./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-64.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 523ab1782dfa3dcdc0aab84be9cad9a55ebed22394710b8604ae8836b477b0ac --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 13:41:42,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 13:41:42,573 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 13:41:42,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 13:41:42,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 13:41:42,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 13:41:42,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 13:41:42,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 13:41:42,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 13:41:42,606 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 13:41:42,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 13:41:42,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 13:41:42,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 13:41:42,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 13:41:42,608 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 13:41:42,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 13:41:42,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 13:41:42,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 13:41:42,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 13:41:42,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 13:41:42,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 13:41:42,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 13:41:42,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 13:41:42,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 13:41:42,613 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 13:41:42,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 13:41:42,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 13:41:42,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 13:41:42,614 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 13:41:42,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 13:41:42,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 13:41:42,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 13:41:42,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:41:42,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 13:41:42,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 13:41:42,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 13:41:42,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 13:41:42,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 13:41:42,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 13:41:42,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 13:41:42,617 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 13:41:42,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 13:41:42,617 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 523ab1782dfa3dcdc0aab84be9cad9a55ebed22394710b8604ae8836b477b0ac [2024-11-16 13:41:42,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 13:41:42,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 13:41:42,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 13:41:42,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 13:41:42,861 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 13:41:42,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-64.i [2024-11-16 13:41:44,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 13:41:44,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 13:41:44,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-64.i [2024-11-16 13:41:44,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9babc8e11/1cb0659f05384e20aafc58a1f35e1898/FLAG97ea83901 [2024-11-16 13:41:44,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9babc8e11/1cb0659f05384e20aafc58a1f35e1898 [2024-11-16 13:41:44,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 13:41:44,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 13:41:44,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 13:41:44,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 13:41:44,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 13:41:44,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c91812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44, skipping insertion in model container [2024-11-16 13:41:44,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 13:41:44,536 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-64.i[915,928] [2024-11-16 13:41:44,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:41:44,602 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 13:41:44,624 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-64.i[915,928] [2024-11-16 13:41:44,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:41:44,714 INFO L204 MainTranslator]: Completed translation [2024-11-16 13:41:44,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44 WrapperNode [2024-11-16 13:41:44,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 13:41:44,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 13:41:44,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 13:41:44,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 13:41:44,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,758 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 273 [2024-11-16 13:41:44,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 13:41:44,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 13:41:44,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 13:41:44,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 13:41:44,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,793 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 13:41:44,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,804 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 13:41:44,816 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 13:41:44,816 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 13:41:44,816 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 13:41:44,817 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (1/1) ... [2024-11-16 13:41:44,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:41:44,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 13:41:44,845 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 13:41:44,852 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 13:41:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 13:41:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 13:41:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 13:41:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 13:41:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 13:41:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 13:41:44,978 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 13:41:44,979 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 13:41:45,278 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L213: havoc property_#t~bitwise29#1;havoc property_#t~short30#1; [2024-11-16 13:41:45,318 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-16 13:41:45,318 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 13:41:45,339 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 13:41:45,340 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 13:41:45,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:41:45 BoogieIcfgContainer [2024-11-16 13:41:45,341 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 13:41:45,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 13:41:45,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 13:41:45,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 13:41:45,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 01:41:44" (1/3) ... [2024-11-16 13:41:45,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0d5fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:41:45, skipping insertion in model container [2024-11-16 13:41:45,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:44" (2/3) ... [2024-11-16 13:41:45,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0d5fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:41:45, skipping insertion in model container [2024-11-16 13:41:45,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:41:45" (3/3) ... [2024-11-16 13:41:45,350 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-64.i [2024-11-16 13:41:45,364 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 13:41:45,365 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 13:41:45,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 13:41:45,417 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;@52991cf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 13:41:45,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 13:41:45,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 71 states have (on average 1.352112676056338) internal successors, (96), 72 states have internal predecessors, (96), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 13:41:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-16 13:41:45,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:41:45,436 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:45,437 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:41:45,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:41:45,444 INFO L85 PathProgramCache]: Analyzing trace with hash 2106552915, now seen corresponding path program 1 times [2024-11-16 13:41:45,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:41:45,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30904271] [2024-11-16 13:41:45,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:41:45,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:41:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:41:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:41:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:41:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:41:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 13:41:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:41:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 13:41:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:41:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:41:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:41:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:41:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:41:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:41:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:41:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:41:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:41:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:41:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:41:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:41:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:41:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:41:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:41:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:41:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:41:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:41:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:41:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:41:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:41:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:41:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:41:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:41:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 13:41:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 13:41:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:41:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:41:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:41:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:41:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:41:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:41:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:41:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:41:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:45,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:41:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:41:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 13:41:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 13:41:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 13:41:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 13:41:46,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:41:46,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30904271] [2024-11-16 13:41:46,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30904271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:41:46,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:41:46,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 13:41:46,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518536793] [2024-11-16 13:41:46,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:41:46,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 13:41:46,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:41:46,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 13:41:46,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 13:41:46,092 INFO L87 Difference]: Start difference. First operand has 120 states, 71 states have (on average 1.352112676056338) internal successors, (96), 72 states have internal predecessors, (96), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-16 13:41:46,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:41:46,138 INFO L93 Difference]: Finished difference Result 232 states and 415 transitions. [2024-11-16 13:41:46,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 13:41:46,142 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) Word has length 284 [2024-11-16 13:41:46,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:41:46,150 INFO L225 Difference]: With dead ends: 232 [2024-11-16 13:41:46,150 INFO L226 Difference]: Without dead ends: 115 [2024-11-16 13:41:46,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 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 13:41:46,156 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 13:41:46,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 13:41:46,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-16 13:41:46,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-16 13:41:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 67 states have internal predecessors, (88), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 13:41:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 180 transitions. [2024-11-16 13:41:46,222 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 180 transitions. Word has length 284 [2024-11-16 13:41:46,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:41:46,224 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 180 transitions. [2024-11-16 13:41:46,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-16 13:41:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 180 transitions. [2024-11-16 13:41:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-16 13:41:46,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:41:46,230 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:46,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 13:41:46,231 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:41:46,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:41:46,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1700072879, now seen corresponding path program 1 times [2024-11-16 13:41:46,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:41:46,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475370012] [2024-11-16 13:41:46,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:41:46,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:41:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:41:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:41:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:41:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:41:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 13:41:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:41:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 13:41:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:41:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:41:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:41:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:41:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:41:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:41:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:41:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:41:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:41:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:41:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:41:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:41:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:41:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:41:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:41:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:41:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:41:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:41:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:41:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:41:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:41:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:41:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:41:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:41:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 13:41:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 13:41:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:41:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:41:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:41:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:41:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:41:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:41:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:41:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:41:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:41:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:41:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 13:41:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 13:41:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 13:41:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 13:41:46,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:41:46,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475370012] [2024-11-16 13:41:46,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475370012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:41:46,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:41:46,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 13:41:46,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38510850] [2024-11-16 13:41:46,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:41:46,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 13:41:46,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:41:46,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 13:41:46,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:41:46,859 INFO L87 Difference]: Start difference. First operand 115 states and 180 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 13:41:47,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:41:47,209 INFO L93 Difference]: Finished difference Result 436 states and 683 transitions. [2024-11-16 13:41:47,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 13:41:47,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 284 [2024-11-16 13:41:47,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:41:47,218 INFO L225 Difference]: With dead ends: 436 [2024-11-16 13:41:47,219 INFO L226 Difference]: Without dead ends: 324 [2024-11-16 13:41:47,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 13:41:47,222 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 324 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 13:41:47,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 847 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 13:41:47,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-16 13:41:47,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 119. [2024-11-16 13:41:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 71 states have (on average 1.323943661971831) internal successors, (94), 71 states have internal predecessors, (94), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 13:41:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 186 transitions. [2024-11-16 13:41:47,257 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 186 transitions. Word has length 284 [2024-11-16 13:41:47,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:41:47,259 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 186 transitions. [2024-11-16 13:41:47,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 13:41:47,259 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 186 transitions. [2024-11-16 13:41:47,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-16 13:41:47,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:41:47,264 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:47,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 13:41:47,266 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:41:47,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:41:47,266 INFO L85 PathProgramCache]: Analyzing trace with hash 787439954, now seen corresponding path program 1 times [2024-11-16 13:41:47,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:41:47,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669917112] [2024-11-16 13:41:47,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:41:47,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:41:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:41:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:41:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:41:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:41:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 13:41:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:41:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 13:41:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:41:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:41:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:41:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:41:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:41:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:41:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:41:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:41:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:41:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:41:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:41:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:41:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:41:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:41:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:41:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:41:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:41:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:41:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:41:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:41:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:41:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:41:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:41:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:41:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 13:41:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 13:41:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:41:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:41:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:41:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:41:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:41:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:41:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:41:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:41:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:41:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:41:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 13:41:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 13:41:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 13:41:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 13:41:47,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:41:47,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669917112] [2024-11-16 13:41:47,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669917112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:41:47,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:41:47,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 13:41:47,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141542886] [2024-11-16 13:41:47,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:41:47,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 13:41:47,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:41:47,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 13:41:47,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:41:47,722 INFO L87 Difference]: Start difference. First operand 119 states and 186 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 13:41:47,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:41:47,979 INFO L93 Difference]: Finished difference Result 440 states and 688 transitions. [2024-11-16 13:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 13:41:47,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 284 [2024-11-16 13:41:47,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:41:47,984 INFO L225 Difference]: With dead ends: 440 [2024-11-16 13:41:47,984 INFO L226 Difference]: Without dead ends: 324 [2024-11-16 13:41:47,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 13:41:47,986 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 323 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 13:41:47,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 869 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 13:41:47,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-16 13:41:48,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 119. [2024-11-16 13:41:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 71 states have (on average 1.323943661971831) internal successors, (94), 71 states have internal predecessors, (94), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 13:41:48,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 186 transitions. [2024-11-16 13:41:48,013 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 186 transitions. Word has length 284 [2024-11-16 13:41:48,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:41:48,014 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 186 transitions. [2024-11-16 13:41:48,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 13:41:48,015 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 186 transitions. [2024-11-16 13:41:48,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-16 13:41:48,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:41:48,017 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:48,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 13:41:48,017 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:41:48,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:41:48,018 INFO L85 PathProgramCache]: Analyzing trace with hash 2111349552, now seen corresponding path program 1 times [2024-11-16 13:41:48,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:41:48,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612143324] [2024-11-16 13:41:48,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:41:48,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:41:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:41:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:41:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:41:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:41:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 13:41:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:41:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 13:41:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:41:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:41:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:41:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:41:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:41:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:41:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:41:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:41:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:41:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:41:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:41:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:41:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:41:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:41:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:41:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:41:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:41:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:41:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:41:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:41:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:41:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:41:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:41:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:41:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 13:41:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 13:41:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:41:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:41:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:41:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:41:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:41:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:41:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:41:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:41:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:41:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:41:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 13:41:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 13:41:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 13:41:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:48,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 13:41:48,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:41:48,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612143324] [2024-11-16 13:41:48,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612143324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:41:48,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:41:48,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 13:41:48,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282401804] [2024-11-16 13:41:48,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:41:48,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 13:41:48,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:41:48,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 13:41:48,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:41:48,417 INFO L87 Difference]: Start difference. First operand 119 states and 186 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 13:41:48,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:41:48,721 INFO L93 Difference]: Finished difference Result 354 states and 549 transitions. [2024-11-16 13:41:48,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 13:41:48,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 284 [2024-11-16 13:41:48,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:41:48,723 INFO L225 Difference]: With dead ends: 354 [2024-11-16 13:41:48,723 INFO L226 Difference]: Without dead ends: 238 [2024-11-16 13:41:48,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 13:41:48,725 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 183 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 13:41:48,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1023 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 13:41:48,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-16 13:41:48,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 119. [2024-11-16 13:41:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 71 states have (on average 1.323943661971831) internal successors, (94), 71 states have internal predecessors, (94), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 13:41:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 186 transitions. [2024-11-16 13:41:48,735 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 186 transitions. Word has length 284 [2024-11-16 13:41:48,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:41:48,736 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 186 transitions. [2024-11-16 13:41:48,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 13:41:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 186 transitions. [2024-11-16 13:41:48,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-16 13:41:48,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:41:48,739 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:48,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 13:41:48,739 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:41:48,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:41:48,739 INFO L85 PathProgramCache]: Analyzing trace with hash 303895089, now seen corresponding path program 1 times [2024-11-16 13:41:48,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:41:48,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768773442] [2024-11-16 13:41:48,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:41:48,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:41:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:41:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:41:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:41:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:41:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 13:41:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:41:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 13:41:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:41:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:41:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:41:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:41:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:41:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:41:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:41:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:41:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:41:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:41:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:41:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:41:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:41:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:41:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:41:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:41:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:41:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:41:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:41:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:41:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:41:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:41:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:41:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:41:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 13:41:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 13:41:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:41:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:41:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:41:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:41:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:41:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:41:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:41:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:41:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:41:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:41:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 13:41:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 13:41:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 13:41:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:41:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 13:41:52,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:41:52,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768773442] [2024-11-16 13:41:52,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768773442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:41:52,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:41:52,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 13:41:52,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81039099] [2024-11-16 13:41:52,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:41:52,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 13:41:52,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:41:52,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 13:41:52,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:41:52,870 INFO L87 Difference]: Start difference. First operand 119 states and 186 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 13:41:53,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:41:53,164 INFO L93 Difference]: Finished difference Result 349 states and 540 transitions. [2024-11-16 13:41:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 13:41:53,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 284 [2024-11-16 13:41:53,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:41:53,167 INFO L225 Difference]: With dead ends: 349 [2024-11-16 13:41:53,167 INFO L226 Difference]: Without dead ends: 233 [2024-11-16 13:41:53,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 13:41:53,168 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 174 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 13:41:53,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 830 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 13:41:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-16 13:41:53,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 115. [2024-11-16 13:41:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 13:41:53,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 179 transitions. [2024-11-16 13:41:53,192 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 179 transitions. Word has length 284 [2024-11-16 13:41:53,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:41:53,193 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 179 transitions. [2024-11-16 13:41:53,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 13:41:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 179 transitions. [2024-11-16 13:41:53,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-16 13:41:53,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:41:53,196 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:53,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 13:41:53,197 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:41:53,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:41:53,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1531041453, now seen corresponding path program 1 times [2024-11-16 13:41:53,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:41:53,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935356638] [2024-11-16 13:41:53,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:41:53,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:41:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat