./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1210d8db9779caa2b34faedb9da4e6c42e2b8376c95e81a461341238221703f5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 12:15:12,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 12:15:12,554 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 12:15:12,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 12:15:12,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 12:15:12,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 12:15:12,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 12:15:12,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 12:15:12,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 12:15:12,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 12:15:12,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 12:15:12,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 12:15:12,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 12:15:12,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 12:15:12,592 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 12:15:12,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 12:15:12,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 12:15:12,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 12:15:12,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 12:15:12,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 12:15:12,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 12:15:12,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 12:15:12,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 12:15:12,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 12:15:12,597 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 12:15:12,597 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 12:15:12,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 12:15:12,597 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 12:15:12,597 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 12:15:12,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 12:15:12,598 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 12:15:12,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 12:15:12,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:15:12,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 12:15:12,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 12:15:12,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 12:15:12,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 12:15:12,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 12:15:12,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 12:15:12,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 12:15:12,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 12:15:12,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 12:15:12,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1210d8db9779caa2b34faedb9da4e6c42e2b8376c95e81a461341238221703f5 [2024-11-16 12:15:12,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 12:15:12,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 12:15:12,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 12:15:12,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 12:15:12,825 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 12:15:12,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i [2024-11-16 12:15:14,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 12:15:14,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 12:15:14,291 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i [2024-11-16 12:15:14,304 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a028d6414/077c10cfce9c4fd0b78d3618b88ff2fd/FLAG0f14f54e1 [2024-11-16 12:15:14,655 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a028d6414/077c10cfce9c4fd0b78d3618b88ff2fd [2024-11-16 12:15:14,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 12:15:14,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 12:15:14,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 12:15:14,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 12:15:14,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 12:15:14,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:14,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc931d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14, skipping insertion in model container [2024-11-16 12:15:14,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:14,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 12:15:14,834 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i[913,926] [2024-11-16 12:15:14,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:15:14,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 12:15:14,917 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i[913,926] [2024-11-16 12:15:14,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:15:14,968 INFO L204 MainTranslator]: Completed translation [2024-11-16 12:15:14,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14 WrapperNode [2024-11-16 12:15:14,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 12:15:14,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 12:15:14,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 12:15:14,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 12:15:14,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:14,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:15,024 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2024-11-16 12:15:15,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 12:15:15,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 12:15:15,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 12:15:15,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 12:15:15,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:15,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:15,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:15,066 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 12:15:15,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:15,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:15,078 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:15,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:15,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:15,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:15,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 12:15:15,097 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 12:15:15,097 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 12:15:15,097 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 12:15:15,098 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (1/1) ... [2024-11-16 12:15:15,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:15:15,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:15:15,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 12:15:15,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 12:15:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 12:15:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 12:15:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 12:15:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 12:15:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 12:15:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 12:15:15,231 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 12:15:15,233 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 12:15:15,584 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L132: havoc property_#t~bitwise20#1;havoc property_#t~ite22#1;havoc property_#t~bitwise21#1;havoc property_#t~short23#1; [2024-11-16 12:15:15,615 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 12:15:15,616 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 12:15:15,639 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 12:15:15,639 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 12:15:15,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:15:15 BoogieIcfgContainer [2024-11-16 12:15:15,640 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 12:15:15,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 12:15:15,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 12:15:15,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 12:15:15,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:15:14" (1/3) ... [2024-11-16 12:15:15,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2738be5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:15:15, skipping insertion in model container [2024-11-16 12:15:15,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:14" (2/3) ... [2024-11-16 12:15:15,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2738be5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:15:15, skipping insertion in model container [2024-11-16 12:15:15,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:15:15" (3/3) ... [2024-11-16 12:15:15,650 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-34.i [2024-11-16 12:15:15,663 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 12:15:15,664 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 12:15:15,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 12:15:15,730 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;@18594eed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 12:15:15,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 12:15:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:15:15,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-16 12:15:15,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:15:15,746 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:15:15,746 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:15:15,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:15:15,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1526951854, now seen corresponding path program 1 times [2024-11-16 12:15:15,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:15:15,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671315699] [2024-11-16 12:15:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:15:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:15:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:15:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:15:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:15:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:15:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:15:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:15:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:15:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:15:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:15:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:15:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:15:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:15:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:15:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:15:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:15:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:15:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:15:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:15:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:15:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:15:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:15:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:15:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:15:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:15:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:15:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:15:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:15:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:15:16,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:15:16,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671315699] [2024-11-16 12:15:16,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671315699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:15:16,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:15:16,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 12:15:16,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364305660] [2024-11-16 12:15:16,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:15:16,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 12:15:16,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:15:16,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 12:15:16,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:15:16,192 INFO L87 Difference]: Start difference. First operand has 93 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 12:15:16,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:15:16,254 INFO L93 Difference]: Finished difference Result 178 states and 308 transitions. [2024-11-16 12:15:16,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 12:15:16,256 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 171 [2024-11-16 12:15:16,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:15:16,265 INFO L225 Difference]: With dead ends: 178 [2024-11-16 12:15:16,266 INFO L226 Difference]: Without dead ends: 88 [2024-11-16 12:15:16,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:15:16,275 INFO L432 NwaCegarLoop]: 132 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, 132 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:15:16,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:15:16,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-16 12:15:16,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-16 12:15:16,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 59 states have internal predecessors, (82), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:15:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 136 transitions. [2024-11-16 12:15:16,324 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 136 transitions. Word has length 171 [2024-11-16 12:15:16,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:15:16,324 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 136 transitions. [2024-11-16 12:15:16,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 12:15:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 136 transitions. [2024-11-16 12:15:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-16 12:15:16,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:15:16,328 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:15:16,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 12:15:16,328 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:15:16,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:15:16,329 INFO L85 PathProgramCache]: Analyzing trace with hash 2048617551, now seen corresponding path program 1 times [2024-11-16 12:15:16,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:15:16,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274996064] [2024-11-16 12:15:16,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:15:16,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:15:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:15:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:15:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:15:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:15:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:15:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:15:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:15:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:15:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:15:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:15:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:15:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:15:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:15:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:15:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:15:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:15:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:15:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:15:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:15:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:15:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:15:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:15:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:15:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:15:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:15:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:15:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:15:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:15:16,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:15:16,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274996064] [2024-11-16 12:15:16,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274996064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:15:16,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:15:16,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 12:15:16,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590839688] [2024-11-16 12:15:16,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:15:16,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 12:15:16,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:15:16,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 12:15:16,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:15:16,588 INFO L87 Difference]: Start difference. First operand 88 states and 136 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:16,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:15:16,641 INFO L93 Difference]: Finished difference Result 212 states and 328 transitions. [2024-11-16 12:15:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 12:15:16,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2024-11-16 12:15:16,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:15:16,647 INFO L225 Difference]: With dead ends: 212 [2024-11-16 12:15:16,647 INFO L226 Difference]: Without dead ends: 127 [2024-11-16 12:15:16,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:15:16,650 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 55 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:15:16,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 257 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:15:16,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-16 12:15:16,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 92. [2024-11-16 12:15:16,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 63 states have internal predecessors, (89), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:15:16,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 143 transitions. [2024-11-16 12:15:16,670 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 143 transitions. Word has length 171 [2024-11-16 12:15:16,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:15:16,672 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 143 transitions. [2024-11-16 12:15:16,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 143 transitions. [2024-11-16 12:15:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-16 12:15:16,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:15:16,674 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:15:16,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 12:15:16,675 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:15:16,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:15:16,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1543058926, now seen corresponding path program 1 times [2024-11-16 12:15:16,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:15:16,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605588665] [2024-11-16 12:15:16,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:15:16,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:15:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:15:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:15:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:15:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:15:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:15:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:15:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:15:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:15:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:15:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:15:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:15:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:15:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:15:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:15:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:15:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:15:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:15:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:15:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:15:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:15:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:15:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:15:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:15:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:15:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:15:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:15:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:15:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:15:28,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:15:28,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605588665] [2024-11-16 12:15:28,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605588665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:15:28,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:15:28,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 12:15:28,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457871720] [2024-11-16 12:15:28,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:15:28,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 12:15:28,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:15:28,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 12:15:28,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:15:28,789 INFO L87 Difference]: Start difference. First operand 92 states and 143 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:29,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:15:29,245 INFO L93 Difference]: Finished difference Result 289 states and 440 transitions. [2024-11-16 12:15:29,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 12:15:29,246 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2024-11-16 12:15:29,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:15:29,248 INFO L225 Difference]: With dead ends: 289 [2024-11-16 12:15:29,248 INFO L226 Difference]: Without dead ends: 200 [2024-11-16 12:15:29,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:15:29,250 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 150 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 12:15:29,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 857 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 12:15:29,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-16 12:15:29,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 110. [2024-11-16 12:15:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 81 states have internal predecessors, (118), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:15:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 172 transitions. [2024-11-16 12:15:29,262 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 172 transitions. Word has length 171 [2024-11-16 12:15:29,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:15:29,263 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 172 transitions. [2024-11-16 12:15:29,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:29,263 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 172 transitions. [2024-11-16 12:15:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-16 12:15:29,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:15:29,265 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:15:29,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 12:15:29,266 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:15:29,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:15:29,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1244356561, now seen corresponding path program 1 times [2024-11-16 12:15:29,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:15:29,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393117039] [2024-11-16 12:15:29,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:15:29,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:15:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:15:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:15:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:15:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:15:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:15:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:15:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:15:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:15:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:15:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:15:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:15:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:15:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:15:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:15:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:15:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:15:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:15:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:15:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:15:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:15:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:15:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:15:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:15:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:15:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:15:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:15:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:15:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:15:29,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:15:29,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393117039] [2024-11-16 12:15:29,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393117039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:15:29,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:15:29,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 12:15:29,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414304256] [2024-11-16 12:15:29,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:15:29,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 12:15:29,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:15:29,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 12:15:29,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:15:29,710 INFO L87 Difference]: Start difference. First operand 110 states and 172 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:29,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:15:29,945 INFO L93 Difference]: Finished difference Result 288 states and 444 transitions. [2024-11-16 12:15:29,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 12:15:29,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2024-11-16 12:15:29,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:15:29,947 INFO L225 Difference]: With dead ends: 288 [2024-11-16 12:15:29,947 INFO L226 Difference]: Without dead ends: 181 [2024-11-16 12:15:29,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-16 12:15:29,949 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 174 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:15:29,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 511 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 12:15:29,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-16 12:15:29,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 133. [2024-11-16 12:15:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 104 states have (on average 1.4615384615384615) internal successors, (152), 104 states have internal predecessors, (152), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:15:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 206 transitions. [2024-11-16 12:15:29,964 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 206 transitions. Word has length 171 [2024-11-16 12:15:29,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:15:29,966 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 206 transitions. [2024-11-16 12:15:29,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:29,967 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 206 transitions. [2024-11-16 12:15:29,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 12:15:29,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:15:29,970 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:15:29,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 12:15:29,970 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:15:29,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:15:29,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1056927134, now seen corresponding path program 1 times [2024-11-16 12:15:29,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:15:29,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381006205] [2024-11-16 12:15:29,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:15:29,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:15:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:15:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:15:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:15:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:15:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:15:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:15:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:15:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:15:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:15:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:15:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:15:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:15:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:15:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:15:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:15:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:15:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:15:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:15:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:15:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:15:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:15:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:15:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:15:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:15:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:15:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:15:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:15:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:15:39,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:15:39,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381006205] [2024-11-16 12:15:39,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381006205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:15:39,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:15:39,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 12:15:39,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163471147] [2024-11-16 12:15:39,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:15:39,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 12:15:39,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:15:39,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 12:15:39,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:15:39,836 INFO L87 Difference]: Start difference. First operand 133 states and 206 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:40,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:15:40,313 INFO L93 Difference]: Finished difference Result 410 states and 627 transitions. [2024-11-16 12:15:40,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 12:15:40,315 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-16 12:15:40,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:15:40,317 INFO L225 Difference]: With dead ends: 410 [2024-11-16 12:15:40,317 INFO L226 Difference]: Without dead ends: 280 [2024-11-16 12:15:40,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:15:40,320 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 393 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 12:15:40,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 758 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 12:15:40,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-16 12:15:40,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 136. [2024-11-16 12:15:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 107 states have (on average 1.4579439252336448) internal successors, (156), 107 states have internal predecessors, (156), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:15:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 210 transitions. [2024-11-16 12:15:40,335 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 210 transitions. Word has length 172 [2024-11-16 12:15:40,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:15:40,336 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 210 transitions. [2024-11-16 12:15:40,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 210 transitions. [2024-11-16 12:15:40,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 12:15:40,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:15:40,339 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:15:40,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 12:15:40,339 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:15:40,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:15:40,340 INFO L85 PathProgramCache]: Analyzing trace with hash 450624675, now seen corresponding path program 1 times [2024-11-16 12:15:40,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:15:40,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249592891] [2024-11-16 12:15:40,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:15:40,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:15:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:15:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:15:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:15:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:15:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:15:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:15:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:15:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:15:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:15:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:15:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:15:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:15:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:15:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:15:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:15:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:15:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:15:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:15:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:15:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:15:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:15:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:15:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:15:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:15:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:15:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:15:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:15:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:15:49,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:15:49,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249592891] [2024-11-16 12:15:49,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249592891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:15:49,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:15:49,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 12:15:49,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365640837] [2024-11-16 12:15:49,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:15:49,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 12:15:49,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:15:49,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 12:15:49,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:15:49,518 INFO L87 Difference]: Start difference. First operand 136 states and 210 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:50,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:15:50,055 INFO L93 Difference]: Finished difference Result 413 states and 626 transitions. [2024-11-16 12:15:50,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 12:15:50,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-16 12:15:50,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:15:50,060 INFO L225 Difference]: With dead ends: 413 [2024-11-16 12:15:50,060 INFO L226 Difference]: Without dead ends: 280 [2024-11-16 12:15:50,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:15:50,062 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 248 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:15:50,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 1079 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:15:50,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-16 12:15:50,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 137. [2024-11-16 12:15:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 108 states have (on average 1.4537037037037037) internal successors, (157), 108 states have internal predecessors, (157), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:15:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 211 transitions. [2024-11-16 12:15:50,073 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 211 transitions. Word has length 172 [2024-11-16 12:15:50,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:15:50,074 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 211 transitions. [2024-11-16 12:15:50,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:50,074 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 211 transitions. [2024-11-16 12:15:50,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 12:15:50,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:15:50,075 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:15:50,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 12:15:50,075 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:15:50,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:15:50,075 INFO L85 PathProgramCache]: Analyzing trace with hash 296382563, now seen corresponding path program 1 times [2024-11-16 12:15:50,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:15:50,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893829417] [2024-11-16 12:15:50,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:15:50,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:15:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:15:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:15:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:15:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:15:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:15:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:15:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:15:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:15:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:15:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:15:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:15:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:15:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:15:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:15:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:15:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:15:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:15:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:15:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:15:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:15:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:15:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:15:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:15:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:15:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:15:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:15:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:15:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:15:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:15:58,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:15:58,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893829417] [2024-11-16 12:15:58,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893829417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:15:58,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:15:58,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 12:15:58,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140520822] [2024-11-16 12:15:58,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:15:58,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 12:15:58,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:15:58,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 12:15:58,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:15:58,771 INFO L87 Difference]: Start difference. First operand 137 states and 211 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:59,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:15:59,149 INFO L93 Difference]: Finished difference Result 417 states and 635 transitions. [2024-11-16 12:15:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 12:15:59,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-16 12:15:59,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:15:59,153 INFO L225 Difference]: With dead ends: 417 [2024-11-16 12:15:59,153 INFO L226 Difference]: Without dead ends: 283 [2024-11-16 12:15:59,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:15:59,154 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 189 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 12:15:59,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 984 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 12:15:59,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-16 12:15:59,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 138. [2024-11-16 12:15:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 109 states have (on average 1.4495412844036697) internal successors, (158), 109 states have internal predecessors, (158), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:15:59,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 212 transitions. [2024-11-16 12:15:59,162 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 212 transitions. Word has length 172 [2024-11-16 12:15:59,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:15:59,162 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 212 transitions. [2024-11-16 12:15:59,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:15:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 212 transitions. [2024-11-16 12:15:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 12:15:59,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:15:59,164 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:15:59,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 12:15:59,164 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:15:59,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:15:59,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1803934372, now seen corresponding path program 1 times [2024-11-16 12:15:59,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:15:59,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769919517] [2024-11-16 12:15:59,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:15:59,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:15:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:16:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:16:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:16:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:16:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:16:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:16:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:16:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:16:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:16:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:16:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:16:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:16:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:16:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:16:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:16:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:16:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:16:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:16:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:16:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:16:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:16:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:16:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:16:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:16:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:16:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:16:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:16:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:07,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:16:07,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:16:07,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769919517] [2024-11-16 12:16:07,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769919517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:16:07,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:16:07,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 12:16:07,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248509672] [2024-11-16 12:16:07,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:16:07,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 12:16:07,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:16:07,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 12:16:07,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:16:07,900 INFO L87 Difference]: Start difference. First operand 138 states and 212 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:08,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:16:08,184 INFO L93 Difference]: Finished difference Result 418 states and 634 transitions. [2024-11-16 12:16:08,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 12:16:08,185 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-16 12:16:08,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:16:08,186 INFO L225 Difference]: With dead ends: 418 [2024-11-16 12:16:08,187 INFO L226 Difference]: Without dead ends: 283 [2024-11-16 12:16:08,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:16:08,188 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 193 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:16:08,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 999 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 12:16:08,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-16 12:16:08,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 137. [2024-11-16 12:16:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 108 states have (on average 1.4444444444444444) internal successors, (156), 108 states have internal predecessors, (156), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:16:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 210 transitions. [2024-11-16 12:16:08,198 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 210 transitions. Word has length 172 [2024-11-16 12:16:08,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:16:08,199 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 210 transitions. [2024-11-16 12:16:08,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:08,199 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 210 transitions. [2024-11-16 12:16:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 12:16:08,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:16:08,201 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:16:08,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 12:16:08,201 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:16:08,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:16:08,202 INFO L85 PathProgramCache]: Analyzing trace with hash 560392321, now seen corresponding path program 1 times [2024-11-16 12:16:08,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:16:08,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427070425] [2024-11-16 12:16:08,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:16:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:16:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:16:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:16:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:16:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:16:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:16:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:16:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:16:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:16:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:16:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:16:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:16:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:16:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:16:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:16:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:16:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:16:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:16:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:16:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:16:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:16:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:16:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:16:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:16:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:16:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:16:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:16:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:16:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:16:10,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:16:10,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427070425] [2024-11-16 12:16:10,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427070425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:16:10,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:16:10,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 12:16:10,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346447372] [2024-11-16 12:16:10,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:16:10,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 12:16:10,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:16:10,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 12:16:10,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:16:10,217 INFO L87 Difference]: Start difference. First operand 137 states and 210 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:11,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:16:11,301 INFO L93 Difference]: Finished difference Result 457 states and 685 transitions. [2024-11-16 12:16:11,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:16:11,301 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-16 12:16:11,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:16:11,303 INFO L225 Difference]: With dead ends: 457 [2024-11-16 12:16:11,303 INFO L226 Difference]: Without dead ends: 323 [2024-11-16 12:16:11,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-16 12:16:11,304 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 307 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:16:11,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 809 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 12:16:11,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-16 12:16:11,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 161. [2024-11-16 12:16:11,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 132 states have (on average 1.4772727272727273) internal successors, (195), 132 states have internal predecessors, (195), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:16:11,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 249 transitions. [2024-11-16 12:16:11,317 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 249 transitions. Word has length 172 [2024-11-16 12:16:11,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:16:11,317 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 249 transitions. [2024-11-16 12:16:11,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 249 transitions. [2024-11-16 12:16:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 12:16:11,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:16:11,320 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:16:11,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 12:16:11,320 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:16:11,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:16:11,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1247062142, now seen corresponding path program 1 times [2024-11-16 12:16:11,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:16:11,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063949420] [2024-11-16 12:16:11,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:16:11,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:16:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:16:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:16:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:16:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:16:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:16:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:16:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:16:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:16:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:16:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:16:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:16:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:16:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:16:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:16:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:16:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:16:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:16:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:16:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:16:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:16:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:16:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:16:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:16:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:16:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:16:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:16:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:16:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:16:20,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:16:20,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063949420] [2024-11-16 12:16:20,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063949420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:16:20,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:16:20,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 12:16:20,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816242176] [2024-11-16 12:16:20,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:16:20,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 12:16:20,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:16:20,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 12:16:20,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:16:20,514 INFO L87 Difference]: Start difference. First operand 161 states and 249 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:21,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:16:21,585 INFO L93 Difference]: Finished difference Result 465 states and 705 transitions. [2024-11-16 12:16:21,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 12:16:21,585 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-16 12:16:21,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:16:21,587 INFO L225 Difference]: With dead ends: 465 [2024-11-16 12:16:21,587 INFO L226 Difference]: Without dead ends: 307 [2024-11-16 12:16:21,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:16:21,588 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 246 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:16:21,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 908 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 12:16:21,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-16 12:16:21,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 158. [2024-11-16 12:16:21,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 129 states have (on average 1.4651162790697674) internal successors, (189), 129 states have internal predecessors, (189), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:16:21,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 243 transitions. [2024-11-16 12:16:21,594 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 243 transitions. Word has length 172 [2024-11-16 12:16:21,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:16:21,594 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 243 transitions. [2024-11-16 12:16:21,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:21,594 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 243 transitions. [2024-11-16 12:16:21,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 12:16:21,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:16:21,596 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:16:21,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 12:16:21,596 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:16:21,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:16:21,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2067944130, now seen corresponding path program 1 times [2024-11-16 12:16:21,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:16:21,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784525015] [2024-11-16 12:16:21,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:16:21,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:16:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:16:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:16:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:16:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:16:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:16:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:16:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:16:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:16:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:16:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:16:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:16:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:16:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:16:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:16:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:16:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:16:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:16:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:16:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:16:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:16:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:16:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:16:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:16:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:16:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:16:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:16:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:16:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:16:22,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:16:22,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784525015] [2024-11-16 12:16:22,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784525015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:16:22,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:16:22,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 12:16:22,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017703758] [2024-11-16 12:16:22,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:16:22,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:16:22,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:16:22,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:16:22,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:16:22,710 INFO L87 Difference]: Start difference. First operand 158 states and 243 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:23,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:16:23,916 INFO L93 Difference]: Finished difference Result 476 states and 711 transitions. [2024-11-16 12:16:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:16:23,917 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-16 12:16:23,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:16:23,919 INFO L225 Difference]: With dead ends: 476 [2024-11-16 12:16:23,920 INFO L226 Difference]: Without dead ends: 321 [2024-11-16 12:16:23,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:16:23,922 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 258 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:16:23,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 825 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 12:16:23,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-16 12:16:23,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 173. [2024-11-16 12:16:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 144 states have (on average 1.4652777777777777) internal successors, (211), 144 states have internal predecessors, (211), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:16:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 265 transitions. [2024-11-16 12:16:23,930 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 265 transitions. Word has length 172 [2024-11-16 12:16:23,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:16:23,934 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 265 transitions. [2024-11-16 12:16:23,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:23,934 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 265 transitions. [2024-11-16 12:16:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 12:16:23,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:16:23,935 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:16:23,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 12:16:23,935 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:16:23,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:16:23,936 INFO L85 PathProgramCache]: Analyzing trace with hash 260489667, now seen corresponding path program 1 times [2024-11-16 12:16:23,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:16:23,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752070896] [2024-11-16 12:16:23,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:16:23,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:16:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:16:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:16:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:16:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:16:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:16:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:16:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:16:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:16:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:16:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:16:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:16:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:16:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:16:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:16:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:16:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:16:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:16:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:16:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:16:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:16:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:16:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:16:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:16:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:16:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:16:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:16:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:16:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:16:25,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:16:25,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752070896] [2024-11-16 12:16:25,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752070896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:16:25,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:16:25,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 12:16:25,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100954395] [2024-11-16 12:16:25,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:16:25,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 12:16:25,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:16:25,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 12:16:25,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:16:25,114 INFO L87 Difference]: Start difference. First operand 173 states and 265 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:25,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:16:25,637 INFO L93 Difference]: Finished difference Result 462 states and 696 transitions. [2024-11-16 12:16:25,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:16:25,641 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-16 12:16:25,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:16:25,643 INFO L225 Difference]: With dead ends: 462 [2024-11-16 12:16:25,643 INFO L226 Difference]: Without dead ends: 292 [2024-11-16 12:16:25,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:16:25,644 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 234 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 12:16:25,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 561 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 12:16:25,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-16 12:16:25,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 158. [2024-11-16 12:16:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 129 states have (on average 1.4651162790697674) internal successors, (189), 129 states have internal predecessors, (189), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 12:16:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 243 transitions. [2024-11-16 12:16:25,654 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 243 transitions. Word has length 172 [2024-11-16 12:16:25,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:16:25,654 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 243 transitions. [2024-11-16 12:16:25,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:25,655 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 243 transitions. [2024-11-16 12:16:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 12:16:25,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:16:25,655 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:16:25,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 12:16:25,656 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:16:25,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:16:25,656 INFO L85 PathProgramCache]: Analyzing trace with hash 49858144, now seen corresponding path program 1 times [2024-11-16 12:16:25,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:16:25,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204372075] [2024-11-16 12:16:25,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:16:25,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:16:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:16:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:16:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:16:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:16:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:16:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:16:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:16:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:16:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:16:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:16:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:16:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:16:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:16:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:16:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:16:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:16:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:16:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:16:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:16:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:16:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:16:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:16:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:16:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:16:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:16:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:16:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:16:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:16:25,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:16:25,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204372075] [2024-11-16 12:16:25,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204372075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:16:25,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:16:25,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 12:16:25,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532581959] [2024-11-16 12:16:25,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:16:25,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 12:16:25,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:16:25,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 12:16:25,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 12:16:25,881 INFO L87 Difference]: Start difference. First operand 158 states and 243 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:26,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:16:26,033 INFO L93 Difference]: Finished difference Result 361 states and 552 transitions. [2024-11-16 12:16:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 12:16:26,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-16 12:16:26,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:16:26,035 INFO L225 Difference]: With dead ends: 361 [2024-11-16 12:16:26,035 INFO L226 Difference]: Without dead ends: 206 [2024-11-16 12:16:26,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:16:26,036 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 68 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:16:26,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 356 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 12:16:26,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-16 12:16:26,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2024-11-16 12:16:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 168 states have (on average 1.4642857142857142) internal successors, (246), 169 states have internal predecessors, (246), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 12:16:26,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 308 transitions. [2024-11-16 12:16:26,045 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 308 transitions. Word has length 172 [2024-11-16 12:16:26,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:16:26,045 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 308 transitions. [2024-11-16 12:16:26,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:26,045 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 308 transitions. [2024-11-16 12:16:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-16 12:16:26,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:16:26,046 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:16:26,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 12:16:26,046 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:16:26,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:16:26,047 INFO L85 PathProgramCache]: Analyzing trace with hash -716653777, now seen corresponding path program 1 times [2024-11-16 12:16:26,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:16:26,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448119800] [2024-11-16 12:16:26,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:16:26,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:16:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:16:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:16:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:16:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:16:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:16:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:16:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:16:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:16:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:16:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:16:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:16:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:16:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:16:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:16:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:16:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:16:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:16:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:16:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:16:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:16:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:16:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:16:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:16:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:16:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:16:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:16:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:16:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:16:27,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:16:27,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448119800] [2024-11-16 12:16:27,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448119800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:16:27,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:16:27,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 12:16:27,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387717867] [2024-11-16 12:16:27,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:16:27,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:16:27,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:16:27,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:16:27,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:16:27,836 INFO L87 Difference]: Start difference. First operand 202 states and 308 transitions. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:28,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:16:28,774 INFO L93 Difference]: Finished difference Result 582 states and 874 transitions. [2024-11-16 12:16:28,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 12:16:28,777 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 173 [2024-11-16 12:16:28,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:16:28,784 INFO L225 Difference]: With dead ends: 582 [2024-11-16 12:16:28,788 INFO L226 Difference]: Without dead ends: 383 [2024-11-16 12:16:28,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-16 12:16:28,789 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 376 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 12:16:28,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 680 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 12:16:28,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-16 12:16:28,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 203. [2024-11-16 12:16:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 169 states have (on average 1.4615384615384615) internal successors, (247), 170 states have internal predecessors, (247), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 12:16:28,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 309 transitions. [2024-11-16 12:16:28,801 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 309 transitions. Word has length 173 [2024-11-16 12:16:28,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:16:28,801 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 309 transitions. [2024-11-16 12:16:28,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 309 transitions. [2024-11-16 12:16:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-16 12:16:28,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:16:28,804 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:16:28,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 12:16:28,805 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:16:28,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:16:28,805 INFO L85 PathProgramCache]: Analyzing trace with hash 790898032, now seen corresponding path program 1 times [2024-11-16 12:16:28,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:16:28,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107659300] [2024-11-16 12:16:28,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:16:28,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:16:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:16:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:16:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:16:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:16:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:16:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:16:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:16:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:16:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:16:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:16:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:16:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:16:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:16:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:16:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:16:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:16:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:16:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:16:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:16:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:16:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:16:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:16:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:16:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:16:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:16:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:16:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:16:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:38,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:16:38,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:16:38,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107659300] [2024-11-16 12:16:38,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107659300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:16:38,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:16:38,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 12:16:38,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381933964] [2024-11-16 12:16:38,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:16:38,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:16:38,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:16:38,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:16:38,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:16:38,704 INFO L87 Difference]: Start difference. First operand 203 states and 309 transitions. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:39,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:16:39,965 INFO L93 Difference]: Finished difference Result 609 states and 906 transitions. [2024-11-16 12:16:39,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:16:39,967 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 173 [2024-11-16 12:16:39,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:16:39,969 INFO L225 Difference]: With dead ends: 609 [2024-11-16 12:16:39,969 INFO L226 Difference]: Without dead ends: 409 [2024-11-16 12:16:39,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:16:39,969 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 256 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:16:39,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 1052 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 12:16:39,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-16 12:16:39,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 186. [2024-11-16 12:16:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 152 states have (on average 1.4407894736842106) internal successors, (219), 153 states have internal predecessors, (219), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 12:16:39,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 281 transitions. [2024-11-16 12:16:39,979 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 281 transitions. Word has length 173 [2024-11-16 12:16:39,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:16:39,979 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 281 transitions. [2024-11-16 12:16:39,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:39,979 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 281 transitions. [2024-11-16 12:16:39,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-16 12:16:39,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:16:39,980 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:16:39,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 12:16:39,980 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:16:39,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:16:39,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1194618476, now seen corresponding path program 1 times [2024-11-16 12:16:39,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:16:39,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763936298] [2024-11-16 12:16:39,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:16:39,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:16:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:16:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:16:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:16:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:16:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:16:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:16:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:16:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:16:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:16:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:16:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:16:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:16:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:16:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:16:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:16:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:16:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:16:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:16:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:16:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:16:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:16:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:16:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:16:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:16:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:16:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:16:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:16:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:40,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:16:40,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:16:40,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763936298] [2024-11-16 12:16:40,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763936298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:16:40,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:16:40,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 12:16:40,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230932688] [2024-11-16 12:16:40,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:16:40,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 12:16:40,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:16:40,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 12:16:40,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 12:16:40,111 INFO L87 Difference]: Start difference. First operand 186 states and 281 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:40,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:16:40,243 INFO L93 Difference]: Finished difference Result 374 states and 564 transitions. [2024-11-16 12:16:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 12:16:40,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 173 [2024-11-16 12:16:40,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:16:40,247 INFO L225 Difference]: With dead ends: 374 [2024-11-16 12:16:40,247 INFO L226 Difference]: Without dead ends: 191 [2024-11-16 12:16:40,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:16:40,248 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 66 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:16:40,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 360 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 12:16:40,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-16 12:16:40,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 186. [2024-11-16 12:16:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 152 states have (on average 1.4407894736842106) internal successors, (219), 153 states have internal predecessors, (219), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 12:16:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 281 transitions. [2024-11-16 12:16:40,254 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 281 transitions. Word has length 173 [2024-11-16 12:16:40,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:16:40,254 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 281 transitions. [2024-11-16 12:16:40,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 12:16:40,255 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 281 transitions. [2024-11-16 12:16:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-16 12:16:40,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:16:40,256 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:16:40,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 12:16:40,256 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:16:40,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:16:40,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1653737369, now seen corresponding path program 1 times [2024-11-16 12:16:40,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:16:40,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285268733] [2024-11-16 12:16:40,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:16:40,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:16:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:16:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:16:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:16:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:16:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:16:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:16:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:16:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:16:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:16:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:16:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:16:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:16:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:16:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:16:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 12:16:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:16:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 12:16:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:16:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 12:16:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:16:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 12:16:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:16:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 12:16:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:16:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 12:16:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:16:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 12:16:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:16:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 12:16:41,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:16:41,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285268733] [2024-11-16 12:16:41,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285268733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:16:41,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:16:41,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 12:16:41,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313137745] [2024-11-16 12:16:41,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:16:41,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 12:16:41,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:16:41,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 12:16:41,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:16:41,269 INFO L87 Difference]: Start difference. First operand 186 states and 281 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)