./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.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 e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 07:11:47,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 07:11:47,434 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 07:11:47,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 07:11:47,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 07:11:47,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 07:11:47,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 07:11:47,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 07:11:47,456 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 07:11:47,456 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 07:11:47,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 07:11:47,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 07:11:47,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 07:11:47,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 07:11:47,458 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 07:11:47,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 07:11:47,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 07:11:47,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 07:11:47,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 07:11:47,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 07:11:47,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 07:11:47,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 07:11:47,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 07:11:47,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 07:11:47,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 07:11:47,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 07:11:47,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 07:11:47,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 07:11:47,465 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 07:11:47,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 07:11:47,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 07:11:47,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 07:11:47,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:11:47,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 07:11:47,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 07:11:47,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 07:11:47,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 07:11:47,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 07:11:47,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 07:11:47,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 07:11:47,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 07:11:47,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 07:11:47,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 [2024-11-10 07:11:47,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 07:11:47,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 07:11:47,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 07:11:47,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 07:11:47,736 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 07:11:47,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-10 07:11:49,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 07:11:49,533 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 07:11:49,534 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-10 07:11:49,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47642031/973c2b0907ef4ed2aaf5caccdb98259c/FLAGf5849008b [2024-11-10 07:11:49,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47642031/973c2b0907ef4ed2aaf5caccdb98259c [2024-11-10 07:11:49,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 07:11:49,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 07:11:49,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 07:11:49,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 07:11:49,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 07:11:49,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:49,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f83764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49, skipping insertion in model container [2024-11-10 07:11:49,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:49,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 07:11:49,773 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2024-11-10 07:11:49,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:11:49,861 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 07:11:49,873 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2024-11-10 07:11:49,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:11:49,954 INFO L204 MainTranslator]: Completed translation [2024-11-10 07:11:49,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49 WrapperNode [2024-11-10 07:11:49,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 07:11:49,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 07:11:49,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 07:11:49,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 07:11:49,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:49,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:50,028 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 260 [2024-11-10 07:11:50,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 07:11:50,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 07:11:50,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 07:11:50,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 07:11:50,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:50,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:50,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:50,071 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 07:11:50,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:50,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:50,082 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:50,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:50,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:50,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:50,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 07:11:50,093 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 07:11:50,093 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 07:11:50,093 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 07:11:50,094 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (1/1) ... [2024-11-10 07:11:50,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:11:50,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:11:50,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 07:11:50,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 07:11:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 07:11:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 07:11:50,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 07:11:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 07:11:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 07:11:50,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 07:11:50,322 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 07:11:50,324 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 07:11:50,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L199: havoc property_#t~bitwise23#1;havoc property_#t~short24#1;havoc property_#t~ite27#1;havoc property_#t~ite26#1;havoc property_#t~bitwise25#1;havoc property_#t~short28#1; [2024-11-10 07:11:50,851 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-10 07:11:50,851 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 07:11:50,876 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 07:11:50,877 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-10 07:11:50,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:11:50 BoogieIcfgContainer [2024-11-10 07:11:50,878 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 07:11:50,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 07:11:50,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 07:11:50,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 07:11:50,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:11:49" (1/3) ... [2024-11-10 07:11:50,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c409b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:11:50, skipping insertion in model container [2024-11-10 07:11:50,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:49" (2/3) ... [2024-11-10 07:11:50,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c409b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:11:50, skipping insertion in model container [2024-11-10 07:11:50,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:11:50" (3/3) ... [2024-11-10 07:11:50,887 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-10 07:11:50,902 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 07:11:50,903 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 07:11:50,970 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 07:11:50,976 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;@27eaf3d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 07:11:50,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 07:11:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 85 states have (on average 1.423529411764706) internal successors, (121), 86 states have internal predecessors, (121), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 07:11:50,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 07:11:50,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:11:50,999 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:11:50,999 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:11:51,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:11:51,005 INFO L85 PathProgramCache]: Analyzing trace with hash 849738133, now seen corresponding path program 1 times [2024-11-10 07:11:51,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:11:51,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125018684] [2024-11-10 07:11:51,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:11:51,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:11:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:11:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:11:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:11:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:11:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:11:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:11:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:11:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:11:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:11:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:11:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:11:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:11:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:11:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:11:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:11:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:11:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:11:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:11:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:11:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:11:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:11:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:11:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:11:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:11:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:11:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:11:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:11:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:11:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:11:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:11:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:11:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:51,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:11:51,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:11:51,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125018684] [2024-11-10 07:11:51,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125018684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:11:51,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:11:51,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:11:51,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550027263] [2024-11-10 07:11:51,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:11:51,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 07:11:51,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:11:51,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 07:11:51,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:11:51,555 INFO L87 Difference]: Start difference. First operand has 119 states, 85 states have (on average 1.423529411764706) internal successors, (121), 86 states have internal predecessors, (121), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 07:11:51,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:11:51,614 INFO L93 Difference]: Finished difference Result 230 states and 390 transitions. [2024-11-10 07:11:51,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 07:11:51,647 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 206 [2024-11-10 07:11:51,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:11:51,670 INFO L225 Difference]: With dead ends: 230 [2024-11-10 07:11:51,670 INFO L226 Difference]: Without dead ends: 114 [2024-11-10 07:11:51,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:11:51,684 INFO L432 NwaCegarLoop]: 171 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, 171 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 [2024-11-10 07:11:51,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:11:51,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-10 07:11:51,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-10 07:11:51,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 81 states have (on average 1.3950617283950617) internal successors, (113), 81 states have internal predecessors, (113), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 07:11:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 175 transitions. [2024-11-10 07:11:51,799 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 175 transitions. Word has length 206 [2024-11-10 07:11:51,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:11:51,799 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 175 transitions. [2024-11-10 07:11:51,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 07:11:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 175 transitions. [2024-11-10 07:11:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 07:11:51,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:11:51,804 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:11:51,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 07:11:51,805 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:11:51,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:11:51,806 INFO L85 PathProgramCache]: Analyzing trace with hash -940684174, now seen corresponding path program 1 times [2024-11-10 07:11:51,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:11:51,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837471083] [2024-11-10 07:11:51,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:11:51,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:11:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:11:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:11:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:11:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:11:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:11:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:11:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:11:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:11:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:11:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:11:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:11:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:11:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:11:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:11:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:11:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:11:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:11:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:11:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:11:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:11:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:11:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:11:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:11:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:11:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:11:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:11:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:11:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:11:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:11:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:11:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:11:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:11:52,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:11:52,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837471083] [2024-11-10 07:11:52,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837471083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:11:52,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:11:52,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:11:52,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544064902] [2024-11-10 07:11:52,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:11:52,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:11:52,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:11:52,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:11:52,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:11:52,377 INFO L87 Difference]: Start difference. First operand 114 states and 175 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:11:52,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:11:52,944 INFO L93 Difference]: Finished difference Result 372 states and 573 transitions. [2024-11-10 07:11:52,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:11:52,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-10 07:11:52,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:11:52,952 INFO L225 Difference]: With dead ends: 372 [2024-11-10 07:11:52,954 INFO L226 Difference]: Without dead ends: 261 [2024-11-10 07:11:52,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:11:52,956 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 172 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:11:52,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 521 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 07:11:52,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-10 07:11:53,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 247. [2024-11-10 07:11:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 182 states have (on average 1.3956043956043955) internal successors, (254), 182 states have internal predecessors, (254), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 07:11:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 378 transitions. [2024-11-10 07:11:53,017 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 378 transitions. Word has length 206 [2024-11-10 07:11:53,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:11:53,018 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 378 transitions. [2024-11-10 07:11:53,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:11:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 378 transitions. [2024-11-10 07:11:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-10 07:11:53,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:11:53,027 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:11:53,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 07:11:53,028 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:11:53,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:11:53,028 INFO L85 PathProgramCache]: Analyzing trace with hash 680113710, now seen corresponding path program 1 times [2024-11-10 07:11:53,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:11:53,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188274564] [2024-11-10 07:11:53,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:11:53,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:11:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:11:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:11:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:11:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:11:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:11:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:11:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:11:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:11:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:11:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:11:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:11:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:11:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:11:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:11:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:11:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:11:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:11:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:11:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:11:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:11:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:11:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:11:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:11:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:11:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:11:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:11:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:11:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:11:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:11:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:11:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:11:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:11:53,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:11:53,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188274564] [2024-11-10 07:11:53,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188274564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:11:53,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:11:53,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:11:53,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503852488] [2024-11-10 07:11:53,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:11:53,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:11:53,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:11:53,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:11:53,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:11:53,524 INFO L87 Difference]: Start difference. First operand 247 states and 378 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:11:53,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:11:53,942 INFO L93 Difference]: Finished difference Result 718 states and 1099 transitions. [2024-11-10 07:11:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:11:53,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-10 07:11:53,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:11:53,948 INFO L225 Difference]: With dead ends: 718 [2024-11-10 07:11:53,948 INFO L226 Difference]: Without dead ends: 474 [2024-11-10 07:11:53,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:11:53,950 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 145 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:11:53,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 581 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 07:11:53,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-10 07:11:53,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 322. [2024-11-10 07:11:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 257 states have (on average 1.443579766536965) internal successors, (371), 257 states have internal predecessors, (371), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 07:11:53,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 495 transitions. [2024-11-10 07:11:53,985 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 495 transitions. Word has length 207 [2024-11-10 07:11:53,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:11:53,987 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 495 transitions. [2024-11-10 07:11:53,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:11:53,988 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 495 transitions. [2024-11-10 07:11:53,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 07:11:53,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:11:53,989 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:11:53,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 07:11:53,990 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:11:53,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:11:53,990 INFO L85 PathProgramCache]: Analyzing trace with hash -177394750, now seen corresponding path program 1 times [2024-11-10 07:11:54,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:11:54,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740481811] [2024-11-10 07:11:54,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:11:54,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:11:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:11:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:11:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:11:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:11:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:11:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:11:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:11:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:11:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:11:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:11:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:11:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:11:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:11:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:11:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:11:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:11:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:11:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:11:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:11:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:11:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:11:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:11:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:11:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:11:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:11:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:11:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:11:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:11:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:11:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:11:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:11:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:11:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:11:56,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:11:56,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740481811] [2024-11-10 07:11:56,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740481811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:11:56,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:11:56,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:11:56,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276793935] [2024-11-10 07:11:56,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:11:56,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:11:56,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:11:56,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:11:56,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:11:56,410 INFO L87 Difference]: Start difference. First operand 322 states and 495 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:11:58,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:11:58,071 INFO L93 Difference]: Finished difference Result 1045 states and 1593 transitions. [2024-11-10 07:11:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:11:58,072 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-10 07:11:58,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:11:58,076 INFO L225 Difference]: With dead ends: 1045 [2024-11-10 07:11:58,076 INFO L226 Difference]: Without dead ends: 726 [2024-11-10 07:11:58,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:11:58,078 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 579 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:11:58,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 433 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 07:11:58,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-11-10 07:11:58,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 438. [2024-11-10 07:11:58,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 373 states have (on average 1.479892761394102) internal successors, (552), 373 states have internal predecessors, (552), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 07:11:58,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 676 transitions. [2024-11-10 07:11:58,115 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 676 transitions. Word has length 208 [2024-11-10 07:11:58,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:11:58,116 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 676 transitions. [2024-11-10 07:11:58,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:11:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 676 transitions. [2024-11-10 07:11:58,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 07:11:58,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:11:58,123 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:11:58,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 07:11:58,123 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:11:58,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:11:58,124 INFO L85 PathProgramCache]: Analyzing trace with hash -687928927, now seen corresponding path program 1 times [2024-11-10 07:11:58,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:11:58,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627959589] [2024-11-10 07:11:58,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:11:58,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:11:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:12:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:12:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:12:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:12:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:12:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:12:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:12:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:12:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:12:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:12:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:12:01,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:12:01,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627959589] [2024-11-10 07:12:01,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627959589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:12:01,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:12:01,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 07:12:01,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185705959] [2024-11-10 07:12:01,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:12:01,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:12:01,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:12:01,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:12:01,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:12:01,610 INFO L87 Difference]: Start difference. First operand 438 states and 676 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:04,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:12:04,978 INFO L93 Difference]: Finished difference Result 1283 states and 1943 transitions. [2024-11-10 07:12:04,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 07:12:04,979 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-10 07:12:04,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:12:04,985 INFO L225 Difference]: With dead ends: 1283 [2024-11-10 07:12:04,985 INFO L226 Difference]: Without dead ends: 848 [2024-11-10 07:12:04,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=208, Invalid=494, Unknown=0, NotChecked=0, Total=702 [2024-11-10 07:12:04,987 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 739 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1084 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:12:04,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 987 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1084 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-10 07:12:04,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-10 07:12:05,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 546. [2024-11-10 07:12:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 449 states have (on average 1.4587973273942094) internal successors, (655), 449 states have internal predecessors, (655), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 07:12:05,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 841 transitions. [2024-11-10 07:12:05,037 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 841 transitions. Word has length 208 [2024-11-10 07:12:05,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:12:05,038 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 841 transitions. [2024-11-10 07:12:05,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 841 transitions. [2024-11-10 07:12:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 07:12:05,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:12:05,042 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:12:05,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 07:12:05,044 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:12:05,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:12:05,044 INFO L85 PathProgramCache]: Analyzing trace with hash -586218975, now seen corresponding path program 1 times [2024-11-10 07:12:05,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:12:05,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804457374] [2024-11-10 07:12:05,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:05,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:12:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:12:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:12:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:12:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:12:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:12:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:12:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:12:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:12:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:12:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:12:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:06,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:12:06,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:12:06,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804457374] [2024-11-10 07:12:06,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804457374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:12:06,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:12:06,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:12:06,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295510258] [2024-11-10 07:12:06,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:12:06,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:12:06,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:12:06,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:12:06,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:12:06,697 INFO L87 Difference]: Start difference. First operand 546 states and 841 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:07,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:12:07,744 INFO L93 Difference]: Finished difference Result 1225 states and 1845 transitions. [2024-11-10 07:12:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:12:07,745 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-10 07:12:07,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:12:07,751 INFO L225 Difference]: With dead ends: 1225 [2024-11-10 07:12:07,751 INFO L226 Difference]: Without dead ends: 790 [2024-11-10 07:12:07,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:12:07,753 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 388 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 07:12:07,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 653 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 07:12:07,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-10 07:12:07,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 541. [2024-11-10 07:12:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 444 states have (on average 1.4572072072072073) internal successors, (647), 444 states have internal predecessors, (647), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 07:12:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 833 transitions. [2024-11-10 07:12:07,780 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 833 transitions. Word has length 208 [2024-11-10 07:12:07,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:12:07,782 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 833 transitions. [2024-11-10 07:12:07,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:07,782 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 833 transitions. [2024-11-10 07:12:07,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 07:12:07,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:12:07,784 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:12:07,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 07:12:07,784 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:12:07,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:12:07,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1096753152, now seen corresponding path program 1 times [2024-11-10 07:12:07,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:12:07,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170279766] [2024-11-10 07:12:07,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:07,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:12:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:12:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:12:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:12:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:12:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:12:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:12:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:12:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:12:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:12:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:12:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:12:09,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:12:09,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170279766] [2024-11-10 07:12:09,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170279766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:12:09,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:12:09,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 07:12:09,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944180928] [2024-11-10 07:12:09,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:12:09,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 07:12:09,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:12:09,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 07:12:09,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:12:09,990 INFO L87 Difference]: Start difference. First operand 541 states and 833 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:11,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:12:11,870 INFO L93 Difference]: Finished difference Result 1169 states and 1756 transitions. [2024-11-10 07:12:11,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:12:11,871 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-10 07:12:11,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:12:11,875 INFO L225 Difference]: With dead ends: 1169 [2024-11-10 07:12:11,875 INFO L226 Difference]: Without dead ends: 739 [2024-11-10 07:12:11,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:12:11,877 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 362 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 07:12:11,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 727 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 07:12:11,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-11-10 07:12:11,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 506. [2024-11-10 07:12:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 409 states have (on average 1.4474327628361858) internal successors, (592), 409 states have internal predecessors, (592), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 07:12:11,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 778 transitions. [2024-11-10 07:12:11,909 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 778 transitions. Word has length 208 [2024-11-10 07:12:11,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:12:11,909 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 778 transitions. [2024-11-10 07:12:11,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:11,910 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 778 transitions. [2024-11-10 07:12:11,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 07:12:11,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:12:11,912 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:12:11,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 07:12:11,913 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:12:11,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:12:11,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1466776625, now seen corresponding path program 1 times [2024-11-10 07:12:11,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:12:11,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8248247] [2024-11-10 07:12:11,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:11,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:12:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:12:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:12:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:12:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:12:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:12:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:12:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:12:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:12:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:12:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:12:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:12:12,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:12:12,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8248247] [2024-11-10 07:12:12,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8248247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:12:12,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:12:12,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 07:12:12,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875959047] [2024-11-10 07:12:12,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:12:12,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 07:12:12,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:12:12,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 07:12:12,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:12:12,055 INFO L87 Difference]: Start difference. First operand 506 states and 778 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:12,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:12:12,154 INFO L93 Difference]: Finished difference Result 1228 states and 1892 transitions. [2024-11-10 07:12:12,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 07:12:12,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-10 07:12:12,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:12:12,159 INFO L225 Difference]: With dead ends: 1228 [2024-11-10 07:12:12,159 INFO L226 Difference]: Without dead ends: 810 [2024-11-10 07:12:12,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:12:12,162 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 149 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:12:12,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 449 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:12:12,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-11-10 07:12:12,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 660. [2024-11-10 07:12:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 563 states have (on average 1.4742451154529308) internal successors, (830), 563 states have internal predecessors, (830), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 07:12:12,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1016 transitions. [2024-11-10 07:12:12,196 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1016 transitions. Word has length 208 [2024-11-10 07:12:12,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:12:12,197 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 1016 transitions. [2024-11-10 07:12:12,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1016 transitions. [2024-11-10 07:12:12,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-10 07:12:12,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:12:12,201 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:12:12,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 07:12:12,201 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:12:12,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:12:12,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1399860788, now seen corresponding path program 1 times [2024-11-10 07:12:12,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:12:12,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064417238] [2024-11-10 07:12:12,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:12,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:12:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:12:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:12:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:12:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:12:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:12:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:12:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:12:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:12:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:12:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:12:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:12:12,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:12:12,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064417238] [2024-11-10 07:12:12,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064417238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:12:12,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:12:12,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:12:12,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817397185] [2024-11-10 07:12:12,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:12:12,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:12:12,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:12:12,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:12:12,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:12:12,410 INFO L87 Difference]: Start difference. First operand 660 states and 1016 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:13,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:12:13,003 INFO L93 Difference]: Finished difference Result 1519 states and 2344 transitions. [2024-11-10 07:12:13,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:12:13,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-10 07:12:13,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:12:13,007 INFO L225 Difference]: With dead ends: 1519 [2024-11-10 07:12:13,008 INFO L226 Difference]: Without dead ends: 970 [2024-11-10 07:12:13,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:12:13,010 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 154 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 07:12:13,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 656 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 07:12:13,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-11-10 07:12:13,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 701. [2024-11-10 07:12:13,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 604 states have (on average 1.468543046357616) internal successors, (887), 604 states have internal predecessors, (887), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 07:12:13,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1073 transitions. [2024-11-10 07:12:13,039 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1073 transitions. Word has length 209 [2024-11-10 07:12:13,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:12:13,039 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 1073 transitions. [2024-11-10 07:12:13,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:13,039 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1073 transitions. [2024-11-10 07:12:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-10 07:12:13,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:12:13,041 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:12:13,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 07:12:13,042 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:12:13,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:12:13,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1392487556, now seen corresponding path program 1 times [2024-11-10 07:12:13,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:12:13,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110735493] [2024-11-10 07:12:13,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:13,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:12:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:12:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:12:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:12:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:12:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:12:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:12:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:12:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:12:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:12:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:12:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-10 07:12:13,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:12:13,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110735493] [2024-11-10 07:12:13,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110735493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:12:13,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885784369] [2024-11-10 07:12:13,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:13,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:12:13,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:12:13,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:12:13,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 07:12:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:13,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 07:12:13,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:12:14,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-11-10 07:12:14,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:12:14,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885784369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:12:14,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 07:12:14,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2024-11-10 07:12:14,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869972219] [2024-11-10 07:12:14,504 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 07:12:14,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:12:14,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:12:14,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:12:14,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-10 07:12:14,505 INFO L87 Difference]: Start difference. First operand 701 states and 1073 transitions. Second operand has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2024-11-10 07:12:16,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:12:16,106 INFO L93 Difference]: Finished difference Result 1198 states and 1804 transitions. [2024-11-10 07:12:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-10 07:12:16,107 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) Word has length 210 [2024-11-10 07:12:16,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:12:16,111 INFO L225 Difference]: With dead ends: 1198 [2024-11-10 07:12:16,111 INFO L226 Difference]: Without dead ends: 575 [2024-11-10 07:12:16,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=443, Invalid=1449, Unknown=0, NotChecked=0, Total=1892 [2024-11-10 07:12:16,113 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 739 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:12:16,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 679 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 07:12:16,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-10 07:12:16,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 561. [2024-11-10 07:12:16,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 449 states have (on average 1.378619153674833) internal successors, (619), 450 states have internal predecessors, (619), 97 states have call successors, (97), 14 states have call predecessors, (97), 14 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-10 07:12:16,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 813 transitions. [2024-11-10 07:12:16,154 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 813 transitions. Word has length 210 [2024-11-10 07:12:16,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:12:16,155 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 813 transitions. [2024-11-10 07:12:16,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2024-11-10 07:12:16,155 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 813 transitions. [2024-11-10 07:12:16,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-10 07:12:16,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:12:16,157 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:12:16,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 07:12:16,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 07:12:16,362 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:12:16,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:12:16,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1853670304, now seen corresponding path program 1 times [2024-11-10 07:12:16,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:12:16,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890077992] [2024-11-10 07:12:16,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:16,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:12:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:12:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:12:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:12:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:12:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:12:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:12:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:12:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:12:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:12:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:12:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:12:17,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:12:17,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890077992] [2024-11-10 07:12:17,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890077992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:12:17,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:12:17,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 07:12:17,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548948596] [2024-11-10 07:12:17,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:12:17,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 07:12:17,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:12:17,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 07:12:17,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-10 07:12:17,885 INFO L87 Difference]: Start difference. First operand 561 states and 813 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:19,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:12:19,592 INFO L93 Difference]: Finished difference Result 1229 states and 1752 transitions. [2024-11-10 07:12:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 07:12:19,593 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 210 [2024-11-10 07:12:19,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:12:19,597 INFO L225 Difference]: With dead ends: 1229 [2024-11-10 07:12:19,597 INFO L226 Difference]: Without dead ends: 942 [2024-11-10 07:12:19,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-10 07:12:19,598 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 596 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:12:19,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 1219 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 07:12:19,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2024-11-10 07:12:19,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 581. [2024-11-10 07:12:19,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 468 states have (on average 1.3782051282051282) internal successors, (645), 469 states have internal predecessors, (645), 97 states have call successors, (97), 15 states have call predecessors, (97), 15 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-10 07:12:19,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 839 transitions. [2024-11-10 07:12:19,635 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 839 transitions. Word has length 210 [2024-11-10 07:12:19,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:12:19,636 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 839 transitions. [2024-11-10 07:12:19,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:19,636 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 839 transitions. [2024-11-10 07:12:19,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-10 07:12:19,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:12:19,637 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:12:19,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 07:12:19,638 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:12:19,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:12:19,638 INFO L85 PathProgramCache]: Analyzing trace with hash -346118495, now seen corresponding path program 1 times [2024-11-10 07:12:19,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:12:19,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490006462] [2024-11-10 07:12:19,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:19,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:12:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:12:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:12:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:12:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:12:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:12:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:12:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:12:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:12:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:12:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:12:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:12:20,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:12:20,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490006462] [2024-11-10 07:12:20,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490006462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:12:20,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:12:20,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:12:20,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015050542] [2024-11-10 07:12:20,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:12:20,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:12:20,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:12:20,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:12:20,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:12:20,819 INFO L87 Difference]: Start difference. First operand 581 states and 839 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:21,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:12:21,731 INFO L93 Difference]: Finished difference Result 1375 states and 1984 transitions. [2024-11-10 07:12:21,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:12:21,732 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 210 [2024-11-10 07:12:21,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:12:21,738 INFO L225 Difference]: With dead ends: 1375 [2024-11-10 07:12:21,738 INFO L226 Difference]: Without dead ends: 898 [2024-11-10 07:12:21,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:12:21,740 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 204 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:12:21,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 750 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:12:21,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-10 07:12:21,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 609. [2024-11-10 07:12:21,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 496 states have (on average 1.3870967741935485) internal successors, (688), 497 states have internal predecessors, (688), 97 states have call successors, (97), 15 states have call predecessors, (97), 15 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-10 07:12:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 882 transitions. [2024-11-10 07:12:21,790 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 882 transitions. Word has length 210 [2024-11-10 07:12:21,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:12:21,791 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 882 transitions. [2024-11-10 07:12:21,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:21,791 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 882 transitions. [2024-11-10 07:12:21,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-10 07:12:21,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:12:21,792 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:12:21,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 07:12:21,793 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:12:21,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:12:21,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1965235747, now seen corresponding path program 1 times [2024-11-10 07:12:21,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:12:21,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534737411] [2024-11-10 07:12:21,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:21,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:12:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:12:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:12:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:12:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:12:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:12:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:12:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:12:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:12:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:12:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:12:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:12:26,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:12:26,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534737411] [2024-11-10 07:12:26,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534737411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:12:26,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:12:26,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 07:12:26,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668512158] [2024-11-10 07:12:26,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:12:26,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:12:26,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:12:26,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:12:26,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:12:26,936 INFO L87 Difference]: Start difference. First operand 609 states and 882 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:30,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:12:30,462 INFO L93 Difference]: Finished difference Result 1755 states and 2554 transitions. [2024-11-10 07:12:30,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 07:12:30,463 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 212 [2024-11-10 07:12:30,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:12:30,469 INFO L225 Difference]: With dead ends: 1755 [2024-11-10 07:12:30,469 INFO L226 Difference]: Without dead ends: 1242 [2024-11-10 07:12:30,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-10 07:12:30,471 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 602 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-10 07:12:30,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 1228 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-10 07:12:30,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2024-11-10 07:12:30,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 700. [2024-11-10 07:12:30,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 587 states have (on average 1.4207836456558773) internal successors, (834), 588 states have internal predecessors, (834), 97 states have call successors, (97), 15 states have call predecessors, (97), 15 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-10 07:12:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1028 transitions. [2024-11-10 07:12:30,528 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1028 transitions. Word has length 212 [2024-11-10 07:12:30,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:12:30,529 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 1028 transitions. [2024-11-10 07:12:30,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1028 transitions. [2024-11-10 07:12:30,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-10 07:12:30,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:12:30,530 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:12:30,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 07:12:30,531 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:12:30,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:12:30,531 INFO L85 PathProgramCache]: Analyzing trace with hash -457683938, now seen corresponding path program 1 times [2024-11-10 07:12:30,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:12:30,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477212296] [2024-11-10 07:12:30,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:30,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:12:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:12:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:12:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:12:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:12:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:12:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:12:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:12:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:12:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:12:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:12:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:12:34,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:12:34,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477212296] [2024-11-10 07:12:34,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477212296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:12:34,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:12:34,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 07:12:34,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098136080] [2024-11-10 07:12:34,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:12:34,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 07:12:34,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:12:34,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 07:12:34,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-10 07:12:34,164 INFO L87 Difference]: Start difference. First operand 700 states and 1028 transitions. Second operand has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:37,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:12:37,507 INFO L93 Difference]: Finished difference Result 1823 states and 2643 transitions. [2024-11-10 07:12:37,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 07:12:37,512 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 212 [2024-11-10 07:12:37,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:12:37,520 INFO L225 Difference]: With dead ends: 1823 [2024-11-10 07:12:37,521 INFO L226 Difference]: Without dead ends: 1228 [2024-11-10 07:12:37,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2024-11-10 07:12:37,530 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 441 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:12:37,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 1630 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 07:12:37,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2024-11-10 07:12:37,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 702. [2024-11-10 07:12:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 589 states have (on average 1.4210526315789473) internal successors, (837), 590 states have internal predecessors, (837), 97 states have call successors, (97), 15 states have call predecessors, (97), 15 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-10 07:12:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1031 transitions. [2024-11-10 07:12:37,670 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1031 transitions. Word has length 212 [2024-11-10 07:12:37,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:12:37,671 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 1031 transitions. [2024-11-10 07:12:37,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1031 transitions. [2024-11-10 07:12:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-10 07:12:37,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:12:37,673 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:12:37,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 07:12:37,673 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:12:37,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:12:37,674 INFO L85 PathProgramCache]: Analyzing trace with hash -611926050, now seen corresponding path program 1 times [2024-11-10 07:12:37,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:12:37,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742586935] [2024-11-10 07:12:37,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:37,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:12:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:12:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:12:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:12:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:12:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:12:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:12:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:12:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:12:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:12:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:12:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:46,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:12:46,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:12:46,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742586935] [2024-11-10 07:12:46,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742586935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:12:46,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:12:46,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-10 07:12:46,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057828617] [2024-11-10 07:12:46,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:12:46,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 07:12:46,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:12:46,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 07:12:46,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-11-10 07:12:46,319 INFO L87 Difference]: Start difference. First operand 702 states and 1031 transitions. Second operand has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:59,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:12:59,324 INFO L93 Difference]: Finished difference Result 2413 states and 3486 transitions. [2024-11-10 07:12:59,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 07:12:59,325 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 212 [2024-11-10 07:12:59,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:12:59,333 INFO L225 Difference]: With dead ends: 2413 [2024-11-10 07:12:59,334 INFO L226 Difference]: Without dead ends: 1814 [2024-11-10 07:12:59,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=242, Invalid=880, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 07:12:59,339 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1062 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 2809 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 2824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-10 07:12:59,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 1875 Invalid, 2824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2809 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-10 07:12:59,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2024-11-10 07:12:59,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1261. [2024-11-10 07:12:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1072 states have (on average 1.4309701492537314) internal successors, (1534), 1074 states have internal predecessors, (1534), 163 states have call successors, (163), 25 states have call predecessors, (163), 25 states have return successors, (163), 161 states have call predecessors, (163), 163 states have call successors, (163) [2024-11-10 07:12:59,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1860 transitions. [2024-11-10 07:12:59,456 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1860 transitions. Word has length 212 [2024-11-10 07:12:59,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:12:59,456 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1860 transitions. [2024-11-10 07:12:59,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:12:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1860 transitions. [2024-11-10 07:12:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-10 07:12:59,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:12:59,459 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:12:59,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 07:12:59,459 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:12:59,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:12:59,460 INFO L85 PathProgramCache]: Analyzing trace with hash 895625759, now seen corresponding path program 1 times [2024-11-10 07:12:59,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:12:59,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681661366] [2024-11-10 07:12:59,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:12:59,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:12:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:12:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:12:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:12:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:12:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:12:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:12:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:12:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:12:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:12:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:12:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:12:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:12:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:12:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:12:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:12:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:12:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:12:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:12:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:12:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:12:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:12:59,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:12:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:00,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:13:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:00,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:13:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:13:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:13:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:00,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:13:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:00,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:13:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:00,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:13:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:00,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:13:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:00,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:13:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:00,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:13:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:13:00,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:00,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681661366] [2024-11-10 07:13:00,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681661366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:00,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:00,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 07:13:00,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425205228] [2024-11-10 07:13:00,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:00,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 07:13:00,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:00,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 07:13:00,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:13:00,053 INFO L87 Difference]: Start difference. First operand 1261 states and 1860 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-10 07:13:00,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:00,750 INFO L93 Difference]: Finished difference Result 3445 states and 5082 transitions. [2024-11-10 07:13:00,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 07:13:00,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 212 [2024-11-10 07:13:00,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:00,764 INFO L225 Difference]: With dead ends: 3445 [2024-11-10 07:13:00,764 INFO L226 Difference]: Without dead ends: 2289 [2024-11-10 07:13:00,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:13:00,769 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 401 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:00,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 760 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 07:13:00,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2024-11-10 07:13:00,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 1799. [2024-11-10 07:13:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1534 states have (on average 1.422425032594524) internal successors, (2182), 1537 states have internal predecessors, (2182), 229 states have call successors, (229), 35 states have call predecessors, (229), 35 states have return successors, (229), 226 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-10 07:13:00,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2640 transitions. [2024-11-10 07:13:00,930 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2640 transitions. Word has length 212 [2024-11-10 07:13:00,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:00,931 INFO L471 AbstractCegarLoop]: Abstraction has 1799 states and 2640 transitions. [2024-11-10 07:13:00,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-10 07:13:00,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2640 transitions. [2024-11-10 07:13:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-10 07:13:00,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:00,933 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:00,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 07:13:00,934 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:00,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:00,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1920907324, now seen corresponding path program 1 times [2024-11-10 07:13:00,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:00,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072831362] [2024-11-10 07:13:00,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:00,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:13:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:13:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:13:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:13:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:13:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:13:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 07:13:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:13:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:13:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:13:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:13:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:13:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:13:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:13:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:13:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:13:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:13:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:13:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:13:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:13:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:13:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:13:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 07:13:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:13:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 07:13:03,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:03,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072831362] [2024-11-10 07:13:03,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072831362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:03,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:03,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 07:13:03,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881282164] [2024-11-10 07:13:03,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:03,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:13:03,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:03,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:13:03,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:13:03,183 INFO L87 Difference]: Start difference. First operand 1799 states and 2640 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:13:05,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:05,074 INFO L93 Difference]: Finished difference Result 4519 states and 6602 transitions. [2024-11-10 07:13:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 07:13:05,075 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 212 [2024-11-10 07:13:05,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:05,093 INFO L225 Difference]: With dead ends: 4519 [2024-11-10 07:13:05,094 INFO L226 Difference]: Without dead ends: 3042 [2024-11-10 07:13:05,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2024-11-10 07:13:05,106 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 551 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:05,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1215 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 07:13:05,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2024-11-10 07:13:05,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 1849. [2024-11-10 07:13:05,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1849 states, 1584 states have (on average 1.428030303030303) internal successors, (2262), 1587 states have internal predecessors, (2262), 229 states have call successors, (229), 35 states have call predecessors, (229), 35 states have return successors, (229), 226 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-10 07:13:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1849 states and 2720 transitions. [2024-11-10 07:13:05,261 INFO L78 Accepts]: Start accepts. Automaton has 1849 states and 2720 transitions. Word has length 212 [2024-11-10 07:13:05,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:05,262 INFO L471 AbstractCegarLoop]: Abstraction has 1849 states and 2720 transitions. [2024-11-10 07:13:05,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 07:13:05,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2720 transitions. [2024-11-10 07:13:05,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-10 07:13:05,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:05,265 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:05,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 07:13:05,266 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:05,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:05,267 INFO L85 PathProgramCache]: Analyzing trace with hash -866508163, now seen corresponding path program 1 times [2024-11-10 07:13:05,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:05,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331845623] [2024-11-10 07:13:05,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:05,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat