:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:06:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:06:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:06:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:06:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:06:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:06:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:06:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:06:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:06:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:06:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:06:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:06:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:06:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:28,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:06:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:06:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:06:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:06:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:06:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:06:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:06:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:06:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:06:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:06:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:06:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 07:06:29,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:06:29,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320853449] [2024-11-10 07:06:29,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320853449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:06:29,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:06:29,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:06:29,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963816699] [2024-11-10 07:06:29,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:06:29,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 07:06:29,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:06:29,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 07:06:29,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:06:29,124 INFO L87 Difference]: Start difference. First operand has 166 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 124 states have internal predecessors, (178), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 07:06:29,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:06:29,200 INFO L93 Difference]: Finished difference Result 328 states and 552 transitions. [2024-11-10 07:06:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 07:06:29,204 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 271 [2024-11-10 07:06:29,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:06:29,215 INFO L225 Difference]: With dead ends: 328 [2024-11-10 07:06:29,216 INFO L226 Difference]: Without dead ends: 161 [2024-11-10 07:06:29,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:06:29,224 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:06:29,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 240 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:06:29,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-10 07:06:29,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-10 07:06:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 119 states have (on average 1.4285714285714286) internal successors, (170), 119 states have internal predecessors, (170), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 07:06:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 250 transitions. [2024-11-10 07:06:29,304 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 250 transitions. Word has length 271 [2024-11-10 07:06:29,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:06:29,305 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 250 transitions. [2024-11-10 07:06:29,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 07:06:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2024-11-10 07:06:29,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-10 07:06:29,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:06:29,311 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:06:29,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 07:06:29,312 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:06:29,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:06:29,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1068296945, now seen corresponding path program 1 times [2024-11-10 07:06:29,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:06:29,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298149122] [2024-11-10 07:06:29,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:29,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:06:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:06:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:06:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:06:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:06:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:06:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:06:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:06:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:06:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:06:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:06:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:06:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:06:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:06:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:06:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:06:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:06:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:06:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:06:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:06:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:06:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:06:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:06:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:06:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:06:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:06:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:06:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:06:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:06:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:06:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:06:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:06:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:06:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:06:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:06:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:06:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:06:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:06:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:06:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:06:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:06:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:29,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 07:06:29,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:06:29,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298149122] [2024-11-10 07:06:29,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298149122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:06:29,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:06:29,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 07:06:29,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231249761] [2024-11-10 07:06:29,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:06:29,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 07:06:29,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:06:29,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 07:06:29,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:06:29,913 INFO L87 Difference]: Start difference. First operand 161 states and 250 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:06:29,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:06:29,983 INFO L93 Difference]: Finished difference Result 319 states and 497 transitions. [2024-11-10 07:06:29,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 07:06:29,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-10 07:06:29,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:06:29,988 INFO L225 Difference]: With dead ends: 319 [2024-11-10 07:06:29,988 INFO L226 Difference]: Without dead ends: 161 [2024-11-10 07:06:29,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:06:29,990 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 0 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:06:29,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 465 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:06:29,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-10 07:06:30,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-10 07:06:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 119 states have (on average 1.4201680672268908) internal successors, (169), 119 states have internal predecessors, (169), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 07:06:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 249 transitions. [2024-11-10 07:06:30,017 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 249 transitions. Word has length 271 [2024-11-10 07:06:30,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:06:30,019 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 249 transitions. [2024-11-10 07:06:30,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:06:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 249 transitions. [2024-11-10 07:06:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-10 07:06:30,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:06:30,029 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:06:30,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 07:06:30,031 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:06:30,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:06:30,032 INFO L85 PathProgramCache]: Analyzing trace with hash -738531184, now seen corresponding path program 1 times [2024-11-10 07:06:30,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:06:30,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000568934] [2024-11-10 07:06:30,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:30,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:06:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:06:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:06:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:06:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:06:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:06:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:06:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:06:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:06:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:06:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:06:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:06:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:06:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:06:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:06:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:06:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:06:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:06:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:06:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:06:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:06:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:06:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:06:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:06:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:06:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:06:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:06:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:30,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:06:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:06:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:06:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:06:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:06:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:06:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:06:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:06:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:06:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:06:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:06:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:06:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:06:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:06:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 07:06:31,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:06:31,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000568934] [2024-11-10 07:06:31,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000568934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:06:31,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:06:31,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 07:06:31,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124650330] [2024-11-10 07:06:31,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:06:31,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 07:06:31,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:06:31,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 07:06:31,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:06:31,067 INFO L87 Difference]: Start difference. First operand 161 states and 249 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:06:31,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:06:31,654 INFO L93 Difference]: Finished difference Result 394 states and 606 transitions. [2024-11-10 07:06:31,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 07:06:31,656 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-10 07:06:31,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:06:31,663 INFO L225 Difference]: With dead ends: 394 [2024-11-10 07:06:31,664 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 07:06:31,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:06:31,666 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 266 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:06:31,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 635 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 07:06:31,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 07:06:31,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2024-11-10 07:06:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 186 states have (on average 1.4193548387096775) internal successors, (264), 187 states have internal predecessors, (264), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 07:06:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 350 transitions. [2024-11-10 07:06:31,714 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 350 transitions. Word has length 271 [2024-11-10 07:06:31,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:06:31,716 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 350 transitions. [2024-11-10 07:06:31,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:06:31,717 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 350 transitions. [2024-11-10 07:06:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-10 07:06:31,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:06:31,723 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:06:31,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 07:06:31,724 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:06:31,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:06:31,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1735603537, now seen corresponding path program 1 times [2024-11-10 07:06:31,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:06:31,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262604340] [2024-11-10 07:06:31,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:31,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:06:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:06:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:06:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:06:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:06:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:06:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:06:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:06:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:06:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:06:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:06:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:06:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:06:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:06:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:06:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:06:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:06:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:06:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:06:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:06:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:06:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:06:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:06:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:06:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:06:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:06:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:06:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:06:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:06:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:06:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:06:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:06:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:06:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:06:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:06:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:06:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:06:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:06:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:06:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:06:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:06:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:06:32,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:06:32,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262604340] [2024-11-10 07:06:32,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262604340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:06:32,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457918406] [2024-11-10 07:06:32,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:32,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:06:32,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:06:32,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:06:32,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 07:06:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:32,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 07:06:32,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:06:33,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1509 proven. 72 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2024-11-10 07:06:33,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:06:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:06:33,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457918406] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:06:33,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:06:33,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 13 [2024-11-10 07:06:33,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252883194] [2024-11-10 07:06:33,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:06:33,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:06:33,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:06:33,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:06:33,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:06:33,454 INFO L87 Difference]: Start difference. First operand 232 states and 350 transitions. Second operand has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2024-11-10 07:06:34,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:06:34,516 INFO L93 Difference]: Finished difference Result 517 states and 778 transitions. [2024-11-10 07:06:34,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 07:06:34,517 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) Word has length 271 [2024-11-10 07:06:34,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:06:34,520 INFO L225 Difference]: With dead ends: 517 [2024-11-10 07:06:34,520 INFO L226 Difference]: Without dead ends: 288 [2024-11-10 07:06:34,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2024-11-10 07:06:34,523 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 705 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:06:34,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 961 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:06:34,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-10 07:06:34,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2024-11-10 07:06:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 221 states have (on average 1.3574660633484164) internal successors, (300), 222 states have internal predecessors, (300), 53 states have call successors, (53), 5 states have call predecessors, (53), 5 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-10 07:06:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 406 transitions. [2024-11-10 07:06:34,564 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 406 transitions. Word has length 271 [2024-11-10 07:06:34,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:06:34,565 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 406 transitions. [2024-11-10 07:06:34,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2024-11-10 07:06:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 406 transitions. [2024-11-10 07:06:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 07:06:34,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:06:34,572 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:06:34,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 07:06:34,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:06:34,774 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:06:34,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:06:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1300188385, now seen corresponding path program 1 times [2024-11-10 07:06:34,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:06:34,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928987546] [2024-11-10 07:06:34,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:34,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:06:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:06:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:06:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:06:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:06:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:06:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:06:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:06:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:06:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:06:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:06:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:06:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:06:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:06:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:06:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:06:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:06:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:06:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:06:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:06:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:06:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:06:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:06:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:06:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:06:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:06:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:06:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:06:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:06:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:06:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:06:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:06:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:06:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:06:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:06:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:06:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:06:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:06:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:06:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:06:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:06:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 07:06:35,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:06:35,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928987546] [2024-11-10 07:06:35,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928987546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:06:35,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:06:35,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 07:06:35,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167030782] [2024-11-10 07:06:35,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:06:35,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 07:06:35,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:06:35,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 07:06:35,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:06:35,227 INFO L87 Difference]: Start difference. First operand 280 states and 406 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:06:35,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:06:35,326 INFO L93 Difference]: Finished difference Result 833 states and 1211 transitions. [2024-11-10 07:06:35,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 07:06:35,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 272 [2024-11-10 07:06:35,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:06:35,332 INFO L225 Difference]: With dead ends: 833 [2024-11-10 07:06:35,333 INFO L226 Difference]: Without dead ends: 556 [2024-11-10 07:06:35,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:06:35,334 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 157 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:06:35,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 517 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:06:35,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-10 07:06:35,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 553. [2024-11-10 07:06:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 436 states have (on average 1.353211009174312) internal successors, (590), 438 states have internal predecessors, (590), 106 states have call successors, (106), 10 states have call predecessors, (106), 10 states have return successors, (106), 104 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-10 07:06:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 802 transitions. [2024-11-10 07:06:35,398 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 802 transitions. Word has length 272 [2024-11-10 07:06:35,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:06:35,399 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 802 transitions. [2024-11-10 07:06:35,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:06:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 802 transitions. [2024-11-10 07:06:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-10 07:06:35,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:06:35,402 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:06:35,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 07:06:35,403 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:06:35,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:06:35,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1089422659, now seen corresponding path program 1 times [2024-11-10 07:06:35,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:06:35,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117875877] [2024-11-10 07:06:35,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:35,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:06:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:06:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:06:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:06:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:06:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:06:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:06:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:06:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:06:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:06:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:06:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:06:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:06:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:06:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:06:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:06:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:06:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:06:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:06:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:06:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:06:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:06:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:06:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:06:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:06:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:06:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:06:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:06:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:06:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:06:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:06:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:06:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:06:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:06:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:06:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:06:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:06:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:06:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:06:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:06:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:06:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 93 proven. 135 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-10 07:06:36,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:06:36,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117875877] [2024-11-10 07:06:36,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117875877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:06:36,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452952845] [2024-11-10 07:06:36,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:36,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:06:36,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:06:36,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:06:36,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 07:06:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:36,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 07:06:36,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:06:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1327 proven. 33 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-11-10 07:06:36,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:06:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:06:37,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452952845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:06:37,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:06:37,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-11-10 07:06:37,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044161501] [2024-11-10 07:06:37,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:06:37,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 07:06:37,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:06:37,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 07:06:37,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-10 07:06:37,154 INFO L87 Difference]: Start difference. First operand 553 states and 802 transitions. Second operand has 16 states, 16 states have (on average 8.9375) internal successors, (143), 16 states have internal predecessors, (143), 5 states have call successors, (86), 2 states have call predecessors, (86), 4 states have return successors, (88), 5 states have call predecessors, (88), 5 states have call successors, (88) [2024-11-10 07:06:37,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:06:37,977 INFO L93 Difference]: Finished difference Result 880 states and 1251 transitions. [2024-11-10 07:06:37,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 07:06:37,978 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.9375) internal successors, (143), 16 states have internal predecessors, (143), 5 states have call successors, (86), 2 states have call predecessors, (86), 4 states have return successors, (88), 5 states have call predecessors, (88), 5 states have call successors, (88) Word has length 273 [2024-11-10 07:06:37,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:06:37,985 INFO L225 Difference]: With dead ends: 880 [2024-11-10 07:06:37,985 INFO L226 Difference]: Without dead ends: 603 [2024-11-10 07:06:37,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=243, Invalid=627, Unknown=0, NotChecked=0, Total=870 [2024-11-10 07:06:37,987 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 587 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 07:06:37,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 587 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 07:06:37,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-10 07:06:38,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 587. [2024-11-10 07:06:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 462 states have (on average 1.3333333333333333) internal successors, (616), 464 states have internal predecessors, (616), 106 states have call successors, (106), 18 states have call predecessors, (106), 18 states have return successors, (106), 104 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-10 07:06:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 828 transitions. [2024-11-10 07:06:38,046 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 828 transitions. Word has length 273 [2024-11-10 07:06:38,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:06:38,046 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 828 transitions. [2024-11-10 07:06:38,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.9375) internal successors, (143), 16 states have internal predecessors, (143), 5 states have call successors, (86), 2 states have call predecessors, (86), 4 states have return successors, (88), 5 states have call predecessors, (88), 5 states have call successors, (88) [2024-11-10 07:06:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 828 transitions. [2024-11-10 07:06:38,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-10 07:06:38,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:06:38,052 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:06:38,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 07:06:38,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-10 07:06:38,253 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:06:38,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:06:38,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1579725356, now seen corresponding path program 1 times [2024-11-10 07:06:38,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:06:38,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450887853] [2024-11-10 07:06:38,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:38,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:06:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:06:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:06:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:06:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:06:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:06:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:06:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:06:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:06:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:06:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:06:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:06:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:06:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:06:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:06:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:06:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:38,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:06:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:06:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:06:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:06:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:06:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:06:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:06:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:06:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:06:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:06:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:06:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:06:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:06:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:06:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:06:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:06:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:06:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:06:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:06:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:06:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:06:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:06:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:06:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:06:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:06:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:06:39,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:06:39,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450887853] [2024-11-10 07:06:39,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450887853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:06:39,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060058987] [2024-11-10 07:06:39,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:39,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:06:39,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:06:39,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:06:39,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 07:06:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:39,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 07:06:39,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:06:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1543 proven. 147 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2024-11-10 07:06:39,944 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:06:40,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-11-10 07:06:40,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060058987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:06:40,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:06:40,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 17 [2024-11-10 07:06:40,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716517649] [2024-11-10 07:06:40,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:06:40,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 07:06:40,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:06:40,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 07:06:40,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-10 07:06:40,466 INFO L87 Difference]: Start difference. First operand 587 states and 828 transitions. Second operand has 17 states, 17 states have (on average 8.0) internal successors, (136), 17 states have internal predecessors, (136), 6 states have call successors, (92), 3 states have call predecessors, (92), 7 states have return successors, (94), 6 states have call predecessors, (94), 6 states have call successors, (94) [2024-11-10 07:06:41,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:06:41,938 INFO L93 Difference]: Finished difference Result 1339 states and 1838 transitions. [2024-11-10 07:06:41,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-10 07:06:41,939 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.0) internal successors, (136), 17 states have internal predecessors, (136), 6 states have call successors, (92), 3 states have call predecessors, (92), 7 states have return successors, (94), 6 states have call predecessors, (94), 6 states have call successors, (94) Word has length 273 [2024-11-10 07:06:41,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:06:41,946 INFO L225 Difference]: With dead ends: 1339 [2024-11-10 07:06:41,947 INFO L226 Difference]: Without dead ends: 755 [2024-11-10 07:06:41,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 661 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=464, Invalid=1258, Unknown=0, NotChecked=0, Total=1722 [2024-11-10 07:06:41,950 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 982 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 07:06:41,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 1337 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 07:06:41,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-11-10 07:06:42,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 728. [2024-11-10 07:06:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 549 states have (on average 1.2768670309653916) internal successors, (701), 551 states have internal predecessors, (701), 140 states have call successors, (140), 38 states have call predecessors, (140), 38 states have return successors, (140), 138 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-10 07:06:42,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 981 transitions. [2024-11-10 07:06:42,025 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 981 transitions. Word has length 273 [2024-11-10 07:06:42,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:06:42,026 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 981 transitions. [2024-11-10 07:06:42,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.0) internal successors, (136), 17 states have internal predecessors, (136), 6 states have call successors, (92), 3 states have call predecessors, (92), 7 states have return successors, (94), 6 states have call predecessors, (94), 6 states have call successors, (94) [2024-11-10 07:06:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 981 transitions. [2024-11-10 07:06:42,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-10 07:06:42,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:06:42,030 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:06:42,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 07:06:42,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:06:42,231 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:06:42,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:06:42,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1246509031, now seen corresponding path program 1 times [2024-11-10 07:06:42,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:06:42,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500920947] [2024-11-10 07:06:42,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:42,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:06:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:06:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:06:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:06:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:06:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:06:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:06:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:06:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:06:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:06:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:06:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:06:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:06:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:06:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:06:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:06:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:06:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:06:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:06:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:06:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:06:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:06:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:06:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:06:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:06:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:06:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:06:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:06:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:06:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:06:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:06:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:06:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:06:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:06:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:06:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:06:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:06:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:06:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:06:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:06:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:06:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 36 proven. 81 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:06:43,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:06:43,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500920947] [2024-11-10 07:06:43,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500920947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:06:43,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404917984] [2024-11-10 07:06:43,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:43,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:06:43,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:06:43,378 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:06:43,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 07:06:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:43,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 07:06:43,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:06:44,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1985 proven. 87 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2024-11-10 07:06:44,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:06:44,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 246 proven. 96 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-11-10 07:06:44,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404917984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:06:44,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:06:44,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2024-11-10 07:06:44,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573145604] [2024-11-10 07:06:44,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:06:44,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-10 07:06:44,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:06:44,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-10 07:06:44,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-11-10 07:06:44,972 INFO L87 Difference]: Start difference. First operand 728 states and 981 transitions. Second operand has 30 states, 29 states have (on average 5.931034482758621) internal successors, (172), 28 states have internal predecessors, (172), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) [2024-11-10 07:06:49,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:06:49,762 INFO L93 Difference]: Finished difference Result 3344 states and 4385 transitions. [2024-11-10 07:06:49,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-10 07:06:49,763 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 5.931034482758621) internal successors, (172), 28 states have internal predecessors, (172), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) Word has length 275 [2024-11-10 07:06:49,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:06:49,777 INFO L225 Difference]: With dead ends: 3344 [2024-11-10 07:06:49,778 INFO L226 Difference]: Without dead ends: 2619 [2024-11-10 07:06:49,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 627 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3672 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2675, Invalid=9315, Unknown=0, NotChecked=0, Total=11990 [2024-11-10 07:06:49,785 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 3097 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 2300 mSolverCounterSat, 603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3097 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 2903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 603 IncrementalHoareTripleChecker+Valid, 2300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:06:49,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3097 Valid, 1167 Invalid, 2903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [603 Valid, 2300 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-10 07:06:49,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2619 states. [2024-11-10 07:06:49,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2619 to 792. [2024-11-10 07:06:49,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 597 states have (on average 1.2412060301507537) internal successors, (741), 599 states have internal predecessors, (741), 140 states have call successors, (140), 54 states have call predecessors, (140), 54 states have return successors, (140), 138 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-10 07:06:49,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1021 transitions. [2024-11-10 07:06:49,960 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1021 transitions. Word has length 275 [2024-11-10 07:06:49,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:06:49,960 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1021 transitions. [2024-11-10 07:06:49,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 5.931034482758621) internal successors, (172), 28 states have internal predecessors, (172), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) [2024-11-10 07:06:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1021 transitions. [2024-11-10 07:06:49,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-10 07:06:49,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:06:49,966 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:06:49,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 07:06:50,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:06:50,171 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:06:50,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:06:50,172 INFO L85 PathProgramCache]: Analyzing trace with hash 856205476, now seen corresponding path program 1 times [2024-11-10 07:06:50,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:06:50,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627147224] [2024-11-10 07:06:50,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:50,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:06:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:06:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:06:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:06:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:06:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:06:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:06:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:06:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:06:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:06:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:06:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:06:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:06:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:06:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:06:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:06:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:06:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:06:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:06:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:06:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:06:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:06:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:06:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:06:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:06:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:06:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:06:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:06:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:06:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:06:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:06:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:06:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:06:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:06:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:06:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:06:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:06:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:06:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:06:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:06:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:06:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 07:06:50,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:06:50,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627147224] [2024-11-10 07:06:50,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627147224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:06:50,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:06:50,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:06:50,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747855754] [2024-11-10 07:06:50,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:06:50,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:06:50,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:06:50,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:06:50,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:06:50,790 INFO L87 Difference]: Start difference. First operand 792 states and 1021 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:06:51,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:06:51,129 INFO L93 Difference]: Finished difference Result 1944 states and 2537 transitions. [2024-11-10 07:06:51,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 07:06:51,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 278 [2024-11-10 07:06:51,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:06:51,139 INFO L225 Difference]: With dead ends: 1944 [2024-11-10 07:06:51,139 INFO L226 Difference]: Without dead ends: 1155 [2024-11-10 07:06:51,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:06:51,147 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 184 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:06:51,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 625 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:06:51,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-10 07:06:51,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1148. [2024-11-10 07:06:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 937 states have (on average 1.2817502668089649) internal successors, (1201), 943 states have internal predecessors, (1201), 152 states have call successors, (152), 58 states have call predecessors, (152), 58 states have return successors, (152), 146 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-10 07:06:51,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1505 transitions. [2024-11-10 07:06:51,304 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1505 transitions. Word has length 278 [2024-11-10 07:06:51,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:06:51,305 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1505 transitions. [2024-11-10 07:06:51,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:06:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1505 transitions. [2024-11-10 07:06:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-10 07:06:51,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:06:51,308 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:06:51,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 07:06:51,308 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:06:51,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:06:51,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1503101533, now seen corresponding path program 1 times [2024-11-10 07:06:51,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:06:51,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604191528] [2024-11-10 07:06:51,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:51,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:06:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:06:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:06:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:06:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:06:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:06:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:06:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:06:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:06:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:06:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:06:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:06:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:06:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:06:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:06:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:06:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:06:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:06:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:06:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:06:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:06:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:06:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:06:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:06:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:06:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:06:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:06:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:06:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:06:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:06:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:06:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:06:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:06:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:06:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:06:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:06:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:06:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:06:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:06:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:06:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:06:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:06:51,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 07:06:51,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:06:51,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604191528] [2024-11-10 07:06:51,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604191528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:06:51,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:06:51,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:06:51,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584757725] [2024-11-10 07:06:51,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:06:51,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:06:51,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:06:51,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:06:51,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:06:51,761 INFO L87 Difference]: Start difference. First operand 1148 states and 1505 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:06:52,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:06:52,154 INFO L93 Difference]: Finished difference Result 2457 states and 3251 transitions. [2024-11-10 07:06:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 07:06:52,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 278 [2024-11-10 07:06:52,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:06:52,171 INFO L225 Difference]: With dead ends: 2457 [2024-11-10 07:06:52,171 INFO L226 Difference]: Without dead ends: 1312 [2024-11-10 07:06:52,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:06:52,181 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 230 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:06:52,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 496 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:06:52,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2024-11-10 07:06:52,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1164. [2024-11-10 07:06:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 953 states have (on average 1.2770199370409234) internal successors, (1217), 959 states have internal predecessors, (1217), 152 states have call successors, (152), 58 states have call predecessors, (152), 58 states have return successors, (152), 146 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-10 07:06:52,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1521 transitions. [2024-11-10 07:06:52,508 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1521 transitions. Word has length 278 [2024-11-10 07:06:52,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:06:52,509 INFO L471 AbstractCegarLoop]: Abstraction has 1164 states and 1521 transitions. [2024-11-10 07:06:52,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:06:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1521 transitions. [2024-11-10 07:06:52,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-10 07:06:52,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:06:52,512 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:06:52,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 07:06:52,512 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:06:52,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:06:52,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1570108286, now seen corresponding path program 1 times [2024-11-10 07:06:52,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:06:52,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162102928] [2024-11-10 07:06:52,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:06:52,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:06:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat