./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.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 fab5880c6add66d25f9dda30d1a24e14051ec77fdefc3f83f67a5e43bacfe3df --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:15:49,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:15:49,894 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:15:49,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:15:49,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:15:49,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:15:49,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:15:49,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:15:49,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:15:49,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:15:49,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:15:49,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:15:49,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:15:49,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:15:49,935 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:15:49,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:15:49,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:15:49,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:15:49,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:15:49,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:15:49,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:15:49,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:15:49,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:15:49,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:15:49,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:15:49,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:15:49,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:15:49,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:15:49,944 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:15:49,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:15:49,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:15:49,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:15:49,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:15:49,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:15:49,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:15:49,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:15:49,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:15:49,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:15:49,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:15:49,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:15:49,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:15:49,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:15:49,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab5880c6add66d25f9dda30d1a24e14051ec77fdefc3f83f67a5e43bacfe3df [2024-11-16 15:15:50,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:15:50,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:15:50,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:15:50,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:15:50,245 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:15:50,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-11-16 15:15:51,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:15:51,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:15:51,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-11-16 15:15:51,665 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ad5fe42e/38d08ab6469c440ca809a507f346ca5e/FLAG855c8b0b4 [2024-11-16 15:15:51,679 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ad5fe42e/38d08ab6469c440ca809a507f346ca5e [2024-11-16 15:15:51,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:15:51,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:15:51,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:15:51,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:15:51,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:15:51,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:15:51" (1/1) ... [2024-11-16 15:15:51,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e52679d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:51, skipping insertion in model container [2024-11-16 15:15:51,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:15:51" (1/1) ... [2024-11-16 15:15:51,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:15:51,882 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i[919,932] [2024-11-16 15:15:51,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:15:51,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:15:51,989 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i[919,932] [2024-11-16 15:15:52,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:15:52,058 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:15:52,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52 WrapperNode [2024-11-16 15:15:52,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:15:52,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:15:52,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:15:52,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:15:52,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,106 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 247 [2024-11-16 15:15:52,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:15:52,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:15:52,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:15:52,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:15:52,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,136 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]. [2024-11-16 15:15:52,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:15:52,155 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:15:52,155 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:15:52,155 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:15:52,156 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (1/1) ... [2024-11-16 15:15:52,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:15:52,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:15:52,191 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) [2024-11-16 15:15:52,194 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 [2024-11-16 15:15:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:15:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:15:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:15:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:15:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:15:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:15:52,350 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:15:52,352 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:15:52,739 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc property_#t~bitwise21#1;havoc property_#t~ite23#1;havoc property_#t~bitwise22#1;havoc property_#t~short24#1; [2024-11-16 15:15:52,787 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-16 15:15:52,787 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:15:52,813 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:15:52,813 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:15:52,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:15:52 BoogieIcfgContainer [2024-11-16 15:15:52,814 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:15:52,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:15:52,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:15:52,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:15:52,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:15:51" (1/3) ... [2024-11-16 15:15:52,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e62d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:15:52, skipping insertion in model container [2024-11-16 15:15:52,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:52" (2/3) ... [2024-11-16 15:15:52,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e62d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:15:52, skipping insertion in model container [2024-11-16 15:15:52,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:15:52" (3/3) ... [2024-11-16 15:15:52,825 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-11-16 15:15:52,842 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:15:52,843 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:15:52,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:15:52,914 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8e2f796, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:15:52,915 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:15:52,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 15:15:52,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-16 15:15:52,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:15:52,937 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:15:52,937 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:15:52,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:15:52,944 INFO L85 PathProgramCache]: Analyzing trace with hash -149973706, now seen corresponding path program 1 times [2024-11-16 15:15:52,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:15:52,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546949767] [2024-11-16 15:15:52,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:15:52,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:15:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:15:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:15:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:15:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:15:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:15:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:15:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:15:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:15:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:15:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:15:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:15:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:15:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:15:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:15:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:15:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:15:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:15:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 15:15:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:15:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:15:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:15:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:15:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:15:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:15:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:15:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:15:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:15:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:15:53,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:15:53,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546949767] [2024-11-16 15:15:53,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546949767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:15:53,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:15:53,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:15:53,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524460804] [2024-11-16 15:15:53,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:15:53,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:15:53,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:15:53,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:15:53,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:15:53,493 INFO L87 Difference]: Start difference. First operand has 106 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 15:15:53,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:15:53,526 INFO L93 Difference]: Finished difference Result 204 states and 352 transitions. [2024-11-16 15:15:53,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:15:53,528 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 181 [2024-11-16 15:15:53,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:15:53,535 INFO L225 Difference]: With dead ends: 204 [2024-11-16 15:15:53,535 INFO L226 Difference]: Without dead ends: 101 [2024-11-16 15:15:53,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:15:53,542 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:15:53,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:15:53,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-16 15:15:53,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-16 15:15:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 72 states have internal predecessors, (104), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 15:15:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 158 transitions. [2024-11-16 15:15:53,593 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 158 transitions. Word has length 181 [2024-11-16 15:15:53,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:15:53,596 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 158 transitions. [2024-11-16 15:15:53,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 15:15:53,597 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2024-11-16 15:15:53,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-16 15:15:53,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:15:53,601 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:15:53,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:15:53,602 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:15:53,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:15:53,603 INFO L85 PathProgramCache]: Analyzing trace with hash -319564205, now seen corresponding path program 1 times [2024-11-16 15:15:53,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:15:53,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294218714] [2024-11-16 15:15:53,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:15:53,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:15:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:15:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:15:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:15:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:15:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:15:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:15:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:15:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:15:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:15:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:15:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:15:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:15:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:15:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:15:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:15:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:15:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:15:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 15:15:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:15:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:15:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:15:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:15:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:15:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:15:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:15:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:15:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:15:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:15:54,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:15:54,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294218714] [2024-11-16 15:15:54,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294218714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:15:54,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:15:54,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:15:54,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842727567] [2024-11-16 15:15:54,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:15:54,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:15:54,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:15:54,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:15:54,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:15:54,251 INFO L87 Difference]: Start difference. First operand 101 states and 158 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:15:54,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:15:54,463 INFO L93 Difference]: Finished difference Result 329 states and 515 transitions. [2024-11-16 15:15:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:15:54,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-16 15:15:54,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:15:54,467 INFO L225 Difference]: With dead ends: 329 [2024-11-16 15:15:54,467 INFO L226 Difference]: Without dead ends: 231 [2024-11-16 15:15:54,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:15:54,469 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 172 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:15:54,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 479 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:15:54,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-16 15:15:54,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 198. [2024-11-16 15:15:54,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 141 states have (on average 1.446808510638298) internal successors, (204), 141 states have internal predecessors, (204), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 15:15:54,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 312 transitions. [2024-11-16 15:15:54,511 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 312 transitions. Word has length 181 [2024-11-16 15:15:54,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:15:54,513 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 312 transitions. [2024-11-16 15:15:54,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:15:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 312 transitions. [2024-11-16 15:15:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-16 15:15:54,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:15:54,516 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:15:54,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:15:54,516 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:15:54,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:15:54,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1603050021, now seen corresponding path program 1 times [2024-11-16 15:15:54,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:15:54,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658609652] [2024-11-16 15:15:54,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:15:54,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:15:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:15:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:15:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:15:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:15:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:15:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:15:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:15:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:15:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:15:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:15:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:15:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:15:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:15:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:15:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:15:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:15:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:15:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 15:15:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:15:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:15:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:15:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:15:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:15:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:15:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:15:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:15:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:15:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:15:54,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:15:54,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658609652] [2024-11-16 15:15:54,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658609652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:15:54,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:15:54,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:15:54,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46975963] [2024-11-16 15:15:54,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:15:54,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:15:54,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:15:54,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:15:54,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:15:54,836 INFO L87 Difference]: Start difference. First operand 198 states and 312 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:15:55,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:15:55,172 INFO L93 Difference]: Finished difference Result 584 states and 920 transitions. [2024-11-16 15:15:55,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 15:15:55,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-16 15:15:55,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:15:55,180 INFO L225 Difference]: With dead ends: 584 [2024-11-16 15:15:55,180 INFO L226 Difference]: Without dead ends: 389 [2024-11-16 15:15:55,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:15:55,184 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 191 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:15:55,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 557 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:15:55,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-16 15:15:55,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 202. [2024-11-16 15:15:55,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 145 states have (on average 1.4344827586206896) internal successors, (208), 145 states have internal predecessors, (208), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 15:15:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 316 transitions. [2024-11-16 15:15:55,241 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 316 transitions. Word has length 182 [2024-11-16 15:15:55,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:15:55,242 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 316 transitions. [2024-11-16 15:15:55,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:15:55,242 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 316 transitions. [2024-11-16 15:15:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 15:15:55,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:15:55,244 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:15:55,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:15:55,244 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:15:55,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:15:55,245 INFO L85 PathProgramCache]: Analyzing trace with hash -523736362, now seen corresponding path program 1 times [2024-11-16 15:15:55,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:15:55,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716495515] [2024-11-16 15:15:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:15:55,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:15:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:15:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:15:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:15:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:15:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:15:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:15:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:15:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:15:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:15:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:15:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:15:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:15:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:15:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:15:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:15:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:15:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:15:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 15:15:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:15:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:15:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:15:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:15:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:15:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:15:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:15:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:15:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:15:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:15:56,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:15:56,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716495515] [2024-11-16 15:15:56,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716495515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:15:56,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:15:56,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 15:15:56,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838890029] [2024-11-16 15:15:56,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:15:56,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 15:15:56,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:15:56,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 15:15:56,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 15:15:56,854 INFO L87 Difference]: Start difference. First operand 202 states and 316 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:15:57,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:15:57,363 INFO L93 Difference]: Finished difference Result 601 states and 928 transitions. [2024-11-16 15:15:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 15:15:57,364 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-16 15:15:57,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:15:57,368 INFO L225 Difference]: With dead ends: 601 [2024-11-16 15:15:57,368 INFO L226 Difference]: Without dead ends: 402 [2024-11-16 15:15:57,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:15:57,372 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 227 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:15:57,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 506 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 15:15:57,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-16 15:15:57,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 282. [2024-11-16 15:15:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 197 states have (on average 1.4263959390862944) internal successors, (281), 197 states have internal predecessors, (281), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 15:15:57,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 443 transitions. [2024-11-16 15:15:57,418 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 443 transitions. Word has length 183 [2024-11-16 15:15:57,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:15:57,419 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 443 transitions. [2024-11-16 15:15:57,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:15:57,419 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 443 transitions. [2024-11-16 15:15:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 15:15:57,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:15:57,421 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:15:57,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:15:57,422 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:15:57,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:15:57,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1315911589, now seen corresponding path program 1 times [2024-11-16 15:15:57,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:15:57,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761394764] [2024-11-16 15:15:57,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:15:57,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:15:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:15:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:15:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:15:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:15:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:15:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:15:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:15:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:15:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:15:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:15:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:15:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:15:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:15:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:15:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:15:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:15:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:15:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 15:15:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:15:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:15:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:15:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:15:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:15:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:15:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:15:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:15:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:15:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:15:59,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:15:59,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761394764] [2024-11-16 15:15:59,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761394764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:15:59,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:15:59,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 15:15:59,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088330586] [2024-11-16 15:15:59,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:15:59,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 15:15:59,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:15:59,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 15:15:59,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-16 15:15:59,988 INFO L87 Difference]: Start difference. First operand 282 states and 443 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:16:01,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:16:01,955 INFO L93 Difference]: Finished difference Result 747 states and 1124 transitions. [2024-11-16 15:16:01,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 15:16:01,955 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-16 15:16:01,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:16:01,958 INFO L225 Difference]: With dead ends: 747 [2024-11-16 15:16:01,958 INFO L226 Difference]: Without dead ends: 548 [2024-11-16 15:16:01,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-16 15:16:01,959 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 411 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:16:01,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 872 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 15:16:01,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-16 15:16:01,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 373. [2024-11-16 15:16:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 276 states have (on average 1.4094202898550725) internal successors, (389), 278 states have internal predecessors, (389), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-16 15:16:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 571 transitions. [2024-11-16 15:16:01,988 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 571 transitions. Word has length 183 [2024-11-16 15:16:01,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:16:01,989 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 571 transitions. [2024-11-16 15:16:01,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:16:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 571 transitions. [2024-11-16 15:16:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 15:16:01,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:16:01,990 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:16:01,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:16:01,991 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:16:01,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:16:01,991 INFO L85 PathProgramCache]: Analyzing trace with hash 426898746, now seen corresponding path program 1 times [2024-11-16 15:16:01,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:16:01,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710848206] [2024-11-16 15:16:01,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:16:01,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:16:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:16:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:16:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:16:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:16:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:16:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:16:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:16:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:16:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:16:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:16:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:16:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:16:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:16:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:16:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:16:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:16:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:16:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 15:16:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:16:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:16:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:16:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:16:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:16:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:16:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:16:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:16:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:16:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:16:04,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:16:04,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710848206] [2024-11-16 15:16:04,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710848206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:16:04,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:16:04,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:16:04,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685252460] [2024-11-16 15:16:04,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:16:04,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:16:04,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:16:04,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:16:04,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:16:04,253 INFO L87 Difference]: Start difference. First operand 373 states and 571 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:16:05,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:16:05,448 INFO L93 Difference]: Finished difference Result 1005 states and 1497 transitions. [2024-11-16 15:16:05,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 15:16:05,449 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-16 15:16:05,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:16:05,453 INFO L225 Difference]: With dead ends: 1005 [2024-11-16 15:16:05,453 INFO L226 Difference]: Without dead ends: 719 [2024-11-16 15:16:05,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-16 15:16:05,455 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 444 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 15:16:05,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 556 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 15:16:05,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-16 15:16:05,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 424. [2024-11-16 15:16:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 327 states have (on average 1.4067278287461773) internal successors, (460), 329 states have internal predecessors, (460), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-16 15:16:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 642 transitions. [2024-11-16 15:16:05,497 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 642 transitions. Word has length 183 [2024-11-16 15:16:05,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:16:05,497 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 642 transitions. [2024-11-16 15:16:05,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:16:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 642 transitions. [2024-11-16 15:16:05,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 15:16:05,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:16:05,499 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:16:05,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 15:16:05,499 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:16:05,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:16:05,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1512425094, now seen corresponding path program 1 times [2024-11-16 15:16:05,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:16:05,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832759263] [2024-11-16 15:16:05,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:16:05,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:16:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:16:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:16:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:16:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:16:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:16:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:16:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:16:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:16:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:16:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:16:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:16:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:16:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:16:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:16:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:16:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:16:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:16:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 15:16:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:16:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:16:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:16:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:16:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:16:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:16:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:16:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:16:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:16:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:16:07,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:16:07,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832759263] [2024-11-16 15:16:07,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832759263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:16:07,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:16:07,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:16:07,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686700750] [2024-11-16 15:16:07,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:16:07,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:16:07,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:16:07,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:16:07,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:16:07,803 INFO L87 Difference]: Start difference. First operand 424 states and 642 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:16:09,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:16:09,121 INFO L93 Difference]: Finished difference Result 1082 states and 1592 transitions. [2024-11-16 15:16:09,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 15:16:09,122 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-16 15:16:09,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:16:09,126 INFO L225 Difference]: With dead ends: 1082 [2024-11-16 15:16:09,127 INFO L226 Difference]: Without dead ends: 747 [2024-11-16 15:16:09,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-16 15:16:09,129 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 350 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 15:16:09,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 651 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 15:16:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-16 15:16:09,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 584. [2024-11-16 15:16:09,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 487 states have (on average 1.4168377823408624) internal successors, (690), 489 states have internal predecessors, (690), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-16 15:16:09,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 872 transitions. [2024-11-16 15:16:09,162 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 872 transitions. Word has length 183 [2024-11-16 15:16:09,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:16:09,164 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 872 transitions. [2024-11-16 15:16:09,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:16:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 872 transitions. [2024-11-16 15:16:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 15:16:09,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:16:09,165 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:16:09,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 15:16:09,166 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:16:09,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:16:09,166 INFO L85 PathProgramCache]: Analyzing trace with hash 983815447, now seen corresponding path program 1 times [2024-11-16 15:16:09,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:16:09,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993190416] [2024-11-16 15:16:09,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:16:09,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:16:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:16:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:16:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:16:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:16:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:16:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:16:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:16:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:16:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:16:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:16:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:16:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:16:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:16:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:16:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:16:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:16:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:16:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 15:16:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:16:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:16:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:16:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:16:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:16:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:16:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:16:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:16:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:16:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:16:09,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:16:09,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993190416] [2024-11-16 15:16:09,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993190416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:16:09,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:16:09,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:16:09,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262676235] [2024-11-16 15:16:09,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:16:09,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:16:09,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:16:09,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:16:09,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:16:09,499 INFO L87 Difference]: Start difference. First operand 584 states and 872 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:16:09,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:16:09,748 INFO L93 Difference]: Finished difference Result 975 states and 1455 transitions. [2024-11-16 15:16:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:16:09,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-16 15:16:09,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:16:09,751 INFO L225 Difference]: With dead ends: 975 [2024-11-16 15:16:09,751 INFO L226 Difference]: Without dead ends: 593 [2024-11-16 15:16:09,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:16:09,752 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 123 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:16:09,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 381 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:16:09,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-16 15:16:09,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 534. [2024-11-16 15:16:09,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 437 states have (on average 1.3844393592677346) internal successors, (605), 439 states have internal predecessors, (605), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-16 15:16:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 787 transitions. [2024-11-16 15:16:09,802 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 787 transitions. Word has length 183 [2024-11-16 15:16:09,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:16:09,802 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 787 transitions. [2024-11-16 15:16:09,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:16:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 787 transitions. [2024-11-16 15:16:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 15:16:09,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:16:09,804 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:16:09,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 15:16:09,805 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:16:09,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:16:09,805 INFO L85 PathProgramCache]: Analyzing trace with hash 37398108, now seen corresponding path program 1 times [2024-11-16 15:16:09,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:16:09,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812205367] [2024-11-16 15:16:09,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:16:09,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:16:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:17:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:17:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:17:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:17:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:17:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:17:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:17:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:17:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:17:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:17:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:17:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:17:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:17:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:17:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:17:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:17:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:17:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 15:17:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:17:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:17:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:17:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:17:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:17:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:17:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:17:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:17:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:17:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:17:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:17:16,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:17:16,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812205367] [2024-11-16 15:17:16,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812205367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:17:16,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:17:16,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 15:17:16,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546973987] [2024-11-16 15:17:16,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:17:16,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 15:17:16,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:17:16,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 15:17:16,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-16 15:17:16,336 INFO L87 Difference]: Start difference. First operand 534 states and 787 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:17:18,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:17:18,423 INFO L93 Difference]: Finished difference Result 798 states and 1165 transitions. [2024-11-16 15:17:18,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 15:17:18,424 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-16 15:17:18,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:17:18,427 INFO L225 Difference]: With dead ends: 798 [2024-11-16 15:17:18,428 INFO L226 Difference]: Without dead ends: 652 [2024-11-16 15:17:18,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2024-11-16 15:17:18,430 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 415 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:17:18,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 1191 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 15:17:18,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2024-11-16 15:17:18,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 546. [2024-11-16 15:17:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 449 states have (on average 1.3808463251670378) internal successors, (620), 451 states have internal predecessors, (620), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-16 15:17:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 802 transitions. [2024-11-16 15:17:18,464 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 802 transitions. Word has length 183 [2024-11-16 15:17:18,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:17:18,464 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 802 transitions. [2024-11-16 15:17:18,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:17:18,464 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 802 transitions. [2024-11-16 15:17:18,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 15:17:18,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:17:18,467 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:17:18,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 15:17:18,467 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:17:18,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:17:18,467 INFO L85 PathProgramCache]: Analyzing trace with hash 2025244543, now seen corresponding path program 1 times [2024-11-16 15:17:18,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:17:18,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575169377] [2024-11-16 15:17:18,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:17:18,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:17:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat