./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d16_e0.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 893891534ef912417047ee29382e9a38873f3028656bf3329b1f530cde6080e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 05:18:28,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 05:18:28,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 05:18:28,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 05:18:28,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 05:18:28,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 05:18:28,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 05:18:28,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 05:18:28,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 05:18:28,312 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 05:18:28,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 05:18:28,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 05:18:28,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 05:18:28,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 05:18:28,313 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 05:18:28,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 05:18:28,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 05:18:28,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 05:18:28,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 05:18:28,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 05:18:28,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 05:18:28,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 05:18:28,316 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 05:18:28,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 05:18:28,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 05:18:28,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 05:18:28,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 05:18:28,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 05:18:28,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 05:18:28,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 05:18:28,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 05:18:28,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 05:18:28,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 05:18:28,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 05:18:28,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 05:18:28,318 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 05:18:28,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 05:18:28,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 05:18:28,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 05:18:28,319 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 893891534ef912417047ee29382e9a38873f3028656bf3329b1f530cde6080e5 [2024-10-11 05:18:28,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 05:18:28,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 05:18:28,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 05:18:28,538 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 05:18:28,538 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 05:18:28,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d16_e0.c [2024-10-11 05:18:29,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 05:18:30,007 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 05:18:30,008 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d16_e0.c [2024-10-11 05:18:30,035 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5e2618bc5/ecabf5fac96e4570bc5d8594051f638b/FLAG36418da58 [2024-10-11 05:18:30,049 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5e2618bc5/ecabf5fac96e4570bc5d8594051f638b [2024-10-11 05:18:30,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 05:18:30,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 05:18:30,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 05:18:30,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 05:18:30,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 05:18:30,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:30,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b62ca0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30, skipping insertion in model container [2024-10-11 05:18:30,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:30,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 05:18:30,277 WARN L248 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_n2_w8_d16_e0.c[1270,1283] [2024-10-11 05:18:30,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 05:18:30,559 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 05:18:30,568 WARN L248 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_n2_w8_d16_e0.c[1270,1283] [2024-10-11 05:18:30,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 05:18:30,746 INFO L204 MainTranslator]: Completed translation [2024-10-11 05:18:30,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30 WrapperNode [2024-10-11 05:18:30,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 05:18:30,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 05:18:30,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 05:18:30,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 05:18:30,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:30,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:31,101 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3623 [2024-10-11 05:18:31,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 05:18:31,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 05:18:31,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 05:18:31,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 05:18:31,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:31,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:31,243 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:31,323 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]. [2024-10-11 05:18:31,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:31,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:31,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:31,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:31,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:31,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:31,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 05:18:31,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 05:18:31,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 05:18:31,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 05:18:31,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (1/1) ... [2024-10-11 05:18:31,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 05:18:31,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 05:18:31,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 05:18:31,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 05:18:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 05:18:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 05:18:31,642 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 05:18:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 05:18:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 05:18:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 05:18:31,883 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 05:18:31,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 05:18:34,466 INFO L? ?]: Removed 2044 outVars from TransFormulas that were not future-live. [2024-10-11 05:18:34,467 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 05:18:34,529 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 05:18:34,530 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 05:18:34,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:18:34 BoogieIcfgContainer [2024-10-11 05:18:34,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 05:18:34,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 05:18:34,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 05:18:34,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 05:18:34,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:18:30" (1/3) ... [2024-10-11 05:18:34,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2dd7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:18:34, skipping insertion in model container [2024-10-11 05:18:34,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:18:30" (2/3) ... [2024-10-11 05:18:34,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2dd7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:18:34, skipping insertion in model container [2024-10-11 05:18:34,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:18:34" (3/3) ... [2024-10-11 05:18:34,536 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w8_d16_e0.c [2024-10-11 05:18:34,548 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 05:18:34,548 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 05:18:34,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 05:18:34,630 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;@4b0cd926, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 05:18:34,630 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 05:18:34,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 1029 states, 1019 states have (on average 1.4965652600588812) internal successors, (1525), 1020 states have internal predecessors, (1525), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-10-11 05:18:34,658 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:34,662 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:34,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:34,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:34,666 INFO L85 PathProgramCache]: Analyzing trace with hash 932535165, now seen corresponding path program 1 times [2024-10-11 05:18:34,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:34,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829271989] [2024-10-11 05:18:34,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:34,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:35,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:35,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:35,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:35,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:35,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:35,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:35,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829271989] [2024-10-11 05:18:35,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829271989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:35,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:35,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 05:18:35,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308814831] [2024-10-11 05:18:35,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:35,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 05:18:35,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:35,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 05:18:35,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 05:18:35,245 INFO L87 Difference]: Start difference. First operand has 1029 states, 1019 states have (on average 1.4965652600588812) internal successors, (1525), 1020 states have internal predecessors, (1525), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 139.0) internal successors, (278), 2 states have internal predecessors, (278), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 05:18:35,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:35,330 INFO L93 Difference]: Finished difference Result 1876 states and 2814 transitions. [2024-10-11 05:18:35,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 05:18:35,332 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 139.0) internal successors, (278), 2 states have internal predecessors, (278), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 310 [2024-10-11 05:18:35,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:35,351 INFO L225 Difference]: With dead ends: 1876 [2024-10-11 05:18:35,351 INFO L226 Difference]: Without dead ends: 1028 [2024-10-11 05:18:35,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 05:18:35,362 INFO L432 NwaCegarLoop]: 1535 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:35,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1535 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 05:18:35,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-10-11 05:18:35,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1028. [2024-10-11 05:18:35,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 1019 states have (on average 1.493621197252208) internal successors, (1522), 1019 states have internal predecessors, (1522), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:35,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1536 transitions. [2024-10-11 05:18:35,441 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1536 transitions. Word has length 310 [2024-10-11 05:18:35,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:35,441 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1536 transitions. [2024-10-11 05:18:35,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 139.0) internal successors, (278), 2 states have internal predecessors, (278), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 05:18:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1536 transitions. [2024-10-11 05:18:35,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-10-11 05:18:35,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:35,449 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:35,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 05:18:35,449 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:35,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:35,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1360533969, now seen corresponding path program 1 times [2024-10-11 05:18:35,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:35,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502644769] [2024-10-11 05:18:35,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:35,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:36,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:36,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:36,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:36,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:36,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:36,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:36,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:36,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:36,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502644769] [2024-10-11 05:18:36,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502644769] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:36,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:36,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:18:36,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442200352] [2024-10-11 05:18:36,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:36,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:18:36,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:36,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:18:36,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:18:36,825 INFO L87 Difference]: Start difference. First operand 1028 states and 1536 transitions. Second operand has 4 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:36,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:36,867 INFO L93 Difference]: Finished difference Result 1032 states and 1540 transitions. [2024-10-11 05:18:36,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:36,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 310 [2024-10-11 05:18:36,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:36,874 INFO L225 Difference]: With dead ends: 1032 [2024-10-11 05:18:36,874 INFO L226 Difference]: Without dead ends: 1030 [2024-10-11 05:18:36,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:18:36,878 INFO L432 NwaCegarLoop]: 1533 mSDtfsCounter, 0 mSDsluCounter, 3061 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4594 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:36,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4594 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 05:18:36,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2024-10-11 05:18:36,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1030. [2024-10-11 05:18:36,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 1021 states have (on average 1.4926542605288933) internal successors, (1524), 1021 states have internal predecessors, (1524), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:36,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1538 transitions. [2024-10-11 05:18:36,903 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1538 transitions. Word has length 310 [2024-10-11 05:18:36,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:36,905 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1538 transitions. [2024-10-11 05:18:36,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:36,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1538 transitions. [2024-10-11 05:18:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-10-11 05:18:36,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:36,909 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:36,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 05:18:36,909 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:36,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:36,911 INFO L85 PathProgramCache]: Analyzing trace with hash 774816804, now seen corresponding path program 1 times [2024-10-11 05:18:36,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:36,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157792059] [2024-10-11 05:18:36,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:36,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:37,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:37,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:37,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:37,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:37,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:37,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:37,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:37,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:37,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157792059] [2024-10-11 05:18:37,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157792059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:37,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:37,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:37,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253267468] [2024-10-11 05:18:37,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:37,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:37,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:37,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:37,670 INFO L87 Difference]: Start difference. First operand 1030 states and 1538 transitions. Second operand has 5 states, 5 states have (on average 55.8) internal successors, (279), 5 states have internal predecessors, (279), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:38,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:38,365 INFO L93 Difference]: Finished difference Result 2574 states and 3846 transitions. [2024-10-11 05:18:38,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 05:18:38,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 55.8) internal successors, (279), 5 states have internal predecessors, (279), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 311 [2024-10-11 05:18:38,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:38,370 INFO L225 Difference]: With dead ends: 2574 [2024-10-11 05:18:38,370 INFO L226 Difference]: Without dead ends: 1030 [2024-10-11 05:18:38,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 05:18:38,372 INFO L432 NwaCegarLoop]: 1615 mSDtfsCounter, 2992 mSDsluCounter, 2779 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2992 SdHoareTripleChecker+Valid, 4394 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:38,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2992 Valid, 4394 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 05:18:38,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2024-10-11 05:18:38,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1030. [2024-10-11 05:18:38,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 1021 states have (on average 1.4916748285994124) internal successors, (1523), 1021 states have internal predecessors, (1523), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:38,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1537 transitions. [2024-10-11 05:18:38,391 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1537 transitions. Word has length 311 [2024-10-11 05:18:38,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:38,392 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1537 transitions. [2024-10-11 05:18:38,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.8) internal successors, (279), 5 states have internal predecessors, (279), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:38,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1537 transitions. [2024-10-11 05:18:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-10-11 05:18:38,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:38,395 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:38,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 05:18:38,396 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:38,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:38,396 INFO L85 PathProgramCache]: Analyzing trace with hash -541198248, now seen corresponding path program 1 times [2024-10-11 05:18:38,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:38,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175070497] [2024-10-11 05:18:38,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:38,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:38,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:38,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:38,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:38,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:38,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:39,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:39,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:39,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175070497] [2024-10-11 05:18:39,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175070497] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:39,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:39,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:39,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874039483] [2024-10-11 05:18:39,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:39,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:39,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:39,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:39,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:39,008 INFO L87 Difference]: Start difference. First operand 1030 states and 1537 transitions. Second operand has 5 states, 5 states have (on average 56.0) internal successors, (280), 5 states have internal predecessors, (280), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:39,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:39,575 INFO L93 Difference]: Finished difference Result 1879 states and 2803 transitions. [2024-10-11 05:18:39,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:39,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 56.0) internal successors, (280), 5 states have internal predecessors, (280), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 312 [2024-10-11 05:18:39,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:39,579 INFO L225 Difference]: With dead ends: 1879 [2024-10-11 05:18:39,579 INFO L226 Difference]: Without dead ends: 1030 [2024-10-11 05:18:39,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:39,581 INFO L432 NwaCegarLoop]: 1141 mSDtfsCounter, 1472 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 2294 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:39,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 2294 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 05:18:39,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2024-10-11 05:18:39,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1030. [2024-10-11 05:18:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 1021 states have (on average 1.4906953966699314) internal successors, (1522), 1021 states have internal predecessors, (1522), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:39,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1536 transitions. [2024-10-11 05:18:39,599 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1536 transitions. Word has length 312 [2024-10-11 05:18:39,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:39,599 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1536 transitions. [2024-10-11 05:18:39,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.0) internal successors, (280), 5 states have internal predecessors, (280), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1536 transitions. [2024-10-11 05:18:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-10-11 05:18:39,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:39,601 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:39,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 05:18:39,602 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:39,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:39,602 INFO L85 PathProgramCache]: Analyzing trace with hash -2022727195, now seen corresponding path program 1 times [2024-10-11 05:18:39,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:39,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369407481] [2024-10-11 05:18:39,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:39,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:40,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:40,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:40,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:40,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:40,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:40,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:40,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:40,256 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:40,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:40,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369407481] [2024-10-11 05:18:40,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369407481] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:40,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:40,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:18:40,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215568372] [2024-10-11 05:18:40,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:40,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:18:40,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:40,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:18:40,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:18:40,260 INFO L87 Difference]: Start difference. First operand 1030 states and 1536 transitions. Second operand has 4 states, 4 states have (on average 70.25) internal successors, (281), 4 states have internal predecessors, (281), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:40,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:40,310 INFO L93 Difference]: Finished difference Result 1881 states and 2804 transitions. [2024-10-11 05:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:40,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.25) internal successors, (281), 4 states have internal predecessors, (281), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 313 [2024-10-11 05:18:40,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:40,314 INFO L225 Difference]: With dead ends: 1881 [2024-10-11 05:18:40,314 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:40,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:18:40,317 INFO L432 NwaCegarLoop]: 1531 mSDtfsCounter, 0 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4585 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:40,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4585 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 05:18:40,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:40,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.4897360703812317) internal successors, (1524), 1023 states have internal predecessors, (1524), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1538 transitions. [2024-10-11 05:18:40,349 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1538 transitions. Word has length 313 [2024-10-11 05:18:40,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:40,350 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1538 transitions. [2024-10-11 05:18:40,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.25) internal successors, (281), 4 states have internal predecessors, (281), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1538 transitions. [2024-10-11 05:18:40,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-10-11 05:18:40,353 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:40,353 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:40,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 05:18:40,353 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:40,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:40,354 INFO L85 PathProgramCache]: Analyzing trace with hash 622002183, now seen corresponding path program 1 times [2024-10-11 05:18:40,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:40,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818133567] [2024-10-11 05:18:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,279 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:41,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:41,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818133567] [2024-10-11 05:18:41,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818133567] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:41,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:41,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:18:41,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372942526] [2024-10-11 05:18:41,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:41,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:18:41,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:41,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:18:41,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:18:41,282 INFO L87 Difference]: Start difference. First operand 1032 states and 1538 transitions. Second operand has 4 states, 4 states have (on average 70.5) internal successors, (282), 4 states have internal predecessors, (282), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:41,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:41,397 INFO L93 Difference]: Finished difference Result 1883 states and 2805 transitions. [2024-10-11 05:18:41,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:41,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 4 states have internal predecessors, (282), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 314 [2024-10-11 05:18:41,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:41,401 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 05:18:41,401 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:41,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:41,403 INFO L432 NwaCegarLoop]: 1479 mSDtfsCounter, 1295 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 2960 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:41,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 2960 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:41,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:41,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:41,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.487781036168133) internal successors, (1522), 1023 states have internal predecessors, (1522), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:41,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1536 transitions. [2024-10-11 05:18:41,422 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1536 transitions. Word has length 314 [2024-10-11 05:18:41,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:41,423 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1536 transitions. [2024-10-11 05:18:41,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 4 states have internal predecessors, (282), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1536 transitions. [2024-10-11 05:18:41,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-10-11 05:18:41,425 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:41,426 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:41,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 05:18:41,426 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:41,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:41,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1952845468, now seen corresponding path program 1 times [2024-10-11 05:18:41,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:41,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663774129] [2024-10-11 05:18:41,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:41,944 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:41,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:41,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663774129] [2024-10-11 05:18:41,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663774129] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:41,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:41,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:41,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584475144] [2024-10-11 05:18:41,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:41,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:41,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:41,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:41,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:41,947 INFO L87 Difference]: Start difference. First operand 1032 states and 1536 transitions. Second operand has 5 states, 5 states have (on average 56.8) internal successors, (284), 5 states have internal predecessors, (284), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:42,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:42,049 INFO L93 Difference]: Finished difference Result 1969 states and 2928 transitions. [2024-10-11 05:18:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 05:18:42,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 56.8) internal successors, (284), 5 states have internal predecessors, (284), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 316 [2024-10-11 05:18:42,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:42,053 INFO L225 Difference]: With dead ends: 1969 [2024-10-11 05:18:42,053 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:42,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 05:18:42,055 INFO L432 NwaCegarLoop]: 1520 mSDtfsCounter, 1544 mSDsluCounter, 3008 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 4528 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:42,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 4528 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:42,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:42,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.4868035190615836) internal successors, (1521), 1023 states have internal predecessors, (1521), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:42,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1535 transitions. [2024-10-11 05:18:42,071 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1535 transitions. Word has length 316 [2024-10-11 05:18:42,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:42,071 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1535 transitions. [2024-10-11 05:18:42,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.8) internal successors, (284), 5 states have internal predecessors, (284), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:42,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1535 transitions. [2024-10-11 05:18:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-10-11 05:18:42,073 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:42,073 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:42,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 05:18:42,073 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:42,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:42,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2069871959, now seen corresponding path program 1 times [2024-10-11 05:18:42,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:42,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059114087] [2024-10-11 05:18:42,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:42,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:42,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:42,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:42,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:42,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:42,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:42,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:42,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:42,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:42,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059114087] [2024-10-11 05:18:42,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059114087] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:42,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:42,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:42,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875307312] [2024-10-11 05:18:42,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:42,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:42,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:42,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:42,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:42,599 INFO L87 Difference]: Start difference. First operand 1032 states and 1535 transitions. Second operand has 5 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:42,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:42,711 INFO L93 Difference]: Finished difference Result 1883 states and 2799 transitions. [2024-10-11 05:18:42,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:42,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 317 [2024-10-11 05:18:42,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:42,715 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 05:18:42,715 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:42,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:42,717 INFO L432 NwaCegarLoop]: 1479 mSDtfsCounter, 2847 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2854 SdHoareTripleChecker+Valid, 2960 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:42,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2854 Valid, 2960 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:42,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:42,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.4858260019550342) internal successors, (1520), 1023 states have internal predecessors, (1520), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1534 transitions. [2024-10-11 05:18:42,735 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1534 transitions. Word has length 317 [2024-10-11 05:18:42,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:42,735 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1534 transitions. [2024-10-11 05:18:42,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:42,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1534 transitions. [2024-10-11 05:18:42,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-10-11 05:18:42,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:42,737 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:42,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 05:18:42,738 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:42,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:42,738 INFO L85 PathProgramCache]: Analyzing trace with hash -618287829, now seen corresponding path program 1 times [2024-10-11 05:18:42,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:42,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051386545] [2024-10-11 05:18:42,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:42,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:43,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:43,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051386545] [2024-10-11 05:18:43,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051386545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:43,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:43,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:43,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624074311] [2024-10-11 05:18:43,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:43,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:43,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:43,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:43,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:43,218 INFO L87 Difference]: Start difference. First operand 1032 states and 1534 transitions. Second operand has 5 states, 5 states have (on average 57.2) internal successors, (286), 5 states have internal predecessors, (286), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:43,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:43,329 INFO L93 Difference]: Finished difference Result 1883 states and 2797 transitions. [2024-10-11 05:18:43,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:43,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 57.2) internal successors, (286), 5 states have internal predecessors, (286), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 318 [2024-10-11 05:18:43,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:43,333 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 05:18:43,333 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:43,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:43,335 INFO L432 NwaCegarLoop]: 1479 mSDtfsCounter, 2745 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2752 SdHoareTripleChecker+Valid, 2960 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:43,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2752 Valid, 2960 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:43,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:43,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:43,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.4848484848484849) internal successors, (1519), 1023 states have internal predecessors, (1519), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:43,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1533 transitions. [2024-10-11 05:18:43,352 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1533 transitions. Word has length 318 [2024-10-11 05:18:43,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:43,352 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1533 transitions. [2024-10-11 05:18:43,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 57.2) internal successors, (286), 5 states have internal predecessors, (286), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1533 transitions. [2024-10-11 05:18:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-10-11 05:18:43,355 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:43,355 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:43,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 05:18:43,355 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:43,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:43,355 INFO L85 PathProgramCache]: Analyzing trace with hash 545507042, now seen corresponding path program 1 times [2024-10-11 05:18:43,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:43,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822853549] [2024-10-11 05:18:43,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:43,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:43,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:43,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822853549] [2024-10-11 05:18:43,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822853549] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:43,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:43,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:18:43,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84351617] [2024-10-11 05:18:43,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:43,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:18:43,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:43,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:18:43,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:18:43,995 INFO L87 Difference]: Start difference. First operand 1032 states and 1533 transitions. Second operand has 4 states, 4 states have (on average 71.75) internal successors, (287), 4 states have internal predecessors, (287), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:44,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:44,158 INFO L93 Difference]: Finished difference Result 1883 states and 2795 transitions. [2024-10-11 05:18:44,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:44,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 4 states have internal predecessors, (287), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 319 [2024-10-11 05:18:44,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:44,162 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 05:18:44,162 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:44,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:44,163 INFO L432 NwaCegarLoop]: 1434 mSDtfsCounter, 1282 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1282 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:44,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1282 Valid, 2870 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:44,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:44,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:44,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.4838709677419355) internal successors, (1518), 1023 states have internal predecessors, (1518), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:44,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1532 transitions. [2024-10-11 05:18:44,178 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1532 transitions. Word has length 319 [2024-10-11 05:18:44,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:44,179 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1532 transitions. [2024-10-11 05:18:44,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 4 states have internal predecessors, (287), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:44,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1532 transitions. [2024-10-11 05:18:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-10-11 05:18:44,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:44,181 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:44,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 05:18:44,181 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:44,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:44,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1579822596, now seen corresponding path program 1 times [2024-10-11 05:18:44,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:44,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263786595] [2024-10-11 05:18:44,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:44,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:44,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:44,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:44,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:44,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:44,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:44,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:44,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:44,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:44,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263786595] [2024-10-11 05:18:44,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263786595] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:44,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:44,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:44,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635929102] [2024-10-11 05:18:44,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:44,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:44,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:44,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:44,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:44,632 INFO L87 Difference]: Start difference. First operand 1032 states and 1532 transitions. Second operand has 5 states, 5 states have (on average 57.6) internal successors, (288), 5 states have internal predecessors, (288), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:44,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:44,828 INFO L93 Difference]: Finished difference Result 1965 states and 2911 transitions. [2024-10-11 05:18:44,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 05:18:44,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 57.6) internal successors, (288), 5 states have internal predecessors, (288), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 320 [2024-10-11 05:18:44,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:44,832 INFO L225 Difference]: With dead ends: 1965 [2024-10-11 05:18:44,832 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:44,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 05:18:44,833 INFO L432 NwaCegarLoop]: 1514 mSDtfsCounter, 1509 mSDsluCounter, 2957 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 4471 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:44,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 4471 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:44,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:44,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:44,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.4828934506353861) internal successors, (1517), 1023 states have internal predecessors, (1517), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:44,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1531 transitions. [2024-10-11 05:18:44,852 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1531 transitions. Word has length 320 [2024-10-11 05:18:44,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:44,852 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1531 transitions. [2024-10-11 05:18:44,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 57.6) internal successors, (288), 5 states have internal predecessors, (288), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1531 transitions. [2024-10-11 05:18:44,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-11 05:18:44,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:44,855 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:44,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 05:18:44,855 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:44,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:44,855 INFO L85 PathProgramCache]: Analyzing trace with hash -266568937, now seen corresponding path program 1 times [2024-10-11 05:18:44,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:44,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884310854] [2024-10-11 05:18:44,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:44,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:45,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:45,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884310854] [2024-10-11 05:18:45,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884310854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:45,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:45,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:45,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55052025] [2024-10-11 05:18:45,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:45,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:45,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:45,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:45,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:45,389 INFO L87 Difference]: Start difference. First operand 1032 states and 1531 transitions. Second operand has 5 states, 5 states have (on average 57.8) internal successors, (289), 5 states have internal predecessors, (289), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:45,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:45,564 INFO L93 Difference]: Finished difference Result 1883 states and 2791 transitions. [2024-10-11 05:18:45,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:45,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 57.8) internal successors, (289), 5 states have internal predecessors, (289), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 321 [2024-10-11 05:18:45,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:45,568 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 05:18:45,568 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:45,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:45,569 INFO L432 NwaCegarLoop]: 1434 mSDtfsCounter, 1508 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 2880 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:45,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 2880 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:45,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:45,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.4819159335288368) internal successors, (1516), 1023 states have internal predecessors, (1516), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1530 transitions. [2024-10-11 05:18:45,586 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1530 transitions. Word has length 321 [2024-10-11 05:18:45,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:45,586 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1530 transitions. [2024-10-11 05:18:45,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 57.8) internal successors, (289), 5 states have internal predecessors, (289), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:45,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1530 transitions. [2024-10-11 05:18:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-10-11 05:18:45,588 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:45,588 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:45,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 05:18:45,588 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:45,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:45,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1102330763, now seen corresponding path program 1 times [2024-10-11 05:18:45,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:45,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848439019] [2024-10-11 05:18:45,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:45,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:45,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:46,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:46,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:46,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848439019] [2024-10-11 05:18:46,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848439019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:46,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:46,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:46,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594353151] [2024-10-11 05:18:46,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:46,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:46,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:46,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:46,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:46,010 INFO L87 Difference]: Start difference. First operand 1032 states and 1530 transitions. Second operand has 5 states, 5 states have (on average 58.0) internal successors, (290), 5 states have internal predecessors, (290), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:46,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:46,186 INFO L93 Difference]: Finished difference Result 1883 states and 2789 transitions. [2024-10-11 05:18:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:46,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 58.0) internal successors, (290), 5 states have internal predecessors, (290), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 322 [2024-10-11 05:18:46,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:46,191 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 05:18:46,191 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:46,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:46,193 INFO L432 NwaCegarLoop]: 1434 mSDtfsCounter, 2825 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:46,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 2870 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:46,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:46,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:46,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.4809384164222874) internal successors, (1515), 1023 states have internal predecessors, (1515), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:46,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1529 transitions. [2024-10-11 05:18:46,214 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1529 transitions. Word has length 322 [2024-10-11 05:18:46,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:46,215 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1529 transitions. [2024-10-11 05:18:46,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.0) internal successors, (290), 5 states have internal predecessors, (290), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:46,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1529 transitions. [2024-10-11 05:18:46,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-11 05:18:46,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:46,217 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:46,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 05:18:46,218 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:46,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:46,218 INFO L85 PathProgramCache]: Analyzing trace with hash -2081189250, now seen corresponding path program 1 times [2024-10-11 05:18:46,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:46,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132451376] [2024-10-11 05:18:46,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:46,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:46,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:46,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:46,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:46,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:46,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:46,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:46,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:46,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:46,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132451376] [2024-10-11 05:18:46,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132451376] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:46,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:46,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:46,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965209443] [2024-10-11 05:18:46,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:46,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:46,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:46,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:46,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:46,730 INFO L87 Difference]: Start difference. First operand 1032 states and 1529 transitions. Second operand has 5 states, 5 states have (on average 58.2) internal successors, (291), 5 states have internal predecessors, (291), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:46,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:46,890 INFO L93 Difference]: Finished difference Result 1883 states and 2787 transitions. [2024-10-11 05:18:46,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:46,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 58.2) internal successors, (291), 5 states have internal predecessors, (291), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 323 [2024-10-11 05:18:46,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:46,893 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 05:18:46,894 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:46,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:46,895 INFO L432 NwaCegarLoop]: 1434 mSDtfsCounter, 2817 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2824 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:46,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2824 Valid, 2870 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:46,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:46,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.479960899315738) internal successors, (1514), 1023 states have internal predecessors, (1514), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1528 transitions. [2024-10-11 05:18:46,910 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1528 transitions. Word has length 323 [2024-10-11 05:18:46,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:46,911 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1528 transitions. [2024-10-11 05:18:46,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.2) internal successors, (291), 5 states have internal predecessors, (291), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1528 transitions. [2024-10-11 05:18:46,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-10-11 05:18:46,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:46,914 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:46,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 05:18:46,914 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:46,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:46,914 INFO L85 PathProgramCache]: Analyzing trace with hash -2069286766, now seen corresponding path program 1 times [2024-10-11 05:18:46,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:46,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515166139] [2024-10-11 05:18:46,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:46,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:47,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:47,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515166139] [2024-10-11 05:18:47,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515166139] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:47,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:47,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:47,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813637633] [2024-10-11 05:18:47,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:47,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:47,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:47,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:47,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:47,340 INFO L87 Difference]: Start difference. First operand 1032 states and 1528 transitions. Second operand has 5 states, 5 states have (on average 58.4) internal successors, (292), 5 states have internal predecessors, (292), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:47,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:47,497 INFO L93 Difference]: Finished difference Result 1883 states and 2785 transitions. [2024-10-11 05:18:47,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:47,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 58.4) internal successors, (292), 5 states have internal predecessors, (292), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 324 [2024-10-11 05:18:47,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:47,500 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 05:18:47,501 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:47,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:47,502 INFO L432 NwaCegarLoop]: 1434 mSDtfsCounter, 2719 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:47,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 2870 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:47,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:47,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:47,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.4789833822091887) internal successors, (1513), 1023 states have internal predecessors, (1513), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1527 transitions. [2024-10-11 05:18:47,515 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1527 transitions. Word has length 324 [2024-10-11 05:18:47,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:47,516 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1527 transitions. [2024-10-11 05:18:47,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.4) internal successors, (292), 5 states have internal predecessors, (292), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:47,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1527 transitions. [2024-10-11 05:18:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-10-11 05:18:47,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:47,517 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:47,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 05:18:47,518 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:47,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:47,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1400860301, now seen corresponding path program 1 times [2024-10-11 05:18:47,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:47,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173592194] [2024-10-11 05:18:47,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:47,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:47,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:47,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173592194] [2024-10-11 05:18:47,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173592194] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:47,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:47,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:47,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113026726] [2024-10-11 05:18:47,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:47,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:47,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:47,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:47,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:47,962 INFO L87 Difference]: Start difference. First operand 1032 states and 1527 transitions. Second operand has 5 states, 5 states have (on average 58.6) internal successors, (293), 5 states have internal predecessors, (293), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:48,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:48,118 INFO L93 Difference]: Finished difference Result 1883 states and 2783 transitions. [2024-10-11 05:18:48,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:48,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 58.6) internal successors, (293), 5 states have internal predecessors, (293), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 325 [2024-10-11 05:18:48,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:48,122 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 05:18:48,122 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:48,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:48,123 INFO L432 NwaCegarLoop]: 1434 mSDtfsCounter, 1447 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 2880 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:48,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 2880 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:48,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:48,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.4780058651026393) internal successors, (1512), 1023 states have internal predecessors, (1512), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:48,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1526 transitions. [2024-10-11 05:18:48,137 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1526 transitions. Word has length 325 [2024-10-11 05:18:48,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:48,138 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1526 transitions. [2024-10-11 05:18:48,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.6) internal successors, (293), 5 states have internal predecessors, (293), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1526 transitions. [2024-10-11 05:18:48,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-10-11 05:18:48,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:48,140 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:48,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 05:18:48,140 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:48,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:48,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1353703829, now seen corresponding path program 1 times [2024-10-11 05:18:48,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:48,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647558183] [2024-10-11 05:18:48,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:48,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:48,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:48,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:48,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:48,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:48,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:48,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:48,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:48,562 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:48,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:48,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647558183] [2024-10-11 05:18:48,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647558183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:48,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:48,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:48,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540009965] [2024-10-11 05:18:48,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:48,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:48,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:48,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:48,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:48,564 INFO L87 Difference]: Start difference. First operand 1032 states and 1526 transitions. Second operand has 5 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:48,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:48,716 INFO L93 Difference]: Finished difference Result 1883 states and 2781 transitions. [2024-10-11 05:18:48,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:48,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 326 [2024-10-11 05:18:48,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:48,719 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 05:18:48,719 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:48,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:48,721 INFO L432 NwaCegarLoop]: 1434 mSDtfsCounter, 1443 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 2880 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:48,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1450 Valid, 2880 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:48,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:48,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.47702834799609) internal successors, (1511), 1023 states have internal predecessors, (1511), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1525 transitions. [2024-10-11 05:18:48,735 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1525 transitions. Word has length 326 [2024-10-11 05:18:48,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:48,736 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1525 transitions. [2024-10-11 05:18:48,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1525 transitions. [2024-10-11 05:18:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-10-11 05:18:48,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:48,737 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:48,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 05:18:48,739 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:48,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:48,740 INFO L85 PathProgramCache]: Analyzing trace with hash -634395898, now seen corresponding path program 1 times [2024-10-11 05:18:48,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:48,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722935661] [2024-10-11 05:18:48,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:48,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:49,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:49,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:49,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 05:18:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:49,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 05:18:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:49,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 05:18:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:49,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 05:18:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:49,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:18:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:49,487 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:49,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:49,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722935661] [2024-10-11 05:18:49,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722935661] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:49,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:49,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:18:49,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479529871] [2024-10-11 05:18:49,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:49,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:18:49,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:49,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:18:49,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:18:49,489 INFO L87 Difference]: Start difference. First operand 1032 states and 1525 transitions. Second operand has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 05:18:49,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:49,876 INFO L93 Difference]: Finished difference Result 1983 states and 2928 transitions. [2024-10-11 05:18:49,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:49,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 327 [2024-10-11 05:18:49,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:49,879 INFO L225 Difference]: With dead ends: 1983 [2024-10-11 05:18:49,879 INFO L226 Difference]: Without dead ends: 1032 [2024-10-11 05:18:49,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:18:49,881 INFO L432 NwaCegarLoop]: 1516 mSDtfsCounter, 70 mSDsluCounter, 2657 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 4173 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:49,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 4173 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 05:18:49,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-11 05:18:49,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2024-10-11 05:18:49,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.4760508308895406) internal successors, (1510), 1023 states have internal predecessors, (1510), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1524 transitions. [2024-10-11 05:18:49,896 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1524 transitions. Word has length 327 [2024-10-11 05:18:49,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:49,897 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1524 transitions. [2024-10-11 05:18:49,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 05:18:49,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1524 transitions. [2024-10-11 05:18:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-11 05:18:49,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:49,898 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:49,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 05:18:49,899 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:49,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:49,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1894765768, now seen corresponding path program 1 times [2024-10-11 05:18:49,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:49,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886834510] [2024-10-11 05:18:49,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:49,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:51,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:51,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:51,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:18:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:51,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 05:18:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:51,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 05:18:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:51,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 05:18:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:51,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 05:18:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:51,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:51,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886834510] [2024-10-11 05:18:51,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886834510] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:51,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:51,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:51,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937131702] [2024-10-11 05:18:51,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:51,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:51,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:51,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:51,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:51,138 INFO L87 Difference]: Start difference. First operand 1032 states and 1524 transitions. Second operand has 5 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 05:18:51,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:51,760 INFO L93 Difference]: Finished difference Result 1887 states and 2783 transitions. [2024-10-11 05:18:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 05:18:51,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 328 [2024-10-11 05:18:51,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:51,764 INFO L225 Difference]: With dead ends: 1887 [2024-10-11 05:18:51,764 INFO L226 Difference]: Without dead ends: 1036 [2024-10-11 05:18:51,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:51,766 INFO L432 NwaCegarLoop]: 1141 mSDtfsCounter, 1449 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 3393 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:51,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1451 Valid, 3393 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 05:18:51,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-10-11 05:18:51,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1034. [2024-10-11 05:18:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1025 states have (on average 1.4751219512195122) internal successors, (1512), 1025 states have internal predecessors, (1512), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1526 transitions. [2024-10-11 05:18:51,783 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1526 transitions. Word has length 328 [2024-10-11 05:18:51,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:51,783 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1526 transitions. [2024-10-11 05:18:51,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 05:18:51,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1526 transitions. [2024-10-11 05:18:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-10-11 05:18:51,786 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:51,786 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:51,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 05:18:51,786 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:51,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:51,787 INFO L85 PathProgramCache]: Analyzing trace with hash -143630879, now seen corresponding path program 1 times [2024-10-11 05:18:51,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:51,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647056221] [2024-10-11 05:18:51,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:51,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:52,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:52,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:52,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:18:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:52,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 05:18:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:52,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 05:18:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:52,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 05:18:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:52,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 05:18:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:52,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:52,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647056221] [2024-10-11 05:18:52,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647056221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:52,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:52,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:52,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478590376] [2024-10-11 05:18:52,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:52,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:52,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:52,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:52,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:52,612 INFO L87 Difference]: Start difference. First operand 1034 states and 1526 transitions. Second operand has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:52,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:52,794 INFO L93 Difference]: Finished difference Result 1887 states and 2781 transitions. [2024-10-11 05:18:52,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:52,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 329 [2024-10-11 05:18:52,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:52,798 INFO L225 Difference]: With dead ends: 1887 [2024-10-11 05:18:52,798 INFO L226 Difference]: Without dead ends: 1034 [2024-10-11 05:18:52,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:52,799 INFO L432 NwaCegarLoop]: 1433 mSDtfsCounter, 1321 mSDsluCounter, 2860 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 4293 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:52,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 4293 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 05:18:52,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-10-11 05:18:52,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2024-10-11 05:18:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1025 states have (on average 1.4741463414634146) internal successors, (1511), 1025 states have internal predecessors, (1511), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1525 transitions. [2024-10-11 05:18:52,811 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1525 transitions. Word has length 329 [2024-10-11 05:18:52,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:52,812 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1525 transitions. [2024-10-11 05:18:52,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:52,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1525 transitions. [2024-10-11 05:18:52,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-10-11 05:18:52,813 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:52,813 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:52,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 05:18:52,814 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:52,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:52,814 INFO L85 PathProgramCache]: Analyzing trace with hash 841407131, now seen corresponding path program 1 times [2024-10-11 05:18:52,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:52,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116638589] [2024-10-11 05:18:52,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:52,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:53,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:53,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:53,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:18:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:53,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 05:18:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:53,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 05:18:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:53,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 05:18:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:53,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 05:18:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:53,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:53,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116638589] [2024-10-11 05:18:53,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116638589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:53,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:53,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:53,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328047636] [2024-10-11 05:18:53,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:53,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:53,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:53,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:53,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:53,467 INFO L87 Difference]: Start difference. First operand 1034 states and 1525 transitions. Second operand has 5 states, 5 states have (on average 59.6) internal successors, (298), 5 states have internal predecessors, (298), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:53,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:53,636 INFO L93 Difference]: Finished difference Result 1887 states and 2779 transitions. [2024-10-11 05:18:53,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:53,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.6) internal successors, (298), 5 states have internal predecessors, (298), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 330 [2024-10-11 05:18:53,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:53,640 INFO L225 Difference]: With dead ends: 1887 [2024-10-11 05:18:53,640 INFO L226 Difference]: Without dead ends: 1034 [2024-10-11 05:18:53,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:53,642 INFO L432 NwaCegarLoop]: 1433 mSDtfsCounter, 1318 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 2878 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:53,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 2878 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:53,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-10-11 05:18:53,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2024-10-11 05:18:53,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1025 states have (on average 1.473170731707317) internal successors, (1510), 1025 states have internal predecessors, (1510), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1524 transitions. [2024-10-11 05:18:53,659 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1524 transitions. Word has length 330 [2024-10-11 05:18:53,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:53,660 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1524 transitions. [2024-10-11 05:18:53,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.6) internal successors, (298), 5 states have internal predecessors, (298), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1524 transitions. [2024-10-11 05:18:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-10-11 05:18:53,661 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:53,661 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:53,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 05:18:53,662 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:53,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:53,662 INFO L85 PathProgramCache]: Analyzing trace with hash -226971934, now seen corresponding path program 1 times [2024-10-11 05:18:53,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:53,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136800893] [2024-10-11 05:18:53,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:53,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:54,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:54,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:54,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:18:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:54,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 05:18:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:54,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 05:18:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:54,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 05:18:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:54,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 05:18:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:54,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:54,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136800893] [2024-10-11 05:18:54,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136800893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:54,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:54,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:54,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753965318] [2024-10-11 05:18:54,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:54,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:54,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:54,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:54,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:54,324 INFO L87 Difference]: Start difference. First operand 1034 states and 1524 transitions. Second operand has 5 states, 5 states have (on average 59.8) internal successors, (299), 5 states have internal predecessors, (299), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:54,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:54,485 INFO L93 Difference]: Finished difference Result 1887 states and 2777 transitions. [2024-10-11 05:18:54,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:54,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.8) internal successors, (299), 5 states have internal predecessors, (299), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 331 [2024-10-11 05:18:54,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:54,489 INFO L225 Difference]: With dead ends: 1887 [2024-10-11 05:18:54,489 INFO L226 Difference]: Without dead ends: 1034 [2024-10-11 05:18:54,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:54,490 INFO L432 NwaCegarLoop]: 1433 mSDtfsCounter, 2626 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 2868 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:54,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 2868 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:54,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-10-11 05:18:54,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2024-10-11 05:18:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1025 states have (on average 1.4721951219512195) internal successors, (1509), 1025 states have internal predecessors, (1509), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1523 transitions. [2024-10-11 05:18:54,503 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1523 transitions. Word has length 331 [2024-10-11 05:18:54,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:54,503 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1523 transitions. [2024-10-11 05:18:54,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.8) internal successors, (299), 5 states have internal predecessors, (299), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:54,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1523 transitions. [2024-10-11 05:18:54,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-10-11 05:18:54,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:54,505 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:54,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 05:18:54,505 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:54,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:54,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1103358298, now seen corresponding path program 1 times [2024-10-11 05:18:54,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:54,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225590938] [2024-10-11 05:18:54,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:54,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:18:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 05:18:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 05:18:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 05:18:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 05:18:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,086 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:55,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:55,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225590938] [2024-10-11 05:18:55,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225590938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:55,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:55,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:55,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213377225] [2024-10-11 05:18:55,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:55,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:55,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:55,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:55,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:55,088 INFO L87 Difference]: Start difference. First operand 1034 states and 1523 transitions. Second operand has 5 states, 5 states have (on average 60.0) internal successors, (300), 5 states have internal predecessors, (300), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:55,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:55,238 INFO L93 Difference]: Finished difference Result 1887 states and 2775 transitions. [2024-10-11 05:18:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:55,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.0) internal successors, (300), 5 states have internal predecessors, (300), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 332 [2024-10-11 05:18:55,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:55,241 INFO L225 Difference]: With dead ends: 1887 [2024-10-11 05:18:55,241 INFO L226 Difference]: Without dead ends: 1034 [2024-10-11 05:18:55,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:55,243 INFO L432 NwaCegarLoop]: 1433 mSDtfsCounter, 2575 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2575 SdHoareTripleChecker+Valid, 2868 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:55,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2575 Valid, 2868 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:55,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-10-11 05:18:55,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2024-10-11 05:18:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1025 states have (on average 1.471219512195122) internal successors, (1508), 1025 states have internal predecessors, (1508), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1522 transitions. [2024-10-11 05:18:55,258 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1522 transitions. Word has length 332 [2024-10-11 05:18:55,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:55,259 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1522 transitions. [2024-10-11 05:18:55,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.0) internal successors, (300), 5 states have internal predecessors, (300), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1522 transitions. [2024-10-11 05:18:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-10-11 05:18:55,261 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:55,261 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:55,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 05:18:55,262 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:55,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:55,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1513591309, now seen corresponding path program 1 times [2024-10-11 05:18:55,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:55,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845814740] [2024-10-11 05:18:55,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:55,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:18:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 05:18:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 05:18:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 05:18:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 05:18:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:55,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:55,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845814740] [2024-10-11 05:18:55,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845814740] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:55,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:55,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:55,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378809897] [2024-10-11 05:18:55,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:55,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:55,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:55,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:55,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:55,908 INFO L87 Difference]: Start difference. First operand 1034 states and 1522 transitions. Second operand has 5 states, 5 states have (on average 60.2) internal successors, (301), 5 states have internal predecessors, (301), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:56,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:56,064 INFO L93 Difference]: Finished difference Result 1887 states and 2773 transitions. [2024-10-11 05:18:56,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:56,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.2) internal successors, (301), 5 states have internal predecessors, (301), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 333 [2024-10-11 05:18:56,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:56,067 INFO L225 Difference]: With dead ends: 1887 [2024-10-11 05:18:56,067 INFO L226 Difference]: Without dead ends: 1034 [2024-10-11 05:18:56,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:56,070 INFO L432 NwaCegarLoop]: 1433 mSDtfsCounter, 1315 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 2878 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:56,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 2878 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:56,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-10-11 05:18:56,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2024-10-11 05:18:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1025 states have (on average 1.4702439024390244) internal successors, (1507), 1025 states have internal predecessors, (1507), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1521 transitions. [2024-10-11 05:18:56,084 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1521 transitions. Word has length 333 [2024-10-11 05:18:56,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:56,085 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1521 transitions. [2024-10-11 05:18:56,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.2) internal successors, (301), 5 states have internal predecessors, (301), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1521 transitions. [2024-10-11 05:18:56,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-10-11 05:18:56,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:56,087 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:56,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 05:18:56,087 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:56,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:56,088 INFO L85 PathProgramCache]: Analyzing trace with hash -523681541, now seen corresponding path program 1 times [2024-10-11 05:18:56,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:56,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212612363] [2024-10-11 05:18:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:56,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:56,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:56,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:56,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:18:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:56,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 05:18:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:56,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 05:18:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:56,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 05:18:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:56,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 05:18:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:56,695 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:56,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:56,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212612363] [2024-10-11 05:18:56,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212612363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:56,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:56,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:56,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296649184] [2024-10-11 05:18:56,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:56,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:56,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:56,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:56,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:56,697 INFO L87 Difference]: Start difference. First operand 1034 states and 1521 transitions. Second operand has 5 states, 5 states have (on average 60.4) internal successors, (302), 5 states have internal predecessors, (302), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:56,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:56,839 INFO L93 Difference]: Finished difference Result 1887 states and 2771 transitions. [2024-10-11 05:18:56,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:18:56,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.4) internal successors, (302), 5 states have internal predecessors, (302), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 334 [2024-10-11 05:18:56,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:56,842 INFO L225 Difference]: With dead ends: 1887 [2024-10-11 05:18:56,842 INFO L226 Difference]: Without dead ends: 1034 [2024-10-11 05:18:56,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:18:56,843 INFO L432 NwaCegarLoop]: 1433 mSDtfsCounter, 2563 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 2868 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:56,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2563 Valid, 2868 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:18:56,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-10-11 05:18:56,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2024-10-11 05:18:56,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1025 states have (on average 1.4692682926829268) internal successors, (1506), 1025 states have internal predecessors, (1506), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:56,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1520 transitions. [2024-10-11 05:18:56,855 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1520 transitions. Word has length 334 [2024-10-11 05:18:56,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:56,856 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1520 transitions. [2024-10-11 05:18:56,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.4) internal successors, (302), 5 states have internal predecessors, (302), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:18:56,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1520 transitions. [2024-10-11 05:18:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-10-11 05:18:56,857 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:56,857 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:56,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-11 05:18:56,858 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:56,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:56,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1338196498, now seen corresponding path program 1 times [2024-10-11 05:18:56,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:56,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771256866] [2024-10-11 05:18:56,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:56,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:57,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:57,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:57,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:18:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:57,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 05:18:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:57,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 05:18:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:57,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 05:18:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:57,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 05:18:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:57,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:57,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771256866] [2024-10-11 05:18:57,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771256866] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:57,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:57,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:18:57,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691781615] [2024-10-11 05:18:57,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:57,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:18:57,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:57,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:18:57,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:57,727 INFO L87 Difference]: Start difference. First operand 1034 states and 1520 transitions. Second operand has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 05:18:58,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:18:58,265 INFO L93 Difference]: Finished difference Result 1891 states and 2775 transitions. [2024-10-11 05:18:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 05:18:58,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 335 [2024-10-11 05:18:58,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:18:58,268 INFO L225 Difference]: With dead ends: 1891 [2024-10-11 05:18:58,268 INFO L226 Difference]: Without dead ends: 1038 [2024-10-11 05:18:58,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:18:58,269 INFO L432 NwaCegarLoop]: 1135 mSDtfsCounter, 1384 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1386 SdHoareTripleChecker+Valid, 3385 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 05:18:58,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1386 Valid, 3385 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 05:18:58,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2024-10-11 05:18:58,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1036. [2024-10-11 05:18:58,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1027 states have (on average 1.4683544303797469) internal successors, (1508), 1027 states have internal predecessors, (1508), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 05:18:58,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1522 transitions. [2024-10-11 05:18:58,281 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1522 transitions. Word has length 335 [2024-10-11 05:18:58,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:18:58,281 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1522 transitions. [2024-10-11 05:18:58,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 05:18:58,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1522 transitions. [2024-10-11 05:18:58,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-10-11 05:18:58,283 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:18:58,283 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:18:58,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-11 05:18:58,283 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:18:58,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:18:58,284 INFO L85 PathProgramCache]: Analyzing trace with hash 743529750, now seen corresponding path program 1 times [2024-10-11 05:18:58,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:18:58,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355794615] [2024-10-11 05:18:58,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:18:58,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:18:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:59,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:18:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:59,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:18:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:59,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:18:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:59,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 05:18:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:59,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 05:18:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:59,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 05:18:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:59,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 05:18:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:18:59,768 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:18:59,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:18:59,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355794615] [2024-10-11 05:18:59,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355794615] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:18:59,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:18:59,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 05:18:59,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409449090] [2024-10-11 05:18:59,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:18:59,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 05:18:59,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:18:59,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 05:18:59,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 05:18:59,771 INFO L87 Difference]: Start difference. First operand 1036 states and 1522 transitions. Second operand has 11 states, 11 states have (on average 27.636363636363637) internal successors, (304), 11 states have internal predecessors, (304), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 05:19:01,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:01,260 INFO L93 Difference]: Finished difference Result 2764 states and 4052 transitions. [2024-10-11 05:19:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 05:19:01,260 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 27.636363636363637) internal successors, (304), 11 states have internal predecessors, (304), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 336 [2024-10-11 05:19:01,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:01,264 INFO L225 Difference]: With dead ends: 2764 [2024-10-11 05:19:01,264 INFO L226 Difference]: Without dead ends: 1909 [2024-10-11 05:19:01,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-10-11 05:19:01,265 INFO L432 NwaCegarLoop]: 1216 mSDtfsCounter, 2640 mSDsluCounter, 9541 mSDsCounter, 0 mSdLazyCounter, 3132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 10757 SdHoareTripleChecker+Invalid, 3140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:01,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 10757 Invalid, 3140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3132 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 05:19:01,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2024-10-11 05:19:01,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1167. [2024-10-11 05:19:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 1153 states have (on average 1.4683434518647007) internal successors, (1693), 1153 states have internal predecessors, (1693), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 05:19:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1717 transitions. [2024-10-11 05:19:01,284 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1717 transitions. Word has length 336 [2024-10-11 05:19:01,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:01,285 INFO L471 AbstractCegarLoop]: Abstraction has 1167 states and 1717 transitions. [2024-10-11 05:19:01,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 27.636363636363637) internal successors, (304), 11 states have internal predecessors, (304), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 05:19:01,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1717 transitions. [2024-10-11 05:19:01,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-10-11 05:19:01,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:01,287 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:01,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-11 05:19:01,287 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:01,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:01,288 INFO L85 PathProgramCache]: Analyzing trace with hash -489325087, now seen corresponding path program 1 times [2024-10-11 05:19:01,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:01,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205617363] [2024-10-11 05:19:01,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:01,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:02,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:02,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:02,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:19:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:02,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 05:19:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:02,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 05:19:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:02,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 05:19:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:02,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 05:19:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:19:02,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:02,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205617363] [2024-10-11 05:19:02,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205617363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:02,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:02,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 05:19:02,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427806762] [2024-10-11 05:19:02,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:02,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 05:19:02,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:02,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 05:19:02,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 05:19:02,252 INFO L87 Difference]: Start difference. First operand 1167 states and 1717 transitions. Second operand has 9 states, 9 states have (on average 33.888888888888886) internal successors, (305), 9 states have internal predecessors, (305), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 05:19:03,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:03,244 INFO L93 Difference]: Finished difference Result 2074 states and 3046 transitions. [2024-10-11 05:19:03,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 05:19:03,245 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 33.888888888888886) internal successors, (305), 9 states have internal predecessors, (305), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 337 [2024-10-11 05:19:03,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:03,247 INFO L225 Difference]: With dead ends: 2074 [2024-10-11 05:19:03,247 INFO L226 Difference]: Without dead ends: 1191 [2024-10-11 05:19:03,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 05:19:03,248 INFO L432 NwaCegarLoop]: 1125 mSDtfsCounter, 1495 mSDsluCounter, 6673 mSDsCounter, 0 mSdLazyCounter, 2769 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 7798 SdHoareTripleChecker+Invalid, 2772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:03,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 7798 Invalid, 2772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2769 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 05:19:03,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2024-10-11 05:19:03,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1183. [2024-10-11 05:19:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1169 states have (on average 1.467065868263473) internal successors, (1715), 1169 states have internal predecessors, (1715), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 05:19:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1739 transitions. [2024-10-11 05:19:03,265 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1739 transitions. Word has length 337 [2024-10-11 05:19:03,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:03,265 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1739 transitions. [2024-10-11 05:19:03,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 33.888888888888886) internal successors, (305), 9 states have internal predecessors, (305), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 05:19:03,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1739 transitions. [2024-10-11 05:19:03,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-10-11 05:19:03,267 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:03,267 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:03,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-11 05:19:03,267 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:03,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:03,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1749844469, now seen corresponding path program 1 times [2024-10-11 05:19:03,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:03,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605161791] [2024-10-11 05:19:03,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:03,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:03,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:03,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:03,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:19:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:03,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 05:19:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:03,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 05:19:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:03,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 05:19:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:03,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 05:19:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:19:03,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:03,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605161791] [2024-10-11 05:19:03,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605161791] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:03,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:03,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:19:03,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911715830] [2024-10-11 05:19:03,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:03,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:19:03,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:03,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:19:03,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:19:03,878 INFO L87 Difference]: Start difference. First operand 1183 states and 1739 transitions. Second operand has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:19:03,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:03,953 INFO L93 Difference]: Finished difference Result 2046 states and 3001 transitions. [2024-10-11 05:19:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:03,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 338 [2024-10-11 05:19:03,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:03,956 INFO L225 Difference]: With dead ends: 2046 [2024-10-11 05:19:03,956 INFO L226 Difference]: Without dead ends: 1183 [2024-10-11 05:19:03,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:03,957 INFO L432 NwaCegarLoop]: 1464 mSDtfsCounter, 1318 mSDsluCounter, 1466 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 2930 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:03,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 2930 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:03,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2024-10-11 05:19:03,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2024-10-11 05:19:03,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1169 states have (on average 1.4662104362703166) internal successors, (1714), 1169 states have internal predecessors, (1714), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 05:19:03,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1738 transitions. [2024-10-11 05:19:03,971 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1738 transitions. Word has length 338 [2024-10-11 05:19:03,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:03,971 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1738 transitions. [2024-10-11 05:19:03,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:19:03,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1738 transitions. [2024-10-11 05:19:03,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-10-11 05:19:03,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:03,973 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:03,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 05:19:03,974 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:03,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:03,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1642443331, now seen corresponding path program 1 times [2024-10-11 05:19:03,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:03,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143994736] [2024-10-11 05:19:03,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:03,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:04,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:04,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:04,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 05:19:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:04,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 05:19:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:04,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 05:19:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:04,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 05:19:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:04,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 05:19:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:04,992 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:19:04,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:04,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143994736] [2024-10-11 05:19:04,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143994736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:04,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:04,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 05:19:04,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314651354] [2024-10-11 05:19:04,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:04,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 05:19:04,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:04,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 05:19:04,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 05:19:04,994 INFO L87 Difference]: Start difference. First operand 1183 states and 1738 transitions. Second operand has 9 states, 9 states have (on average 34.111111111111114) internal successors, (307), 9 states have internal predecessors, (307), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 05:19:06,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:06,023 INFO L93 Difference]: Finished difference Result 2128 states and 3121 transitions. [2024-10-11 05:19:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 05:19:06,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 34.111111111111114) internal successors, (307), 9 states have internal predecessors, (307), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 339 [2024-10-11 05:19:06,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:06,026 INFO L225 Difference]: With dead ends: 2128 [2024-10-11 05:19:06,026 INFO L226 Difference]: Without dead ends: 1207 [2024-10-11 05:19:06,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 05:19:06,028 INFO L432 NwaCegarLoop]: 1124 mSDtfsCounter, 1506 mSDsluCounter, 6667 mSDsCounter, 0 mSdLazyCounter, 2769 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 7791 SdHoareTripleChecker+Invalid, 2772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:06,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 7791 Invalid, 2772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2769 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 05:19:06,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2024-10-11 05:19:06,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1199. [2024-10-11 05:19:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1199 states, 1185 states have (on average 1.4649789029535865) internal successors, (1736), 1185 states have internal predecessors, (1736), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 05:19:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1760 transitions. [2024-10-11 05:19:06,047 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1760 transitions. Word has length 339 [2024-10-11 05:19:06,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:06,047 INFO L471 AbstractCegarLoop]: Abstraction has 1199 states and 1760 transitions. [2024-10-11 05:19:06,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 34.111111111111114) internal successors, (307), 9 states have internal predecessors, (307), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 05:19:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1760 transitions. [2024-10-11 05:19:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-10-11 05:19:06,049 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:06,050 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:06,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-11 05:19:06,050 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:06,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:06,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1267569652, now seen corresponding path program 1 times [2024-10-11 05:19:06,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:06,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599991615] [2024-10-11 05:19:06,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:06,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:07,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:07,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:07,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:07,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:07,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:07,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:07,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 05:19:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:19:07,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:07,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599991615] [2024-10-11 05:19:07,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599991615] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:07,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:07,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 05:19:07,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752460617] [2024-10-11 05:19:07,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:07,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 05:19:07,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:07,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 05:19:07,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 05:19:07,424 INFO L87 Difference]: Start difference. First operand 1199 states and 1760 transitions. Second operand has 11 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 05:19:08,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:08,823 INFO L93 Difference]: Finished difference Result 3149 states and 4612 transitions. [2024-10-11 05:19:08,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 05:19:08,823 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 340 [2024-10-11 05:19:08,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:08,827 INFO L225 Difference]: With dead ends: 3149 [2024-10-11 05:19:08,827 INFO L226 Difference]: Without dead ends: 2278 [2024-10-11 05:19:08,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-10-11 05:19:08,828 INFO L432 NwaCegarLoop]: 1226 mSDtfsCounter, 2600 mSDsluCounter, 9650 mSDsCounter, 0 mSdLazyCounter, 3174 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2610 SdHoareTripleChecker+Valid, 10876 SdHoareTripleChecker+Invalid, 3184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:08,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2610 Valid, 10876 Invalid, 3184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 3174 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 05:19:08,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2024-10-11 05:19:08,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1499. [2024-10-11 05:19:08,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 1474 states have (on average 1.4633649932157395) internal successors, (2157), 1474 states have internal predecessors, (2157), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 05:19:08,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 2203 transitions. [2024-10-11 05:19:08,852 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 2203 transitions. Word has length 340 [2024-10-11 05:19:08,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:08,852 INFO L471 AbstractCegarLoop]: Abstraction has 1499 states and 2203 transitions. [2024-10-11 05:19:08,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 05:19:08,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2203 transitions. [2024-10-11 05:19:08,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-10-11 05:19:08,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:08,855 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:08,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-11 05:19:08,855 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:08,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:08,856 INFO L85 PathProgramCache]: Analyzing trace with hash 961093148, now seen corresponding path program 1 times [2024-10-11 05:19:08,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:08,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014678483] [2024-10-11 05:19:08,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:08,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:10,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:10,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:10,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:10,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:10,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:10,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:10,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 05:19:10,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:10,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014678483] [2024-10-11 05:19:10,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014678483] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:10,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:10,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 05:19:10,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528617953] [2024-10-11 05:19:10,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:10,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 05:19:10,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:10,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 05:19:10,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 05:19:10,343 INFO L87 Difference]: Start difference. First operand 1499 states and 2203 transitions. Second operand has 7 states, 7 states have (on average 44.142857142857146) internal successors, (309), 7 states have internal predecessors, (309), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:19:10,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:10,503 INFO L93 Difference]: Finished difference Result 2746 states and 4012 transitions. [2024-10-11 05:19:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 05:19:10,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 44.142857142857146) internal successors, (309), 7 states have internal predecessors, (309), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 341 [2024-10-11 05:19:10,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:10,507 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:10,507 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:10,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-11 05:19:10,510 INFO L432 NwaCegarLoop]: 1492 mSDtfsCounter, 2510 mSDsluCounter, 5959 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 7451 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:10,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 7451 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:10,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:10,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:10,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4536082474226804) internal successors, (2679), 1843 states have internal predecessors, (2679), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:10,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2739 transitions. [2024-10-11 05:19:10,545 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2739 transitions. Word has length 341 [2024-10-11 05:19:10,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:10,546 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2739 transitions. [2024-10-11 05:19:10,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.142857142857146) internal successors, (309), 7 states have internal predecessors, (309), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-11 05:19:10,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2739 transitions. [2024-10-11 05:19:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2024-10-11 05:19:10,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:10,552 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:10,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-11 05:19:10,552 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:10,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:10,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1260221426, now seen corresponding path program 1 times [2024-10-11 05:19:10,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:10,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891934273] [2024-10-11 05:19:10,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:10,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2024-10-11 05:19:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-10-11 05:19:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2024-10-11 05:19:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2024-10-11 05:19:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2024-10-11 05:19:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2024-10-11 05:19:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2024-10-11 05:19:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:11,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:11,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891934273] [2024-10-11 05:19:11,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891934273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:11,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:11,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:11,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970193314] [2024-10-11 05:19:11,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:11,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:11,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:11,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:11,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:11,859 INFO L87 Difference]: Start difference. First operand 1875 states and 2739 transitions. Second operand has 5 states, 5 states have (on average 151.6) internal successors, (758), 5 states have internal predecessors, (758), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:12,026 INFO L93 Difference]: Finished difference Result 2746 states and 4011 transitions. [2024-10-11 05:19:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:12,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 151.6) internal successors, (758), 5 states have internal predecessors, (758), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 825 [2024-10-11 05:19:12,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:12,030 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:12,030 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:12,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:12,032 INFO L432 NwaCegarLoop]: 1432 mSDtfsCounter, 2482 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2489 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:12,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2489 Valid, 2866 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:12,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:12,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:12,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4530656538252849) internal successors, (2678), 1843 states have internal predecessors, (2678), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2738 transitions. [2024-10-11 05:19:12,061 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2738 transitions. Word has length 825 [2024-10-11 05:19:12,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:12,062 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2738 transitions. [2024-10-11 05:19:12,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 151.6) internal successors, (758), 5 states have internal predecessors, (758), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2738 transitions. [2024-10-11 05:19:12,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2024-10-11 05:19:12,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:12,068 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:12,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-11 05:19:12,068 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:12,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:12,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1926983239, now seen corresponding path program 1 times [2024-10-11 05:19:12,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:12,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482916454] [2024-10-11 05:19:12,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:12,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2024-10-11 05:19:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-10-11 05:19:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2024-10-11 05:19:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2024-10-11 05:19:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2024-10-11 05:19:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2024-10-11 05:19:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2024-10-11 05:19:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:13,338 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:13,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:13,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482916454] [2024-10-11 05:19:13,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482916454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:13,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:13,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:13,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58404697] [2024-10-11 05:19:13,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:13,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:13,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:13,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:13,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:13,341 INFO L87 Difference]: Start difference. First operand 1875 states and 2738 transitions. Second operand has 5 states, 5 states have (on average 151.8) internal successors, (759), 5 states have internal predecessors, (759), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:13,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:13,463 INFO L93 Difference]: Finished difference Result 2746 states and 4009 transitions. [2024-10-11 05:19:13,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:13,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 151.8) internal successors, (759), 5 states have internal predecessors, (759), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 826 [2024-10-11 05:19:13,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:13,466 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:13,466 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:13,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:13,468 INFO L432 NwaCegarLoop]: 1432 mSDtfsCounter, 2466 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2473 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:13,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2473 Valid, 2866 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:13,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:13,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:13,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4525230602278894) internal successors, (2677), 1843 states have internal predecessors, (2677), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:13,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2737 transitions. [2024-10-11 05:19:13,492 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2737 transitions. Word has length 826 [2024-10-11 05:19:13,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:13,493 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2737 transitions. [2024-10-11 05:19:13,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 151.8) internal successors, (759), 5 states have internal predecessors, (759), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2737 transitions. [2024-10-11 05:19:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2024-10-11 05:19:13,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:13,498 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:13,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-11 05:19:13,498 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:13,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:13,499 INFO L85 PathProgramCache]: Analyzing trace with hash 2074845017, now seen corresponding path program 1 times [2024-10-11 05:19:13,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:13,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866535879] [2024-10-11 05:19:13,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:13,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2024-10-11 05:19:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2024-10-11 05:19:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2024-10-11 05:19:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2024-10-11 05:19:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2024-10-11 05:19:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2024-10-11 05:19:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2024-10-11 05:19:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:14,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:14,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866535879] [2024-10-11 05:19:14,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866535879] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:14,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:14,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:14,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074513415] [2024-10-11 05:19:14,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:14,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:14,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:14,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:14,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:14,801 INFO L87 Difference]: Start difference. First operand 1875 states and 2737 transitions. Second operand has 5 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:14,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:14,943 INFO L93 Difference]: Finished difference Result 2746 states and 4007 transitions. [2024-10-11 05:19:14,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:14,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 827 [2024-10-11 05:19:14,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:14,947 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:14,947 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:14,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:14,948 INFO L432 NwaCegarLoop]: 1432 mSDtfsCounter, 1320 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 2876 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:14,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 2876 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:14,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:14,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4519804666304938) internal successors, (2676), 1843 states have internal predecessors, (2676), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:14,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2736 transitions. [2024-10-11 05:19:14,973 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2736 transitions. Word has length 827 [2024-10-11 05:19:14,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:14,974 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2736 transitions. [2024-10-11 05:19:14,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:14,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2736 transitions. [2024-10-11 05:19:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 829 [2024-10-11 05:19:14,979 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:14,979 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:14,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-11 05:19:14,980 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:14,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:14,980 INFO L85 PathProgramCache]: Analyzing trace with hash -906350620, now seen corresponding path program 1 times [2024-10-11 05:19:14,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:14,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959666545] [2024-10-11 05:19:14,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:14,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-10-11 05:19:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2024-10-11 05:19:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2024-10-11 05:19:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2024-10-11 05:19:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2024-10-11 05:19:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2024-10-11 05:19:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2024-10-11 05:19:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:16,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:16,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959666545] [2024-10-11 05:19:16,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959666545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:16,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:16,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:16,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830523552] [2024-10-11 05:19:16,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:16,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:16,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:16,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:16,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:16,239 INFO L87 Difference]: Start difference. First operand 1875 states and 2736 transitions. Second operand has 5 states, 5 states have (on average 152.2) internal successors, (761), 5 states have internal predecessors, (761), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:16,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:16,370 INFO L93 Difference]: Finished difference Result 2746 states and 4005 transitions. [2024-10-11 05:19:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:16,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 152.2) internal successors, (761), 5 states have internal predecessors, (761), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 828 [2024-10-11 05:19:16,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:16,374 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:16,374 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:16,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:16,375 INFO L432 NwaCegarLoop]: 1432 mSDtfsCounter, 2434 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2441 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:16,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2441 Valid, 2866 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:16,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:16,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:16,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4514378730330981) internal successors, (2675), 1843 states have internal predecessors, (2675), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:16,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2735 transitions. [2024-10-11 05:19:16,401 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2735 transitions. Word has length 828 [2024-10-11 05:19:16,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:16,402 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2735 transitions. [2024-10-11 05:19:16,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 152.2) internal successors, (761), 5 states have internal predecessors, (761), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2735 transitions. [2024-10-11 05:19:16,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2024-10-11 05:19:16,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:16,407 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:16,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-11 05:19:16,407 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:16,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:16,407 INFO L85 PathProgramCache]: Analyzing trace with hash -2004134108, now seen corresponding path program 1 times [2024-10-11 05:19:16,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:16,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551903246] [2024-10-11 05:19:16,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:16,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2024-10-11 05:19:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2024-10-11 05:19:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2024-10-11 05:19:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2024-10-11 05:19:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2024-10-11 05:19:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2024-10-11 05:19:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2024-10-11 05:19:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:17,989 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:17,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:17,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551903246] [2024-10-11 05:19:17,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551903246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:17,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:17,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:17,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336977575] [2024-10-11 05:19:17,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:17,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:17,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:17,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:17,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:17,991 INFO L87 Difference]: Start difference. First operand 1875 states and 2735 transitions. Second operand has 5 states, 5 states have (on average 152.4) internal successors, (762), 5 states have internal predecessors, (762), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:18,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:18,093 INFO L93 Difference]: Finished difference Result 2746 states and 4003 transitions. [2024-10-11 05:19:18,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:18,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 152.4) internal successors, (762), 5 states have internal predecessors, (762), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 829 [2024-10-11 05:19:18,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:18,097 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:18,097 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:18,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:18,100 INFO L432 NwaCegarLoop]: 1460 mSDtfsCounter, 1297 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:18,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1304 Valid, 2932 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:18,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:18,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4508952794357026) internal successors, (2674), 1843 states have internal predecessors, (2674), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2734 transitions. [2024-10-11 05:19:18,127 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2734 transitions. Word has length 829 [2024-10-11 05:19:18,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:18,127 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2734 transitions. [2024-10-11 05:19:18,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 152.4) internal successors, (762), 5 states have internal predecessors, (762), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2734 transitions. [2024-10-11 05:19:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 831 [2024-10-11 05:19:18,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:18,133 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:18,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-11 05:19:18,133 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:18,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:18,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1973900657, now seen corresponding path program 1 times [2024-10-11 05:19:18,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:18,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184609338] [2024-10-11 05:19:18,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:18,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2024-10-11 05:19:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2024-10-11 05:19:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2024-10-11 05:19:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2024-10-11 05:19:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2024-10-11 05:19:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2024-10-11 05:19:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2024-10-11 05:19:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:19,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:19,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184609338] [2024-10-11 05:19:19,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184609338] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:19,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:19,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:19,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002265815] [2024-10-11 05:19:19,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:19,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:19,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:19,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:19,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:19,521 INFO L87 Difference]: Start difference. First operand 1875 states and 2734 transitions. Second operand has 5 states, 5 states have (on average 152.6) internal successors, (763), 5 states have internal predecessors, (763), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:19,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:19,622 INFO L93 Difference]: Finished difference Result 2746 states and 4001 transitions. [2024-10-11 05:19:19,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:19,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 152.6) internal successors, (763), 5 states have internal predecessors, (763), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 830 [2024-10-11 05:19:19,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:19,625 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:19,625 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:19,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:19,626 INFO L432 NwaCegarLoop]: 1460 mSDtfsCounter, 2395 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2402 SdHoareTripleChecker+Valid, 2922 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:19,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 2922 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:19,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:19,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4503526858383071) internal successors, (2673), 1843 states have internal predecessors, (2673), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2733 transitions. [2024-10-11 05:19:19,649 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2733 transitions. Word has length 830 [2024-10-11 05:19:19,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:19,652 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2733 transitions. [2024-10-11 05:19:19,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 152.6) internal successors, (763), 5 states have internal predecessors, (763), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:19,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2733 transitions. [2024-10-11 05:19:19,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2024-10-11 05:19:19,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:19,657 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:19,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-11 05:19:19,658 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:19,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:19,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1964077935, now seen corresponding path program 1 times [2024-10-11 05:19:19,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:19,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468900033] [2024-10-11 05:19:19,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:19,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2024-10-11 05:19:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2024-10-11 05:19:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2024-10-11 05:19:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2024-10-11 05:19:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2024-10-11 05:19:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2024-10-11 05:19:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2024-10-11 05:19:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:21,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:21,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468900033] [2024-10-11 05:19:21,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468900033] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:21,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:21,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:21,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248628696] [2024-10-11 05:19:21,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:21,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:21,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:21,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:21,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:21,043 INFO L87 Difference]: Start difference. First operand 1875 states and 2733 transitions. Second operand has 5 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 05:19:21,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:21,449 INFO L93 Difference]: Finished difference Result 2746 states and 3999 transitions. [2024-10-11 05:19:21,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:21,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 831 [2024-10-11 05:19:21,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:21,452 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:21,452 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:21,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:21,453 INFO L432 NwaCegarLoop]: 1115 mSDtfsCounter, 2309 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 2232 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:21,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2311 Valid, 2232 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 05:19:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:21,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4498100922409116) internal successors, (2672), 1843 states have internal predecessors, (2672), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2732 transitions. [2024-10-11 05:19:21,478 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2732 transitions. Word has length 831 [2024-10-11 05:19:21,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:21,478 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2732 transitions. [2024-10-11 05:19:21,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 05:19:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2732 transitions. [2024-10-11 05:19:21,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2024-10-11 05:19:21,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:21,484 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:21,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-11 05:19:21,484 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:21,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:21,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1832271430, now seen corresponding path program 1 times [2024-10-11 05:19:21,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:21,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305194983] [2024-10-11 05:19:21,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:21,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2024-10-11 05:19:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2024-10-11 05:19:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2024-10-11 05:19:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2024-10-11 05:19:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2024-10-11 05:19:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2024-10-11 05:19:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2024-10-11 05:19:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:22,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:22,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305194983] [2024-10-11 05:19:22,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305194983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:22,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:22,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:22,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761976397] [2024-10-11 05:19:22,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:22,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:22,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:22,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:22,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:22,669 INFO L87 Difference]: Start difference. First operand 1875 states and 2732 transitions. Second operand has 5 states, 5 states have (on average 153.0) internal successors, (765), 5 states have internal predecessors, (765), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:22,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:22,822 INFO L93 Difference]: Finished difference Result 2746 states and 3997 transitions. [2024-10-11 05:19:22,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:22,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 153.0) internal successors, (765), 5 states have internal predecessors, (765), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 832 [2024-10-11 05:19:22,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:22,825 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:22,825 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:22,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:22,827 INFO L432 NwaCegarLoop]: 1429 mSDtfsCounter, 1230 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:22,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 2870 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:22,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:22,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4492674986435161) internal successors, (2671), 1843 states have internal predecessors, (2671), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:22,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2731 transitions. [2024-10-11 05:19:22,850 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2731 transitions. Word has length 832 [2024-10-11 05:19:22,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:22,850 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2731 transitions. [2024-10-11 05:19:22,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 153.0) internal successors, (765), 5 states have internal predecessors, (765), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:22,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2731 transitions. [2024-10-11 05:19:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2024-10-11 05:19:22,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:22,855 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:22,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-11 05:19:22,856 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:22,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:22,856 INFO L85 PathProgramCache]: Analyzing trace with hash 692479371, now seen corresponding path program 1 times [2024-10-11 05:19:22,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:22,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846308640] [2024-10-11 05:19:22,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:22,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-10-11 05:19:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2024-10-11 05:19:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2024-10-11 05:19:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2024-10-11 05:19:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2024-10-11 05:19:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2024-10-11 05:19:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2024-10-11 05:19:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:24,053 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:24,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:24,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846308640] [2024-10-11 05:19:24,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846308640] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:24,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:24,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:24,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510924862] [2024-10-11 05:19:24,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:24,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:24,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:24,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:24,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:24,055 INFO L87 Difference]: Start difference. First operand 1875 states and 2731 transitions. Second operand has 5 states, 5 states have (on average 153.2) internal successors, (766), 5 states have internal predecessors, (766), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:24,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:24,191 INFO L93 Difference]: Finished difference Result 2746 states and 3995 transitions. [2024-10-11 05:19:24,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:24,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 153.2) internal successors, (766), 5 states have internal predecessors, (766), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 833 [2024-10-11 05:19:24,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:24,193 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:24,193 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:24,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:24,196 INFO L432 NwaCegarLoop]: 1429 mSDtfsCounter, 2254 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2261 SdHoareTripleChecker+Valid, 2860 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:24,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2261 Valid, 2860 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:24,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:24,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4487249050461204) internal successors, (2670), 1843 states have internal predecessors, (2670), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2730 transitions. [2024-10-11 05:19:24,219 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2730 transitions. Word has length 833 [2024-10-11 05:19:24,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:24,220 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2730 transitions. [2024-10-11 05:19:24,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 153.2) internal successors, (766), 5 states have internal predecessors, (766), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:24,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2730 transitions. [2024-10-11 05:19:24,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2024-10-11 05:19:24,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:24,224 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:24,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-11 05:19:24,225 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:24,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:24,225 INFO L85 PathProgramCache]: Analyzing trace with hash -297996219, now seen corresponding path program 1 times [2024-10-11 05:19:24,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:24,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878972189] [2024-10-11 05:19:24,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:24,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2024-10-11 05:19:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2024-10-11 05:19:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2024-10-11 05:19:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2024-10-11 05:19:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2024-10-11 05:19:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2024-10-11 05:19:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2024-10-11 05:19:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:25,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:25,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878972189] [2024-10-11 05:19:25,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878972189] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:25,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:25,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:25,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260619377] [2024-10-11 05:19:25,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:25,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:25,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:25,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:25,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:25,438 INFO L87 Difference]: Start difference. First operand 1875 states and 2730 transitions. Second operand has 5 states, 5 states have (on average 153.4) internal successors, (767), 5 states have internal predecessors, (767), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:25,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:25,563 INFO L93 Difference]: Finished difference Result 2746 states and 3993 transitions. [2024-10-11 05:19:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:25,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 153.4) internal successors, (767), 5 states have internal predecessors, (767), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 834 [2024-10-11 05:19:25,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:25,566 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:25,566 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:25,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:25,567 INFO L432 NwaCegarLoop]: 1429 mSDtfsCounter, 1214 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:25,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 2870 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:25,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:25,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:25,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.448182311448725) internal successors, (2669), 1843 states have internal predecessors, (2669), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2729 transitions. [2024-10-11 05:19:25,588 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2729 transitions. Word has length 834 [2024-10-11 05:19:25,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:25,589 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2729 transitions. [2024-10-11 05:19:25,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 153.4) internal successors, (767), 5 states have internal predecessors, (767), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:25,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2729 transitions. [2024-10-11 05:19:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2024-10-11 05:19:25,594 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:25,594 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:25,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-11 05:19:25,595 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:25,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:25,595 INFO L85 PathProgramCache]: Analyzing trace with hash -58401418, now seen corresponding path program 1 times [2024-10-11 05:19:25,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:25,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200846913] [2024-10-11 05:19:25,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:25,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-10-11 05:19:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2024-10-11 05:19:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2024-10-11 05:19:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2024-10-11 05:19:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2024-10-11 05:19:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2024-10-11 05:19:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2024-10-11 05:19:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:26,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:26,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200846913] [2024-10-11 05:19:26,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200846913] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:26,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:26,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:26,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588560423] [2024-10-11 05:19:26,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:26,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:26,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:26,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:26,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:26,874 INFO L87 Difference]: Start difference. First operand 1875 states and 2729 transitions. Second operand has 5 states, 5 states have (on average 153.6) internal successors, (768), 5 states have internal predecessors, (768), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:26,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:26,997 INFO L93 Difference]: Finished difference Result 2746 states and 3991 transitions. [2024-10-11 05:19:26,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:26,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 153.6) internal successors, (768), 5 states have internal predecessors, (768), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 835 [2024-10-11 05:19:26,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:26,999 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:26,999 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:27,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:27,000 INFO L432 NwaCegarLoop]: 1429 mSDtfsCounter, 2222 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2229 SdHoareTripleChecker+Valid, 2860 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:27,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2229 Valid, 2860 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:27,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:27,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:27,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4476397178513294) internal successors, (2668), 1843 states have internal predecessors, (2668), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:27,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2728 transitions. [2024-10-11 05:19:27,021 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2728 transitions. Word has length 835 [2024-10-11 05:19:27,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:27,022 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2728 transitions. [2024-10-11 05:19:27,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 153.6) internal successors, (768), 5 states have internal predecessors, (768), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2728 transitions. [2024-10-11 05:19:27,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2024-10-11 05:19:27,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:27,027 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:27,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-11 05:19:27,027 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:27,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:27,028 INFO L85 PathProgramCache]: Analyzing trace with hash 160191312, now seen corresponding path program 1 times [2024-10-11 05:19:27,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:27,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436567430] [2024-10-11 05:19:27,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:27,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-10-11 05:19:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2024-10-11 05:19:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2024-10-11 05:19:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2024-10-11 05:19:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2024-10-11 05:19:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2024-10-11 05:19:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2024-10-11 05:19:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:28,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:28,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436567430] [2024-10-11 05:19:28,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436567430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:28,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:28,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:28,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487308971] [2024-10-11 05:19:28,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:28,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:28,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:28,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:28,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:28,336 INFO L87 Difference]: Start difference. First operand 1875 states and 2728 transitions. Second operand has 5 states, 5 states have (on average 153.8) internal successors, (769), 5 states have internal predecessors, (769), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:28,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:28,421 INFO L93 Difference]: Finished difference Result 2746 states and 3989 transitions. [2024-10-11 05:19:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:28,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 153.8) internal successors, (769), 5 states have internal predecessors, (769), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 836 [2024-10-11 05:19:28,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:28,423 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:28,423 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:28,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:28,424 INFO L432 NwaCegarLoop]: 1455 mSDtfsCounter, 2199 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2206 SdHoareTripleChecker+Valid, 2912 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:28,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2206 Valid, 2912 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:28,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:28,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4470971242539339) internal successors, (2667), 1843 states have internal predecessors, (2667), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2727 transitions. [2024-10-11 05:19:28,446 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2727 transitions. Word has length 836 [2024-10-11 05:19:28,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:28,446 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2727 transitions. [2024-10-11 05:19:28,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 153.8) internal successors, (769), 5 states have internal predecessors, (769), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2727 transitions. [2024-10-11 05:19:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 838 [2024-10-11 05:19:28,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:28,499 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:28,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-11 05:19:28,500 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:28,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:28,501 INFO L85 PathProgramCache]: Analyzing trace with hash 191111649, now seen corresponding path program 1 times [2024-10-11 05:19:28,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:28,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554395985] [2024-10-11 05:19:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:28,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2024-10-11 05:19:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2024-10-11 05:19:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2024-10-11 05:19:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2024-10-11 05:19:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2024-10-11 05:19:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2024-10-11 05:19:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 685 [2024-10-11 05:19:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:30,064 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:30,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:30,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554395985] [2024-10-11 05:19:30,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554395985] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:30,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:30,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:30,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784383237] [2024-10-11 05:19:30,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:30,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:30,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:30,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:30,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:30,066 INFO L87 Difference]: Start difference. First operand 1875 states and 2727 transitions. Second operand has 5 states, 5 states have (on average 154.0) internal successors, (770), 5 states have internal predecessors, (770), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:30,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:30,147 INFO L93 Difference]: Finished difference Result 2746 states and 3987 transitions. [2024-10-11 05:19:30,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:30,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 154.0) internal successors, (770), 5 states have internal predecessors, (770), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 837 [2024-10-11 05:19:30,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:30,149 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:30,149 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:30,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:30,151 INFO L432 NwaCegarLoop]: 1455 mSDtfsCounter, 1183 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 2922 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:30,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 2922 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:30,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:30,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4465545306565382) internal successors, (2666), 1843 states have internal predecessors, (2666), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:30,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2726 transitions. [2024-10-11 05:19:30,172 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2726 transitions. Word has length 837 [2024-10-11 05:19:30,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:30,173 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2726 transitions. [2024-10-11 05:19:30,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 154.0) internal successors, (770), 5 states have internal predecessors, (770), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:30,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2726 transitions. [2024-10-11 05:19:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 839 [2024-10-11 05:19:30,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:30,178 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:30,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-11 05:19:30,178 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:30,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:30,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1865657051, now seen corresponding path program 1 times [2024-10-11 05:19:30,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:30,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035701255] [2024-10-11 05:19:30,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:30,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-10-11 05:19:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2024-10-11 05:19:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2024-10-11 05:19:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2024-10-11 05:19:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2024-10-11 05:19:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2024-10-11 05:19:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2024-10-11 05:19:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:31,556 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:31,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:31,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035701255] [2024-10-11 05:19:31,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035701255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:31,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:31,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:31,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496266665] [2024-10-11 05:19:31,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:31,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:31,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:31,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:31,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:31,558 INFO L87 Difference]: Start difference. First operand 1875 states and 2726 transitions. Second operand has 5 states, 5 states have (on average 154.2) internal successors, (771), 5 states have internal predecessors, (771), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 05:19:31,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:31,959 INFO L93 Difference]: Finished difference Result 2746 states and 3985 transitions. [2024-10-11 05:19:31,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:31,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 154.2) internal successors, (771), 5 states have internal predecessors, (771), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 838 [2024-10-11 05:19:31,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:31,961 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:31,961 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:31,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:31,962 INFO L432 NwaCegarLoop]: 1109 mSDtfsCounter, 2097 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:31,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 2220 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 05:19:31,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:31,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4460119370591427) internal successors, (2665), 1843 states have internal predecessors, (2665), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2725 transitions. [2024-10-11 05:19:31,986 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2725 transitions. Word has length 838 [2024-10-11 05:19:31,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:31,986 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2725 transitions. [2024-10-11 05:19:31,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 154.2) internal successors, (771), 5 states have internal predecessors, (771), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 05:19:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2725 transitions. [2024-10-11 05:19:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 840 [2024-10-11 05:19:31,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:31,991 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:31,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-11 05:19:31,992 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:31,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:31,992 INFO L85 PathProgramCache]: Analyzing trace with hash 205648588, now seen corresponding path program 1 times [2024-10-11 05:19:31,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:31,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243652528] [2024-10-11 05:19:31,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:31,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-10-11 05:19:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2024-10-11 05:19:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-10-11 05:19:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2024-10-11 05:19:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2024-10-11 05:19:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2024-10-11 05:19:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2024-10-11 05:19:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:35,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:35,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243652528] [2024-10-11 05:19:35,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243652528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:35,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:35,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:19:35,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612062439] [2024-10-11 05:19:35,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:35,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:19:35,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:35,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:19:35,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:19:35,184 INFO L87 Difference]: Start difference. First operand 1875 states and 2725 transitions. Second operand has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:35,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:35,269 INFO L93 Difference]: Finished difference Result 2746 states and 3983 transitions. [2024-10-11 05:19:35,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:35,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 839 [2024-10-11 05:19:35,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:35,271 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:35,271 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:35,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:35,272 INFO L432 NwaCegarLoop]: 1454 mSDtfsCounter, 1098 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 2910 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:35,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 2910 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:35,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:35,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:35,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4454693434617472) internal successors, (2664), 1843 states have internal predecessors, (2664), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2724 transitions. [2024-10-11 05:19:35,294 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2724 transitions. Word has length 839 [2024-10-11 05:19:35,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:35,294 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2724 transitions. [2024-10-11 05:19:35,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:35,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2724 transitions. [2024-10-11 05:19:35,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2024-10-11 05:19:35,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:35,300 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:35,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-11 05:19:35,300 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:35,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:35,301 INFO L85 PathProgramCache]: Analyzing trace with hash -228326839, now seen corresponding path program 1 times [2024-10-11 05:19:35,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:35,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68589301] [2024-10-11 05:19:35,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:35,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-10-11 05:19:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2024-10-11 05:19:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2024-10-11 05:19:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2024-10-11 05:19:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2024-10-11 05:19:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2024-10-11 05:19:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2024-10-11 05:19:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:38,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:38,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68589301] [2024-10-11 05:19:38,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68589301] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:38,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:38,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:19:38,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376945425] [2024-10-11 05:19:38,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:38,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:19:38,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:38,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:19:38,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:19:38,032 INFO L87 Difference]: Start difference. First operand 1875 states and 2724 transitions. Second operand has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:38,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:38,109 INFO L93 Difference]: Finished difference Result 2746 states and 3981 transitions. [2024-10-11 05:19:38,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:38,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 840 [2024-10-11 05:19:38,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:38,112 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:38,112 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:38,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:38,113 INFO L432 NwaCegarLoop]: 1454 mSDtfsCounter, 997 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 2910 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:38,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 2910 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:38,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:38,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:38,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4449267498643517) internal successors, (2663), 1843 states have internal predecessors, (2663), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:38,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2723 transitions. [2024-10-11 05:19:38,134 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2723 transitions. Word has length 840 [2024-10-11 05:19:38,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:38,134 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2723 transitions. [2024-10-11 05:19:38,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:38,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2723 transitions. [2024-10-11 05:19:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 842 [2024-10-11 05:19:38,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:38,140 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:38,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-10-11 05:19:38,140 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:38,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:38,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1585237460, now seen corresponding path program 1 times [2024-10-11 05:19:38,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:38,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804088722] [2024-10-11 05:19:38,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:38,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 05:19:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 05:19:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 05:19:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 05:19:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 05:19:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 05:19:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 05:19:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2024-10-11 05:19:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2024-10-11 05:19:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2024-10-11 05:19:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2024-10-11 05:19:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2024-10-11 05:19:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2024-10-11 05:19:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2024-10-11 05:19:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:19:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 05:19:40,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:19:40,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804088722] [2024-10-11 05:19:40,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804088722] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:19:40,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:19:40,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:19:40,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489597952] [2024-10-11 05:19:40,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:19:40,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:19:40,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:19:40,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:19:40,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:19:40,875 INFO L87 Difference]: Start difference. First operand 1875 states and 2723 transitions. Second operand has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:41,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:19:41,008 INFO L93 Difference]: Finished difference Result 2746 states and 3979 transitions. [2024-10-11 05:19:41,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:19:41,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 841 [2024-10-11 05:19:41,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:19:41,011 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 05:19:41,011 INFO L226 Difference]: Without dead ends: 1875 [2024-10-11 05:19:41,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:19:41,012 INFO L432 NwaCegarLoop]: 1424 mSDtfsCounter, 2414 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 2850 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:19:41,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 2850 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:19:41,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-11 05:19:41,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2024-10-11 05:19:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1843 states have (on average 1.4443841562669562) internal successors, (2662), 1843 states have internal predecessors, (2662), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 05:19:41,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2722 transitions. [2024-10-11 05:19:41,034 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2722 transitions. Word has length 841 [2024-10-11 05:19:41,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:19:41,035 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2722 transitions. [2024-10-11 05:19:41,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 05:19:41,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2722 transitions. [2024-10-11 05:19:41,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2024-10-11 05:19:41,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:19:41,041 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:19:41,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-10-11 05:19:41,041 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:19:41,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:19:41,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1695953879, now seen corresponding path program 1 times [2024-10-11 05:19:41,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:19:41,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110572156] [2024-10-11 05:19:41,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:19:41,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:19:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat