./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d16_e0.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 33774d83018379aa04e45e30340c1d97ec67426f333026d18de250aceb7d5f88 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 01:19:28,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 01:19:28,522 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 01:19:28,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 01:19:28,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 01:19:28,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 01:19:28,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 01:19:28,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 01:19:28,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 01:19:28,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 01:19:28,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 01:19:28,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 01:19:28,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 01:19:28,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 01:19:28,575 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 01:19:28,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 01:19:28,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 01:19:28,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 01:19:28,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 01:19:28,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 01:19:28,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 01:19:28,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 01:19:28,581 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 01:19:28,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 01:19:28,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 01:19:28,582 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 01:19:28,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 01:19:28,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 01:19:28,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 01:19:28,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 01:19:28,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 01:19:28,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 01:19:28,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 01:19:28,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 01:19:28,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 01:19:28,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 01:19:28,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 01:19:28,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 01:19:28,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 01:19:28,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33774d83018379aa04e45e30340c1d97ec67426f333026d18de250aceb7d5f88 [2024-11-10 01:19:28,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 01:19:28,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 01:19:28,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 01:19:28,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 01:19:28,896 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 01:19:28,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d16_e0.c [2024-11-10 01:19:30,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 01:19:30,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 01:19:30,799 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d16_e0.c [2024-11-10 01:19:30,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2fc042e/728a4d42bd944afaa95745db17fdeede/FLAGc2642a6c8 [2024-11-10 01:19:30,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2fc042e/728a4d42bd944afaa95745db17fdeede [2024-11-10 01:19:30,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 01:19:30,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 01:19:30,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 01:19:30,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 01:19:30,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 01:19:30,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:19:30" (1/1) ... [2024-11-10 01:19:30,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa1fd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:30, skipping insertion in model container [2024-11-10 01:19:30,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:19:30" (1/1) ... [2024-11-10 01:19:30,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 01:19:31,198 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/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d16_e0.c[1270,1283] [2024-11-10 01:19:31,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 01:19:31,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 01:19:31,794 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/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d16_e0.c[1270,1283] [2024-11-10 01:19:32,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 01:19:32,140 INFO L204 MainTranslator]: Completed translation [2024-11-10 01:19:32,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32 WrapperNode [2024-11-10 01:19:32,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 01:19:32,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 01:19:32,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 01:19:32,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 01:19:32,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:32,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:33,245 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8331 [2024-11-10 01:19:33,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 01:19:33,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 01:19:33,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 01:19:33,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 01:19:33,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:33,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:33,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:34,002 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 01:19:34,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:34,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:34,284 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:34,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:34,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:34,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:34,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 01:19:34,495 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 01:19:34,495 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 01:19:34,495 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 01:19:34,496 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (1/1) ... [2024-11-10 01:19:34,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 01:19:34,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 01:19:34,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 01:19:34,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 01:19:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 01:19:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 01:19:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 01:19:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 01:19:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 01:19:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 01:19:35,225 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 01:19:35,226 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 01:19:44,343 INFO L? ?]: Removed 4770 outVars from TransFormulas that were not future-live. [2024-11-10 01:19:44,343 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 01:19:44,594 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 01:19:44,594 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 01:19:44,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 01:19:44 BoogieIcfgContainer [2024-11-10 01:19:44,595 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 01:19:44,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 01:19:44,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 01:19:44,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 01:19:44,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:19:30" (1/3) ... [2024-11-10 01:19:44,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cfbf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:19:44, skipping insertion in model container [2024-11-10 01:19:44,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:19:32" (2/3) ... [2024-11-10 01:19:44,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cfbf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:19:44, skipping insertion in model container [2024-11-10 01:19:44,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 01:19:44" (3/3) ... [2024-11-10 01:19:44,606 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n5_w8_d16_e0.c [2024-11-10 01:19:44,624 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 01:19:44,624 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 01:19:44,743 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 01:19:44,750 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;@59920f90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 01:19:44,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 01:19:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 2377 states, 2358 states have (on average 1.4953350296861747) internal successors, (3526), 2359 states have internal predecessors, (3526), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:19:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-11-10 01:19:44,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:19:44,819 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:19:44,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:19:44,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:19:44,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1373206196, now seen corresponding path program 1 times [2024-11-10 01:19:44,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:19:44,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632824135] [2024-11-10 01:19:44,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:19:44,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:19:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:45,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:19:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:45,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:19:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:45,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:19:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:45,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:19:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:45,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:19:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:45,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:19:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:46,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:19:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:46,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:19:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:46,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:19:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-10 01:19:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:46,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-11-10 01:19:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:46,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-11-10 01:19:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:46,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2024-11-10 01:19:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:46,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-11-10 01:19:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:46,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2024-11-10 01:19:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:46,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2024-11-10 01:19:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:46,174 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:19:46,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:19:46,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632824135] [2024-11-10 01:19:46,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632824135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:19:46,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:19:46,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 01:19:46,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672321962] [2024-11-10 01:19:46,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:19:46,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 01:19:46,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:19:46,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 01:19:46,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 01:19:46,233 INFO L87 Difference]: Start difference. First operand has 2377 states, 2358 states have (on average 1.4953350296861747) internal successors, (3526), 2359 states have internal predecessors, (3526), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 316.5) internal successors, (633), 2 states have internal predecessors, (633), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:19:47,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:19:47,034 INFO L93 Difference]: Finished difference Result 4327 states and 6496 transitions. [2024-11-10 01:19:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 01:19:47,038 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 316.5) internal successors, (633), 2 states have internal predecessors, (633), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 710 [2024-11-10 01:19:47,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:19:47,062 INFO L225 Difference]: With dead ends: 4327 [2024-11-10 01:19:47,063 INFO L226 Difference]: Without dead ends: 2372 [2024-11-10 01:19:47,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 01:19:47,077 INFO L432 NwaCegarLoop]: 2969 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2969 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 01:19:47,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2969 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 01:19:47,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2024-11-10 01:19:47,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 2372. [2024-11-10 01:19:47,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2372 states, 2354 states have (on average 1.4949022939677146) internal successors, (3519), 2354 states have internal predecessors, (3519), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:19:47,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 3551 transitions. [2024-11-10 01:19:47,233 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 3551 transitions. Word has length 710 [2024-11-10 01:19:47,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:19:47,235 INFO L471 AbstractCegarLoop]: Abstraction has 2372 states and 3551 transitions. [2024-11-10 01:19:47,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 316.5) internal successors, (633), 2 states have internal predecessors, (633), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:19:47,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 3551 transitions. [2024-11-10 01:19:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-11-10 01:19:47,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:19:47,255 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:19:47,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 01:19:47,257 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:19:47,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:19:47,258 INFO L85 PathProgramCache]: Analyzing trace with hash -907175356, now seen corresponding path program 1 times [2024-11-10 01:19:47,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:19:47,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728441202] [2024-11-10 01:19:47,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:19:47,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:19:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:19:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:19:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:19:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:19:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:19:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:19:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:19:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:19:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:19:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-10 01:19:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-11-10 01:19:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-11-10 01:19:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2024-11-10 01:19:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-11-10 01:19:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2024-11-10 01:19:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2024-11-10 01:19:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:19:51,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:19:51,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728441202] [2024-11-10 01:19:51,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728441202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:19:51,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:19:51,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:19:51,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936428755] [2024-11-10 01:19:51,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:19:51,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:19:51,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:19:51,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:19:51,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:19:51,354 INFO L87 Difference]: Start difference. First operand 2372 states and 3551 transitions. Second operand has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:19:52,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:19:52,506 INFO L93 Difference]: Finished difference Result 2377 states and 3556 transitions. [2024-11-10 01:19:52,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:19:52,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 710 [2024-11-10 01:19:52,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:19:52,518 INFO L225 Difference]: With dead ends: 2377 [2024-11-10 01:19:52,519 INFO L226 Difference]: Without dead ends: 2374 [2024-11-10 01:19:52,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:19:52,521 INFO L432 NwaCegarLoop]: 2967 mSDtfsCounter, 0 mSDsluCounter, 5929 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8896 SdHoareTripleChecker+Invalid, 1756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 01:19:52,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8896 Invalid, 1756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 01:19:52,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2024-11-10 01:19:52,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2374. [2024-11-10 01:19:52,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2356 states have (on average 1.4944821731748728) internal successors, (3521), 2356 states have internal predecessors, (3521), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:19:52,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3553 transitions. [2024-11-10 01:19:52,582 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3553 transitions. Word has length 710 [2024-11-10 01:19:52,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:19:52,585 INFO L471 AbstractCegarLoop]: Abstraction has 2374 states and 3553 transitions. [2024-11-10 01:19:52,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:19:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3553 transitions. [2024-11-10 01:19:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-11-10 01:19:52,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:19:52,602 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:19:52,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 01:19:52,603 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:19:52,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:19:52,604 INFO L85 PathProgramCache]: Analyzing trace with hash 2087390359, now seen corresponding path program 1 times [2024-11-10 01:19:52,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:19:52,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573448843] [2024-11-10 01:19:52,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:19:52,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:19:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:19:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:19:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:19:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:19:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:19:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:19:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:19:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:19:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:19:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-10 01:19:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-11-10 01:19:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-11-10 01:19:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2024-11-10 01:19:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-11-10 01:19:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2024-11-10 01:19:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2024-11-10 01:19:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:54,726 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:19:54,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:19:54,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573448843] [2024-11-10 01:19:54,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573448843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:19:54,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:19:54,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:19:54,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466131573] [2024-11-10 01:19:54,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:19:54,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:19:54,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:19:54,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:19:54,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:19:54,731 INFO L87 Difference]: Start difference. First operand 2374 states and 3553 transitions. Second operand has 5 states, 5 states have (on average 126.8) internal successors, (634), 5 states have internal predecessors, (634), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:19:58,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:19:58,000 INFO L93 Difference]: Finished difference Result 5929 states and 8877 transitions. [2024-11-10 01:19:58,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 01:19:58,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 126.8) internal successors, (634), 5 states have internal predecessors, (634), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 711 [2024-11-10 01:19:58,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:19:58,012 INFO L225 Difference]: With dead ends: 5929 [2024-11-10 01:19:58,013 INFO L226 Difference]: Without dead ends: 2374 [2024-11-10 01:19:58,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 01:19:58,020 INFO L432 NwaCegarLoop]: 4586 mSDtfsCounter, 5178 mSDsluCounter, 6871 mSDsCounter, 0 mSdLazyCounter, 3515 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5185 SdHoareTripleChecker+Valid, 11457 SdHoareTripleChecker+Invalid, 3697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 3515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:19:58,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5185 Valid, 11457 Invalid, 3697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [182 Valid, 3515 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-10 01:19:58,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2024-11-10 01:19:58,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2374. [2024-11-10 01:19:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2356 states have (on average 1.4940577249575553) internal successors, (3520), 2356 states have internal predecessors, (3520), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:19:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3552 transitions. [2024-11-10 01:19:58,083 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3552 transitions. Word has length 711 [2024-11-10 01:19:58,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:19:58,085 INFO L471 AbstractCegarLoop]: Abstraction has 2374 states and 3552 transitions. [2024-11-10 01:19:58,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 126.8) internal successors, (634), 5 states have internal predecessors, (634), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:19:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3552 transitions. [2024-11-10 01:19:58,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2024-11-10 01:19:58,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:19:58,097 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:19:58,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 01:19:58,098 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:19:58,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:19:58,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1712639673, now seen corresponding path program 1 times [2024-11-10 01:19:58,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:19:58,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955848467] [2024-11-10 01:19:58,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:19:58,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:19:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:59,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:19:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:59,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:19:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:59,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:19:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:59,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:19:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:59,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:19:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:59,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:19:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:59,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:19:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:59,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:19:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:59,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:19:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:19:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:19:59,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:19:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:00,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:00,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:00,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:00,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:00,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:00,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955848467] [2024-11-10 01:20:00,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955848467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:00,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:00,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:20:00,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286912342] [2024-11-10 01:20:00,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:00,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:20:00,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:00,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:20:00,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:00,029 INFO L87 Difference]: Start difference. First operand 2374 states and 3552 transitions. Second operand has 5 states, 5 states have (on average 127.0) internal successors, (635), 5 states have internal predecessors, (635), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:20:01,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:01,980 INFO L93 Difference]: Finished difference Result 4326 states and 6472 transitions. [2024-11-10 01:20:01,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:20:01,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 127.0) internal successors, (635), 5 states have internal predecessors, (635), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 712 [2024-11-10 01:20:01,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:01,991 INFO L225 Difference]: With dead ends: 4326 [2024-11-10 01:20:01,991 INFO L226 Difference]: Without dead ends: 2374 [2024-11-10 01:20:01,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:20:01,997 INFO L432 NwaCegarLoop]: 2247 mSDtfsCounter, 3443 mSDsluCounter, 2269 mSDsCounter, 0 mSdLazyCounter, 2619 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3452 SdHoareTripleChecker+Valid, 4516 SdHoareTripleChecker+Invalid, 2620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:01,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3452 Valid, 4516 Invalid, 2620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2619 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 01:20:02,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2024-11-10 01:20:02,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2374. [2024-11-10 01:20:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2356 states have (on average 1.4936332767402376) internal successors, (3519), 2356 states have internal predecessors, (3519), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3551 transitions. [2024-11-10 01:20:02,056 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3551 transitions. Word has length 712 [2024-11-10 01:20:02,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:02,057 INFO L471 AbstractCegarLoop]: Abstraction has 2374 states and 3551 transitions. [2024-11-10 01:20:02,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.0) internal successors, (635), 5 states have internal predecessors, (635), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:20:02,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3551 transitions. [2024-11-10 01:20:02,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2024-11-10 01:20:02,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:02,064 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:02,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 01:20:02,065 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:02,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:02,065 INFO L85 PathProgramCache]: Analyzing trace with hash 399417983, now seen corresponding path program 1 times [2024-11-10 01:20:02,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:02,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886571930] [2024-11-10 01:20:02,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:02,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:03,874 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:03,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:03,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886571930] [2024-11-10 01:20:03,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886571930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:03,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:03,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:20:03,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377771787] [2024-11-10 01:20:03,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:03,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:20:03,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:03,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:20:03,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:03,879 INFO L87 Difference]: Start difference. First operand 2374 states and 3551 transitions. Second operand has 5 states, 5 states have (on average 127.2) internal successors, (636), 5 states have internal predecessors, (636), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:20:05,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:05,513 INFO L93 Difference]: Finished difference Result 4326 states and 6470 transitions. [2024-11-10 01:20:05,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:20:05,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 127.2) internal successors, (636), 5 states have internal predecessors, (636), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 713 [2024-11-10 01:20:05,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:05,523 INFO L225 Difference]: With dead ends: 4326 [2024-11-10 01:20:05,524 INFO L226 Difference]: Without dead ends: 2374 [2024-11-10 01:20:05,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:20:05,528 INFO L432 NwaCegarLoop]: 2247 mSDtfsCounter, 6478 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 2617 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6487 SdHoareTripleChecker+Valid, 4496 SdHoareTripleChecker+Invalid, 2618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:05,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6487 Valid, 4496 Invalid, 2618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2617 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 01:20:05,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2024-11-10 01:20:05,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2374. [2024-11-10 01:20:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2356 states have (on average 1.4932088285229201) internal successors, (3518), 2356 states have internal predecessors, (3518), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3550 transitions. [2024-11-10 01:20:05,576 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3550 transitions. Word has length 713 [2024-11-10 01:20:05,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:05,577 INFO L471 AbstractCegarLoop]: Abstraction has 2374 states and 3550 transitions. [2024-11-10 01:20:05,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.2) internal successors, (636), 5 states have internal predecessors, (636), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:20:05,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3550 transitions. [2024-11-10 01:20:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2024-11-10 01:20:05,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:05,586 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:05,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 01:20:05,587 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:05,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:05,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1092478758, now seen corresponding path program 1 times [2024-11-10 01:20:05,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:05,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769591765] [2024-11-10 01:20:05,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:05,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:07,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:07,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769591765] [2024-11-10 01:20:07,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769591765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:07,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:07,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:20:07,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617498165] [2024-11-10 01:20:07,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:07,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:20:07,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:07,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:20:07,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:07,397 INFO L87 Difference]: Start difference. First operand 2374 states and 3550 transitions. Second operand has 5 states, 5 states have (on average 127.4) internal successors, (637), 5 states have internal predecessors, (637), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:20:09,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:09,162 INFO L93 Difference]: Finished difference Result 4326 states and 6468 transitions. [2024-11-10 01:20:09,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:20:09,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 127.4) internal successors, (637), 5 states have internal predecessors, (637), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 714 [2024-11-10 01:20:09,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:09,173 INFO L225 Difference]: With dead ends: 4326 [2024-11-10 01:20:09,173 INFO L226 Difference]: Without dead ends: 2374 [2024-11-10 01:20:09,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:20:09,178 INFO L432 NwaCegarLoop]: 2247 mSDtfsCounter, 3347 mSDsluCounter, 2269 mSDsCounter, 0 mSdLazyCounter, 2615 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3356 SdHoareTripleChecker+Valid, 4516 SdHoareTripleChecker+Invalid, 2616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:09,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3356 Valid, 4516 Invalid, 2616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2615 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 01:20:09,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2024-11-10 01:20:09,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2374. [2024-11-10 01:20:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2356 states have (on average 1.4927843803056027) internal successors, (3517), 2356 states have internal predecessors, (3517), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:09,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3549 transitions. [2024-11-10 01:20:09,228 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3549 transitions. Word has length 714 [2024-11-10 01:20:09,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:09,229 INFO L471 AbstractCegarLoop]: Abstraction has 2374 states and 3549 transitions. [2024-11-10 01:20:09,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.4) internal successors, (637), 5 states have internal predecessors, (637), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:20:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3549 transitions. [2024-11-10 01:20:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2024-11-10 01:20:09,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:09,242 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:09,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 01:20:09,243 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:09,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:09,243 INFO L85 PathProgramCache]: Analyzing trace with hash 67767756, now seen corresponding path program 1 times [2024-11-10 01:20:09,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:09,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006522862] [2024-11-10 01:20:09,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:09,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:10,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:10,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006522862] [2024-11-10 01:20:10,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006522862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:10,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:10,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:20:10,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602712423] [2024-11-10 01:20:10,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:10,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:20:10,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:10,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:20:10,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:10,819 INFO L87 Difference]: Start difference. First operand 2374 states and 3549 transitions. Second operand has 5 states, 5 states have (on average 127.6) internal successors, (638), 5 states have internal predecessors, (638), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:20:12,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:12,404 INFO L93 Difference]: Finished difference Result 4326 states and 6466 transitions. [2024-11-10 01:20:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:20:12,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 127.6) internal successors, (638), 5 states have internal predecessors, (638), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 715 [2024-11-10 01:20:12,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:12,418 INFO L225 Difference]: With dead ends: 4326 [2024-11-10 01:20:12,419 INFO L226 Difference]: Without dead ends: 2374 [2024-11-10 01:20:12,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:20:12,425 INFO L432 NwaCegarLoop]: 2247 mSDtfsCounter, 6286 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 2613 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6295 SdHoareTripleChecker+Valid, 4496 SdHoareTripleChecker+Invalid, 2614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:12,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6295 Valid, 4496 Invalid, 2614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2613 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 01:20:12,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2024-11-10 01:20:12,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2374. [2024-11-10 01:20:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2356 states have (on average 1.4923599320882852) internal successors, (3516), 2356 states have internal predecessors, (3516), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:12,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3548 transitions. [2024-11-10 01:20:12,467 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3548 transitions. Word has length 715 [2024-11-10 01:20:12,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:12,468 INFO L471 AbstractCegarLoop]: Abstraction has 2374 states and 3548 transitions. [2024-11-10 01:20:12,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.6) internal successors, (638), 5 states have internal predecessors, (638), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:20:12,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3548 transitions. [2024-11-10 01:20:12,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2024-11-10 01:20:12,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:12,475 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:12,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 01:20:12,476 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:12,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:12,476 INFO L85 PathProgramCache]: Analyzing trace with hash -629696237, now seen corresponding path program 1 times [2024-11-10 01:20:12,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:12,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186799084] [2024-11-10 01:20:12,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:12,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:13,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:13,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186799084] [2024-11-10 01:20:13,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186799084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:13,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:13,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:20:13,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405476627] [2024-11-10 01:20:13,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:13,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:20:13,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:13,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:20:13,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:13,932 INFO L87 Difference]: Start difference. First operand 2374 states and 3548 transitions. Second operand has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:20:15,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:15,655 INFO L93 Difference]: Finished difference Result 4326 states and 6464 transitions. [2024-11-10 01:20:15,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:20:15,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 716 [2024-11-10 01:20:15,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:15,665 INFO L225 Difference]: With dead ends: 4326 [2024-11-10 01:20:15,665 INFO L226 Difference]: Without dead ends: 2374 [2024-11-10 01:20:15,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:20:15,669 INFO L432 NwaCegarLoop]: 2247 mSDtfsCounter, 6190 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6199 SdHoareTripleChecker+Valid, 4496 SdHoareTripleChecker+Invalid, 2612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:15,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6199 Valid, 4496 Invalid, 2612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2611 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 01:20:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2024-11-10 01:20:15,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2374. [2024-11-10 01:20:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2356 states have (on average 1.4919354838709677) internal successors, (3515), 2356 states have internal predecessors, (3515), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:15,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3547 transitions. [2024-11-10 01:20:15,710 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3547 transitions. Word has length 716 [2024-11-10 01:20:15,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:15,711 INFO L471 AbstractCegarLoop]: Abstraction has 2374 states and 3547 transitions. [2024-11-10 01:20:15,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 01:20:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3547 transitions. [2024-11-10 01:20:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2024-11-10 01:20:15,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:15,719 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:15,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 01:20:15,719 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:15,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:15,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1564726631, now seen corresponding path program 1 times [2024-11-10 01:20:15,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:15,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398246192] [2024-11-10 01:20:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:15,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:16,905 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:16,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:16,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398246192] [2024-11-10 01:20:16,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398246192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:16,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:16,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:20:16,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486267945] [2024-11-10 01:20:16,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:16,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:20:16,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:16,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:20:16,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:20:16,909 INFO L87 Difference]: Start difference. First operand 2374 states and 3547 transitions. Second operand has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:17,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:17,747 INFO L93 Difference]: Finished difference Result 4328 states and 6465 transitions. [2024-11-10 01:20:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:20:17,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 717 [2024-11-10 01:20:17,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:17,755 INFO L225 Difference]: With dead ends: 4328 [2024-11-10 01:20:17,755 INFO L226 Difference]: Without dead ends: 2376 [2024-11-10 01:20:17,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:20:17,758 INFO L432 NwaCegarLoop]: 2961 mSDtfsCounter, 0 mSDsluCounter, 5914 mSDsCounter, 0 mSdLazyCounter, 1759 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8875 SdHoareTripleChecker+Invalid, 1759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:17,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8875 Invalid, 1759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1759 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 01:20:17,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2024-11-10 01:20:17,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2376. [2024-11-10 01:20:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2358 states have (on average 1.491518235793045) internal successors, (3517), 2358 states have internal predecessors, (3517), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3549 transitions. [2024-11-10 01:20:17,796 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3549 transitions. Word has length 717 [2024-11-10 01:20:17,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:17,797 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3549 transitions. [2024-11-10 01:20:17,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:17,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3549 transitions. [2024-11-10 01:20:17,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2024-11-10 01:20:17,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:17,805 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:17,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 01:20:17,805 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:17,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:17,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1514639801, now seen corresponding path program 1 times [2024-11-10 01:20:17,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:17,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106628640] [2024-11-10 01:20:17,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:17,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:19,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:19,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106628640] [2024-11-10 01:20:19,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106628640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:19,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:19,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:20:19,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259331930] [2024-11-10 01:20:19,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:19,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:20:19,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:19,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:20:19,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:20:19,709 INFO L87 Difference]: Start difference. First operand 2376 states and 3549 transitions. Second operand has 4 states, 4 states have (on average 160.25) internal successors, (641), 4 states have internal predecessors, (641), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:20,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:20,783 INFO L93 Difference]: Finished difference Result 4330 states and 6466 transitions. [2024-11-10 01:20:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:20:20,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 160.25) internal successors, (641), 4 states have internal predecessors, (641), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 718 [2024-11-10 01:20:20,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:20,791 INFO L225 Difference]: With dead ends: 4330 [2024-11-10 01:20:20,791 INFO L226 Difference]: Without dead ends: 2376 [2024-11-10 01:20:20,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:20,794 INFO L432 NwaCegarLoop]: 2769 mSDtfsCounter, 3023 mSDsluCounter, 2771 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3023 SdHoareTripleChecker+Valid, 5540 SdHoareTripleChecker+Invalid, 1565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:20,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3023 Valid, 5540 Invalid, 1565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 01:20:20,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2024-11-10 01:20:20,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2376. [2024-11-10 01:20:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2358 states have (on average 1.491094147582697) internal successors, (3516), 2358 states have internal predecessors, (3516), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3548 transitions. [2024-11-10 01:20:20,830 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3548 transitions. Word has length 718 [2024-11-10 01:20:20,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:20,831 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3548 transitions. [2024-11-10 01:20:20,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 160.25) internal successors, (641), 4 states have internal predecessors, (641), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3548 transitions. [2024-11-10 01:20:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2024-11-10 01:20:20,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:20,837 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:20,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 01:20:20,838 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:20,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:20,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1150047110, now seen corresponding path program 1 times [2024-11-10 01:20:20,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:20,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476695285] [2024-11-10 01:20:20,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:20,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:22,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:22,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476695285] [2024-11-10 01:20:22,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476695285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:22,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:22,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:20:22,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584560552] [2024-11-10 01:20:22,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:22,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:20:22,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:22,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:20:22,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:22,164 INFO L87 Difference]: Start difference. First operand 2376 states and 3548 transitions. Second operand has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:23,446 INFO L93 Difference]: Finished difference Result 4498 states and 6713 transitions. [2024-11-10 01:20:23,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 01:20:23,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 719 [2024-11-10 01:20:23,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:23,456 INFO L225 Difference]: With dead ends: 4498 [2024-11-10 01:20:23,456 INFO L226 Difference]: Without dead ends: 2376 [2024-11-10 01:20:23,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 01:20:23,458 INFO L432 NwaCegarLoop]: 2936 mSDtfsCounter, 3498 mSDsluCounter, 5721 mSDsCounter, 0 mSdLazyCounter, 1991 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3498 SdHoareTripleChecker+Valid, 8657 SdHoareTripleChecker+Invalid, 2002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:23,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3498 Valid, 8657 Invalid, 2002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1991 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 01:20:23,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2024-11-10 01:20:23,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2376. [2024-11-10 01:20:23,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2358 states have (on average 1.4906700593723494) internal successors, (3515), 2358 states have internal predecessors, (3515), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:23,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3547 transitions. [2024-11-10 01:20:23,492 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3547 transitions. Word has length 719 [2024-11-10 01:20:23,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:23,493 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3547 transitions. [2024-11-10 01:20:23,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3547 transitions. [2024-11-10 01:20:23,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2024-11-10 01:20:23,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:23,499 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:23,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 01:20:23,500 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:23,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:23,500 INFO L85 PathProgramCache]: Analyzing trace with hash -974767, now seen corresponding path program 1 times [2024-11-10 01:20:23,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:23,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895797111] [2024-11-10 01:20:23,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:23,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:24,666 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:24,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:24,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895797111] [2024-11-10 01:20:24,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895797111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:24,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:24,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:20:24,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756211544] [2024-11-10 01:20:24,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:24,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:20:24,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:24,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:20:24,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:24,669 INFO L87 Difference]: Start difference. First operand 2376 states and 3547 transitions. Second operand has 5 states, 5 states have (on average 128.6) internal successors, (643), 5 states have internal predecessors, (643), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:25,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:25,812 INFO L93 Difference]: Finished difference Result 4330 states and 6462 transitions. [2024-11-10 01:20:25,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:20:25,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 128.6) internal successors, (643), 5 states have internal predecessors, (643), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 720 [2024-11-10 01:20:25,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:25,819 INFO L225 Difference]: With dead ends: 4330 [2024-11-10 01:20:25,819 INFO L226 Difference]: Without dead ends: 2376 [2024-11-10 01:20:25,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:20:25,822 INFO L432 NwaCegarLoop]: 2769 mSDtfsCounter, 3505 mSDsluCounter, 2791 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3521 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:25,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3521 Valid, 5560 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1561 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 01:20:25,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2024-11-10 01:20:25,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2376. [2024-11-10 01:20:25,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2358 states have (on average 1.4902459711620017) internal successors, (3514), 2358 states have internal predecessors, (3514), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3546 transitions. [2024-11-10 01:20:25,862 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3546 transitions. Word has length 720 [2024-11-10 01:20:25,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:25,863 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3546 transitions. [2024-11-10 01:20:25,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.6) internal successors, (643), 5 states have internal predecessors, (643), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:25,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3546 transitions. [2024-11-10 01:20:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2024-11-10 01:20:25,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:25,869 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:25,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 01:20:25,870 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:25,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:25,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1080738943, now seen corresponding path program 1 times [2024-11-10 01:20:25,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:25,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640831003] [2024-11-10 01:20:25,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:25,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:27,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:27,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640831003] [2024-11-10 01:20:27,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640831003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:27,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:27,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:20:27,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213026550] [2024-11-10 01:20:27,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:27,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:20:27,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:27,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:20:27,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:27,062 INFO L87 Difference]: Start difference. First operand 2376 states and 3546 transitions. Second operand has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:28,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:28,087 INFO L93 Difference]: Finished difference Result 4330 states and 6460 transitions. [2024-11-10 01:20:28,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:20:28,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 721 [2024-11-10 01:20:28,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:28,093 INFO L225 Difference]: With dead ends: 4330 [2024-11-10 01:20:28,093 INFO L226 Difference]: Without dead ends: 2376 [2024-11-10 01:20:28,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:20:28,095 INFO L432 NwaCegarLoop]: 2769 mSDtfsCounter, 6611 mSDsluCounter, 2771 mSDsCounter, 0 mSdLazyCounter, 1559 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6627 SdHoareTripleChecker+Valid, 5540 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:28,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6627 Valid, 5540 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1559 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 01:20:28,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2024-11-10 01:20:28,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2376. [2024-11-10 01:20:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2358 states have (on average 1.4898218829516539) internal successors, (3513), 2358 states have internal predecessors, (3513), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3545 transitions. [2024-11-10 01:20:28,135 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3545 transitions. Word has length 721 [2024-11-10 01:20:28,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:28,136 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3545 transitions. [2024-11-10 01:20:28,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:28,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3545 transitions. [2024-11-10 01:20:28,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2024-11-10 01:20:28,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:28,143 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:28,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 01:20:28,143 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:28,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:28,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2012430420, now seen corresponding path program 1 times [2024-11-10 01:20:28,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:28,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396791326] [2024-11-10 01:20:28,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:28,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:29,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:29,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396791326] [2024-11-10 01:20:29,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396791326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:29,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:29,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:20:29,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041736024] [2024-11-10 01:20:29,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:29,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:20:29,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:29,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:20:29,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:29,379 INFO L87 Difference]: Start difference. First operand 2376 states and 3545 transitions. Second operand has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:30,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:30,646 INFO L93 Difference]: Finished difference Result 4330 states and 6458 transitions. [2024-11-10 01:20:30,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:20:30,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 722 [2024-11-10 01:20:30,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:30,652 INFO L225 Difference]: With dead ends: 4330 [2024-11-10 01:20:30,652 INFO L226 Difference]: Without dead ends: 2376 [2024-11-10 01:20:30,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:20:30,656 INFO L432 NwaCegarLoop]: 2769 mSDtfsCounter, 3497 mSDsluCounter, 2791 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3513 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:30,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3513 Valid, 5560 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1557 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 01:20:30,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2024-11-10 01:20:30,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2376. [2024-11-10 01:20:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2358 states have (on average 1.4893977947413062) internal successors, (3512), 2358 states have internal predecessors, (3512), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:30,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3544 transitions. [2024-11-10 01:20:30,690 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3544 transitions. Word has length 722 [2024-11-10 01:20:30,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:30,691 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3544 transitions. [2024-11-10 01:20:30,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:30,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3544 transitions. [2024-11-10 01:20:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2024-11-10 01:20:30,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:30,697 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:30,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 01:20:30,698 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:30,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:30,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1308792060, now seen corresponding path program 1 times [2024-11-10 01:20:30,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:30,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619172773] [2024-11-10 01:20:30,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:30,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:31,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:31,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619172773] [2024-11-10 01:20:31,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619172773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:31,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:31,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:20:31,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419374452] [2024-11-10 01:20:31,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:31,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:20:31,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:31,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:20:31,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:31,868 INFO L87 Difference]: Start difference. First operand 2376 states and 3544 transitions. Second operand has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:32,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:20:32,907 INFO L93 Difference]: Finished difference Result 4330 states and 6456 transitions. [2024-11-10 01:20:32,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:20:32,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 723 [2024-11-10 01:20:32,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:20:32,912 INFO L225 Difference]: With dead ends: 4330 [2024-11-10 01:20:32,912 INFO L226 Difference]: Without dead ends: 2376 [2024-11-10 01:20:32,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:20:32,915 INFO L432 NwaCegarLoop]: 2768 mSDtfsCounter, 6517 mSDsluCounter, 2770 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6533 SdHoareTripleChecker+Valid, 5538 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:20:32,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6533 Valid, 5538 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1557 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 01:20:32,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2024-11-10 01:20:32,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2376. [2024-11-10 01:20:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2358 states have (on average 1.4889737065309585) internal successors, (3511), 2358 states have internal predecessors, (3511), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 01:20:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3543 transitions. [2024-11-10 01:20:32,954 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3543 transitions. Word has length 723 [2024-11-10 01:20:32,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:20:32,955 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3543 transitions. [2024-11-10 01:20:32,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 01:20:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3543 transitions. [2024-11-10 01:20:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2024-11-10 01:20:32,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:20:32,963 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:20:32,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 01:20:32,963 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:20:32,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:20:32,964 INFO L85 PathProgramCache]: Analyzing trace with hash -835205882, now seen corresponding path program 1 times [2024-11-10 01:20:32,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:20:32,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312665517] [2024-11-10 01:20:32,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:20:32,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:20:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 01:20:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 01:20:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 01:20:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 01:20:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 01:20:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 01:20:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 01:20:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 01:20:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 01:20:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 01:20:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-10 01:20:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-10 01:20:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-10 01:20:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-10 01:20:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-10 01:20:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2024-11-10 01:20:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:20:34,218 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 01:20:34,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:20:34,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312665517] [2024-11-10 01:20:34,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312665517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:20:34,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:20:34,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:20:34,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905627359] [2024-11-10 01:20:34,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:20:34,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:20:34,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:20:34,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:20:34,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:20:34,226 INFO L87 Difference]: Start difference. First operand 2376 states and 3543 transitions. Second operand has 5 states, 5 states have (on average 129.4) internal successors, (647), 5 states have internal predecessors, (647), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)