./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d16_e0.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 893891534ef912417047ee29382e9a38873f3028656bf3329b1f530cde6080e5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 23:11:41,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 23:11:41,795 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-11 23:11:41,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 23:11:41,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 23:11:41,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 23:11:41,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 23:11:41,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 23:11:41,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 23:11:41,836 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 23:11:41,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 23:11:41,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 23:11:41,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 23:11:41,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 23:11:41,842 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 23:11:41,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 23:11:41,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 23:11:41,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 23:11:41,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 23:11:41,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 23:11:41,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 23:11:41,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 23:11:41,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 23:11:41,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 23:11:41,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 23:11:41,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 23:11:41,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 23:11:41,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 23:11:41,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 23:11:41,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 23:11:41,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 23:11:41,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 23:11:41,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 23:11:41,849 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 23:11:41,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 23:11:41,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 23:11:41,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 23:11:41,850 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 23:11:41,850 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 23:11:41,850 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 893891534ef912417047ee29382e9a38873f3028656bf3329b1f530cde6080e5 [2024-11-11 23:11:42,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 23:11:42,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 23:11:42,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 23:11:42,158 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 23:11:42,159 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 23:11:42,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d16_e0.c [2024-11-11 23:11:43,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 23:11:44,030 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 23:11:44,031 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d16_e0.c [2024-11-11 23:11:44,056 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980c159bb/036e13898acc48b184322e66b25cbc8c/FLAGd1f5efe17 [2024-11-11 23:11:44,073 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980c159bb/036e13898acc48b184322e66b25cbc8c [2024-11-11 23:11:44,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 23:11:44,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 23:11:44,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 23:11:44,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 23:11:44,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 23:11:44,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:44,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d22fff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44, skipping insertion in model container [2024-11-11 23:11:44,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:44,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 23:11:44,370 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d16_e0.c[1270,1283] [2024-11-11 23:11:44,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 23:11:44,731 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 23:11:44,743 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d16_e0.c[1270,1283] [2024-11-11 23:11:44,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 23:11:44,981 INFO L204 MainTranslator]: Completed translation [2024-11-11 23:11:44,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44 WrapperNode [2024-11-11 23:11:44,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 23:11:44,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 23:11:44,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 23:11:44,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 23:11:45,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:45,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:45,510 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3623 [2024-11-11 23:11:45,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 23:11:45,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 23:11:45,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 23:11:45,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 23:11:45,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:45,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:45,703 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:45,837 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-11 23:11:45,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:45,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:45,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:45,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:46,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:46,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:46,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 23:11:46,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 23:11:46,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 23:11:46,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 23:11:46,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (1/1) ... [2024-11-11 23:11:46,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 23:11:46,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 23:11:46,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-11 23:11:46,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-11 23:11:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 23:11:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-11 23:11:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-11 23:11:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 23:11:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 23:11:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 23:11:46,654 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 23:11:46,656 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 23:11:50,202 INFO L? ?]: Removed 2044 outVars from TransFormulas that were not future-live. [2024-11-11 23:11:50,203 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 23:11:50,253 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 23:11:50,255 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 23:11:50,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:11:50 BoogieIcfgContainer [2024-11-11 23:11:50,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 23:11:50,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 23:11:50,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 23:11:50,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 23:11:50,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 11:11:44" (1/3) ... [2024-11-11 23:11:50,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3037bcd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:11:50, skipping insertion in model container [2024-11-11 23:11:50,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:11:44" (2/3) ... [2024-11-11 23:11:50,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3037bcd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:11:50, skipping insertion in model container [2024-11-11 23:11:50,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:11:50" (3/3) ... [2024-11-11 23:11:50,266 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w8_d16_e0.c [2024-11-11 23:11:50,285 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 23:11:50,285 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 23:11:50,392 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 23:11:50,401 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;@66cc884, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 23:11:50,404 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 23:11:50,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 1032 states, 1022 states have (on average 1.4951076320939334) internal successors, (1528), 1023 states have internal predecessors, (1528), 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) [2024-11-11 23:11:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-11 23:11:50,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:11:50,454 INFO L218 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] [2024-11-11 23:11:50,454 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:11:50,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:11:50,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1715264628, now seen corresponding path program 1 times [2024-11-11 23:11:50,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:11:50,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046084848] [2024-11-11 23:11:50,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:11:50,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:11:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:51,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:11:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:51,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:11:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:51,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:11:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:51,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:11:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:51,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:11:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:51,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:11:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:51,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:11:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:11:51,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:11:51,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046084848] [2024-11-11 23:11:51,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046084848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:11:51,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:11:51,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 23:11:51,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399263470] [2024-11-11 23:11:51,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:11:51,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 23:11:51,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:11:51,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 23:11:51,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 23:11:51,288 INFO L87 Difference]: Start difference. First operand has 1032 states, 1022 states have (on average 1.4951076320939334) internal successors, (1528), 1023 states have internal predecessors, (1528), 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 139.5) internal successors, (279), 2 states have internal predecessors, (279), 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) [2024-11-11 23:11:51,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:11:51,407 INFO L93 Difference]: Finished difference Result 1879 states and 2817 transitions. [2024-11-11 23:11:51,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 23:11:51,410 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 139.5) internal successors, (279), 2 states have internal predecessors, (279), 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 311 [2024-11-11 23:11:51,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:11:51,430 INFO L225 Difference]: With dead ends: 1879 [2024-11-11 23:11:51,431 INFO L226 Difference]: Without dead ends: 1029 [2024-11-11 23:11:51,436 INFO L434 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 [2024-11-11 23:11:51,440 INFO L435 NwaCegarLoop]: 1537 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:11:51,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:11:51,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2024-11-11 23:11:51,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1029. [2024-11-11 23:11:51,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 1020 states have (on average 1.4931372549019608) internal successors, (1523), 1020 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) [2024-11-11 23:11:51,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1537 transitions. [2024-11-11 23:11:51,524 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1537 transitions. Word has length 311 [2024-11-11 23:11:51,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:11:51,525 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1537 transitions. [2024-11-11 23:11:51,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 139.5) internal successors, (279), 2 states have internal predecessors, (279), 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) [2024-11-11 23:11:51,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1537 transitions. [2024-11-11 23:11:51,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-11 23:11:51,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:11:51,531 INFO L218 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] [2024-11-11 23:11:51,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 23:11:51,532 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:11:51,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:11:51,534 INFO L85 PathProgramCache]: Analyzing trace with hash -577804506, now seen corresponding path program 1 times [2024-11-11 23:11:51,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:11:51,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910144026] [2024-11-11 23:11:51,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:11:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:11:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:53,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:11:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:53,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:11:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:53,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:11:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:53,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:11:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:53,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:11:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:53,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:11:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:53,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:11:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:11:53,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:11:53,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910144026] [2024-11-11 23:11:53,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910144026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:11:53,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:11:53,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:11:53,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47613772] [2024-11-11 23:11:53,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:11:53,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:11:53,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:11:53,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:11:53,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:11:53,392 INFO L87 Difference]: Start difference. First operand 1029 states and 1537 transitions. Second operand has 4 states, 4 states have (on average 69.75) internal successors, (279), 4 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) [2024-11-11 23:11:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:11:53,450 INFO L93 Difference]: Finished difference Result 1033 states and 1541 transitions. [2024-11-11 23:11:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:11:53,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 4 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 [2024-11-11 23:11:53,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:11:53,459 INFO L225 Difference]: With dead ends: 1033 [2024-11-11 23:11:53,460 INFO L226 Difference]: Without dead ends: 1031 [2024-11-11 23:11:53,461 INFO L434 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 [2024-11-11 23:11:53,463 INFO L435 NwaCegarLoop]: 1535 mSDtfsCounter, 0 mSDsluCounter, 3064 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4599 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:11:53,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4599 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:11:53,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2024-11-11 23:11:53,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 1031. [2024-11-11 23:11:53,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 1022 states have (on average 1.4921722113502935) internal successors, (1525), 1022 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) [2024-11-11 23:11:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1539 transitions. [2024-11-11 23:11:53,498 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1539 transitions. Word has length 311 [2024-11-11 23:11:53,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:11:53,501 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1539 transitions. [2024-11-11 23:11:53,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 4 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) [2024-11-11 23:11:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1539 transitions. [2024-11-11 23:11:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-11 23:11:53,506 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:11:53,506 INFO L218 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] [2024-11-11 23:11:53,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 23:11:53,507 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:11:53,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:11:53,508 INFO L85 PathProgramCache]: Analyzing trace with hash -730373619, now seen corresponding path program 1 times [2024-11-11 23:11:53,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:11:53,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666941772] [2024-11-11 23:11:53,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:11:53,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:11:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:54,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:11:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:54,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:11:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:54,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:11:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:54,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:11:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:54,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:11:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:54,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:11:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:54,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:11:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:11:54,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:11:54,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666941772] [2024-11-11 23:11:54,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666941772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:11:54,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:11:54,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:11:54,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387711545] [2024-11-11 23:11:54,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:11:54,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:11:54,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:11:54,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:11:54,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:11:54,576 INFO L87 Difference]: Start difference. First operand 1031 states and 1539 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) [2024-11-11 23:11:55,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:11:55,394 INFO L93 Difference]: Finished difference Result 2575 states and 3847 transitions. [2024-11-11 23:11:55,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 23:11:55,395 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 [2024-11-11 23:11:55,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:11:55,400 INFO L225 Difference]: With dead ends: 2575 [2024-11-11 23:11:55,400 INFO L226 Difference]: Without dead ends: 1031 [2024-11-11 23:11:55,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-11 23:11:55,403 INFO L435 NwaCegarLoop]: 1617 mSDtfsCounter, 2992 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2992 SdHoareTripleChecker+Valid, 4399 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 23:11:55,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2992 Valid, 4399 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 23:11:55,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2024-11-11 23:11:55,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 1031. [2024-11-11 23:11:55,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 1022 states have (on average 1.4911937377690803) internal successors, (1524), 1022 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) [2024-11-11 23:11:55,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1538 transitions. [2024-11-11 23:11:55,431 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1538 transitions. Word has length 312 [2024-11-11 23:11:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:11:55,432 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1538 transitions. [2024-11-11 23:11:55,433 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) [2024-11-11 23:11:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1538 transitions. [2024-11-11 23:11:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-11 23:11:55,437 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:11:55,437 INFO L218 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] [2024-11-11 23:11:55,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 23:11:55,438 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:11:55,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:11:55,439 INFO L85 PathProgramCache]: Analyzing trace with hash 42538895, now seen corresponding path program 1 times [2024-11-11 23:11:55,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:11:55,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365980597] [2024-11-11 23:11:55,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:11:55,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:11:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:56,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:11:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:56,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:11:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:56,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:11:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:56,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:11:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:56,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:11:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:56,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:11:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:56,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:11:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:11:56,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:11:56,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365980597] [2024-11-11 23:11:56,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365980597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:11:56,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:11:56,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:11:56,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963823183] [2024-11-11 23:11:56,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:11:56,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:11:56,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:11:56,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:11:56,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:11:56,376 INFO L87 Difference]: Start difference. First operand 1031 states and 1538 transitions. Second operand has 5 states, 5 states have (on average 56.2) internal successors, (281), 5 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) [2024-11-11 23:11:57,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:11:57,080 INFO L93 Difference]: Finished difference Result 1880 states and 2804 transitions. [2024-11-11 23:11:57,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:11:57,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 56.2) internal successors, (281), 5 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 [2024-11-11 23:11:57,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:11:57,086 INFO L225 Difference]: With dead ends: 1880 [2024-11-11 23:11:57,086 INFO L226 Difference]: Without dead ends: 1031 [2024-11-11 23:11:57,088 INFO L434 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 [2024-11-11 23:11:57,089 INFO L435 NwaCegarLoop]: 1143 mSDtfsCounter, 1472 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 2299 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 23:11:57,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 2299 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 23:11:57,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2024-11-11 23:11:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 1031. [2024-11-11 23:11:57,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 1022 states have (on average 1.490215264187867) internal successors, (1523), 1022 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) [2024-11-11 23:11:57,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1537 transitions. [2024-11-11 23:11:57,114 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1537 transitions. Word has length 313 [2024-11-11 23:11:57,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:11:57,115 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1537 transitions. [2024-11-11 23:11:57,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.2) internal successors, (281), 5 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) [2024-11-11 23:11:57,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1537 transitions. [2024-11-11 23:11:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-11 23:11:57,119 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:11:57,119 INFO L218 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] [2024-11-11 23:11:57,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 23:11:57,120 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:11:57,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:11:57,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1106744946, now seen corresponding path program 1 times [2024-11-11 23:11:57,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:11:57,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959000283] [2024-11-11 23:11:57,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:11:57,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:11:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:58,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:11:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:58,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:11:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:58,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:11:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:58,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:11:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:58,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:11:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:58,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:11:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:58,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:11:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:58,043 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:11:58,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:11:58,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959000283] [2024-11-11 23:11:58,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959000283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:11:58,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:11:58,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:11:58,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370354175] [2024-11-11 23:11:58,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:11:58,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:11:58,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:11:58,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:11:58,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:11:58,048 INFO L87 Difference]: Start difference. First operand 1031 states and 1537 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) [2024-11-11 23:11:58,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:11:58,103 INFO L93 Difference]: Finished difference Result 1882 states and 2805 transitions. [2024-11-11 23:11:58,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:11:58,104 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 [2024-11-11 23:11:58,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:11:58,109 INFO L225 Difference]: With dead ends: 1882 [2024-11-11 23:11:58,109 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:11:58,111 INFO L434 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 [2024-11-11 23:11:58,112 INFO L435 NwaCegarLoop]: 1533 mSDtfsCounter, 0 mSDsluCounter, 3056 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4589 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:11:58,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4589 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:11:58,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:11:58,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:11:58,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.4892578125) internal successors, (1525), 1024 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) [2024-11-11 23:11:58,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1539 transitions. [2024-11-11 23:11:58,135 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1539 transitions. Word has length 314 [2024-11-11 23:11:58,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:11:58,136 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1539 transitions. [2024-11-11 23:11:58,136 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) [2024-11-11 23:11:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1539 transitions. [2024-11-11 23:11:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-11-11 23:11:58,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:11:58,140 INFO L218 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] [2024-11-11 23:11:58,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 23:11:58,141 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:11:58,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:11:58,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1047319170, now seen corresponding path program 1 times [2024-11-11 23:11:58,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:11:58,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478280515] [2024-11-11 23:11:58,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:11:58,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:11:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:59,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:11:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:59,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:11:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:59,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:11:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:59,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:11:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:59,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:11:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:59,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:11:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:59,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:11:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:11:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:11:59,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:11:59,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478280515] [2024-11-11 23:11:59,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478280515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:11:59,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:11:59,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:11:59,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732563490] [2024-11-11 23:11:59,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:11:59,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:11:59,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:11:59,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:11:59,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:11:59,270 INFO L87 Difference]: Start difference. First operand 1033 states and 1539 transitions. Second operand has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 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) [2024-11-11 23:11:59,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:11:59,502 INFO L93 Difference]: Finished difference Result 1884 states and 2806 transitions. [2024-11-11 23:11:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:11:59,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 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 315 [2024-11-11 23:11:59,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:11:59,507 INFO L225 Difference]: With dead ends: 1884 [2024-11-11 23:11:59,507 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:11:59,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:11:59,509 INFO L435 NwaCegarLoop]: 1441 mSDtfsCounter, 1286 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:11:59,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1286 Valid, 2884 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:11:59,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:11:59,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:11:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.48828125) internal successors, (1524), 1024 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) [2024-11-11 23:11:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1538 transitions. [2024-11-11 23:11:59,531 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1538 transitions. Word has length 315 [2024-11-11 23:11:59,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:11:59,532 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1538 transitions. [2024-11-11 23:11:59,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 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) [2024-11-11 23:11:59,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1538 transitions. [2024-11-11 23:11:59,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-11 23:11:59,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:11:59,536 INFO L218 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] [2024-11-11 23:11:59,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 23:11:59,537 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:11:59,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:11:59,538 INFO L85 PathProgramCache]: Analyzing trace with hash 273593939, now seen corresponding path program 1 times [2024-11-11 23:11:59,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:11:59,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959280865] [2024-11-11 23:11:59,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:11:59,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:11:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:00,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:00,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:00,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:00,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:00,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:00,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:00,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:00,310 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:00,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:00,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959280865] [2024-11-11 23:12:00,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959280865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:00,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:00,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:00,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555571906] [2024-11-11 23:12:00,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:00,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:00,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:00,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:00,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:00,317 INFO L87 Difference]: Start difference. First operand 1033 states and 1538 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) [2024-11-11 23:12:00,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:00,545 INFO L93 Difference]: Finished difference Result 1972 states and 2934 transitions. [2024-11-11 23:12:00,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 23:12:00,546 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 [2024-11-11 23:12:00,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:00,550 INFO L225 Difference]: With dead ends: 1972 [2024-11-11 23:12:00,551 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:00,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-11 23:12:00,553 INFO L435 NwaCegarLoop]: 1518 mSDtfsCounter, 1531 mSDsluCounter, 2967 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 4485 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:00,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 4485 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:00,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:00,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.4873046875) internal successors, (1523), 1024 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) [2024-11-11 23:12:00,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1537 transitions. [2024-11-11 23:12:00,580 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1537 transitions. Word has length 316 [2024-11-11 23:12:00,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:00,581 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1537 transitions. [2024-11-11 23:12:00,582 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) [2024-11-11 23:12:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1537 transitions. [2024-11-11 23:12:00,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-11-11 23:12:00,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:00,587 INFO L218 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] [2024-11-11 23:12:00,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 23:12:00,587 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:00,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:00,588 INFO L85 PathProgramCache]: Analyzing trace with hash 216684544, now seen corresponding path program 1 times [2024-11-11 23:12:00,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:00,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705220875] [2024-11-11 23:12:00,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:00,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:01,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:01,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:01,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:01,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:01,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:01,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:01,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:01,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:01,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705220875] [2024-11-11 23:12:01,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705220875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:01,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:01,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:01,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901252160] [2024-11-11 23:12:01,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:01,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:01,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:01,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:01,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:01,399 INFO L87 Difference]: Start difference. First operand 1033 states and 1537 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) [2024-11-11 23:12:01,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:01,624 INFO L93 Difference]: Finished difference Result 1884 states and 2802 transitions. [2024-11-11 23:12:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:01,625 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 [2024-11-11 23:12:01,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:01,630 INFO L225 Difference]: With dead ends: 1884 [2024-11-11 23:12:01,630 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:01,631 INFO L434 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 [2024-11-11 23:12:01,632 INFO L435 NwaCegarLoop]: 1441 mSDtfsCounter, 1513 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:01,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1520 Valid, 2895 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:01,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:01,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.486328125) internal successors, (1522), 1024 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) [2024-11-11 23:12:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1536 transitions. [2024-11-11 23:12:01,653 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1536 transitions. Word has length 317 [2024-11-11 23:12:01,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:01,654 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1536 transitions. [2024-11-11 23:12:01,655 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) [2024-11-11 23:12:01,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1536 transitions. [2024-11-11 23:12:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-11 23:12:01,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:01,659 INFO L218 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] [2024-11-11 23:12:01,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 23:12:01,659 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:01,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:01,660 INFO L85 PathProgramCache]: Analyzing trace with hash 167488044, now seen corresponding path program 1 times [2024-11-11 23:12:01,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:01,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924759723] [2024-11-11 23:12:01,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:01,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:02,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:02,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:02,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:02,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:02,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:02,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:02,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:02,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:02,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924759723] [2024-11-11 23:12:02,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924759723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:02,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:02,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:02,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594732111] [2024-11-11 23:12:02,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:02,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:02,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:02,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:02,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:02,334 INFO L87 Difference]: Start difference. First operand 1033 states and 1536 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) [2024-11-11 23:12:02,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:02,564 INFO L93 Difference]: Finished difference Result 1884 states and 2800 transitions. [2024-11-11 23:12:02,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:02,565 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 [2024-11-11 23:12:02,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:02,569 INFO L225 Difference]: With dead ends: 1884 [2024-11-11 23:12:02,569 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:02,571 INFO L434 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 [2024-11-11 23:12:02,573 INFO L435 NwaCegarLoop]: 1441 mSDtfsCounter, 1509 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:02,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1516 Valid, 2895 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:02,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:02,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.4853515625) internal successors, (1521), 1024 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) [2024-11-11 23:12:02,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1535 transitions. [2024-11-11 23:12:02,597 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1535 transitions. Word has length 318 [2024-11-11 23:12:02,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:02,598 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1535 transitions. [2024-11-11 23:12:02,598 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) [2024-11-11 23:12:02,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1535 transitions. [2024-11-11 23:12:02,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-11-11 23:12:02,600 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:02,600 INFO L218 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] [2024-11-11 23:12:02,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 23:12:02,600 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:02,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:02,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1498835463, now seen corresponding path program 1 times [2024-11-11 23:12:02,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:02,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76842106] [2024-11-11 23:12:02,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:02,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:03,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:03,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:03,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:03,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:03,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:03,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:03,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:03,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:03,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76842106] [2024-11-11 23:12:03,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76842106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:03,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:03,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:03,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267391982] [2024-11-11 23:12:03,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:03,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:03,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:03,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:03,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:03,203 INFO L87 Difference]: Start difference. First operand 1033 states and 1535 transitions. Second operand has 5 states, 5 states have (on average 57.4) internal successors, (287), 5 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) [2024-11-11 23:12:03,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:03,415 INFO L93 Difference]: Finished difference Result 1884 states and 2798 transitions. [2024-11-11 23:12:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:03,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 57.4) internal successors, (287), 5 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 [2024-11-11 23:12:03,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:03,421 INFO L225 Difference]: With dead ends: 1884 [2024-11-11 23:12:03,421 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:03,422 INFO L434 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 [2024-11-11 23:12:03,423 INFO L435 NwaCegarLoop]: 1441 mSDtfsCounter, 1505 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:03,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 2895 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:03,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:03,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.484375) internal successors, (1520), 1024 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) [2024-11-11 23:12:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1534 transitions. [2024-11-11 23:12:03,448 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1534 transitions. Word has length 319 [2024-11-11 23:12:03,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:03,448 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1534 transitions. [2024-11-11 23:12:03,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 57.4) internal successors, (287), 5 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) [2024-11-11 23:12:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1534 transitions. [2024-11-11 23:12:03,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-11 23:12:03,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:03,451 INFO L218 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] [2024-11-11 23:12:03,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-11 23:12:03,451 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:03,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:03,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2062804613, now seen corresponding path program 1 times [2024-11-11 23:12:03,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:03,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761365343] [2024-11-11 23:12:03,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:03,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:04,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:04,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:04,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:04,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:04,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:04,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:04,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:04,194 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:04,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:04,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761365343] [2024-11-11 23:12:04,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761365343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:04,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:04,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:04,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211064809] [2024-11-11 23:12:04,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:04,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:04,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:04,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:04,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:04,198 INFO L87 Difference]: Start difference. First operand 1033 states and 1534 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) [2024-11-11 23:12:04,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:04,412 INFO L93 Difference]: Finished difference Result 1884 states and 2796 transitions. [2024-11-11 23:12:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:04,413 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 [2024-11-11 23:12:04,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:04,419 INFO L225 Difference]: With dead ends: 1884 [2024-11-11 23:12:04,419 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:04,421 INFO L434 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 [2024-11-11 23:12:04,422 INFO L435 NwaCegarLoop]: 1441 mSDtfsCounter, 2743 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2750 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:04,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2750 Valid, 2884 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:04,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:04,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.4833984375) internal successors, (1519), 1024 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) [2024-11-11 23:12:04,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1533 transitions. [2024-11-11 23:12:04,446 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1533 transitions. Word has length 320 [2024-11-11 23:12:04,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:04,446 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1533 transitions. [2024-11-11 23:12:04,447 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) [2024-11-11 23:12:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1533 transitions. [2024-11-11 23:12:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-11 23:12:04,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:04,449 INFO L218 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] [2024-11-11 23:12:04,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 23:12:04,449 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:04,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:04,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1956066249, now seen corresponding path program 1 times [2024-11-11 23:12:04,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:04,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651230350] [2024-11-11 23:12:04,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:04,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:05,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:05,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651230350] [2024-11-11 23:12:05,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651230350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:05,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:05,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:05,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795023775] [2024-11-11 23:12:05,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:05,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:05,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:05,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:05,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:05,075 INFO L87 Difference]: Start difference. First operand 1033 states and 1533 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) [2024-11-11 23:12:05,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:05,281 INFO L93 Difference]: Finished difference Result 1884 states and 2794 transitions. [2024-11-11 23:12:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:05,282 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 [2024-11-11 23:12:05,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:05,287 INFO L225 Difference]: With dead ends: 1884 [2024-11-11 23:12:05,287 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:05,289 INFO L434 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 [2024-11-11 23:12:05,289 INFO L435 NwaCegarLoop]: 1441 mSDtfsCounter, 1458 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:05,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 2895 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:05,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:05,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.482421875) internal successors, (1518), 1024 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) [2024-11-11 23:12:05,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1532 transitions. [2024-11-11 23:12:05,310 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1532 transitions. Word has length 321 [2024-11-11 23:12:05,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:05,310 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1532 transitions. [2024-11-11 23:12:05,311 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) [2024-11-11 23:12:05,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1532 transitions. [2024-11-11 23:12:05,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-11 23:12:05,313 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:05,313 INFO L218 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] [2024-11-11 23:12:05,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 23:12:05,313 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:05,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:05,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1316073388, now seen corresponding path program 1 times [2024-11-11 23:12:05,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:05,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582707002] [2024-11-11 23:12:05,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:05,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:05,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:05,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582707002] [2024-11-11 23:12:05,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582707002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:05,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:05,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:05,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900791689] [2024-11-11 23:12:05,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:05,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:05,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:05,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:05,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:05,937 INFO L87 Difference]: Start difference. First operand 1033 states and 1532 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) [2024-11-11 23:12:06,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:06,138 INFO L93 Difference]: Finished difference Result 1884 states and 2792 transitions. [2024-11-11 23:12:06,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:06,139 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 [2024-11-11 23:12:06,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:06,144 INFO L225 Difference]: With dead ends: 1884 [2024-11-11 23:12:06,144 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:06,145 INFO L434 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 [2024-11-11 23:12:06,146 INFO L435 NwaCegarLoop]: 1441 mSDtfsCounter, 1454 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:06,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 2895 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:06,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:06,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:06,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.4814453125) internal successors, (1517), 1024 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) [2024-11-11 23:12:06,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1531 transitions. [2024-11-11 23:12:06,169 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1531 transitions. Word has length 322 [2024-11-11 23:12:06,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:06,170 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1531 transitions. [2024-11-11 23:12:06,170 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) [2024-11-11 23:12:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1531 transitions. [2024-11-11 23:12:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-11 23:12:06,173 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:06,173 INFO L218 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] [2024-11-11 23:12:06,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-11 23:12:06,174 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:06,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:06,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1735664770, now seen corresponding path program 1 times [2024-11-11 23:12:06,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:06,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754383853] [2024-11-11 23:12:06,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:06,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:06,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:06,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:06,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:06,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:06,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:06,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:07,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:07,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:07,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754383853] [2024-11-11 23:12:07,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754383853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:07,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:07,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:12:07,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984454422] [2024-11-11 23:12:07,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:07,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:12:07,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:07,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:12:07,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:12:07,006 INFO L87 Difference]: Start difference. First operand 1033 states and 1531 transitions. Second operand has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 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) [2024-11-11 23:12:07,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:07,130 INFO L93 Difference]: Finished difference Result 1884 states and 2790 transitions. [2024-11-11 23:12:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:07,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 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 [2024-11-11 23:12:07,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:07,135 INFO L225 Difference]: With dead ends: 1884 [2024-11-11 23:12:07,135 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:07,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:07,137 INFO L435 NwaCegarLoop]: 1473 mSDtfsCounter, 1283 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:07,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1283 Valid, 2948 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 23:12:07,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:07,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:07,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.4794921875) internal successors, (1515), 1024 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) [2024-11-11 23:12:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1529 transitions. [2024-11-11 23:12:07,164 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1529 transitions. Word has length 323 [2024-11-11 23:12:07,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:07,165 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1529 transitions. [2024-11-11 23:12:07,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 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) [2024-11-11 23:12:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1529 transitions. [2024-11-11 23:12:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-11 23:12:07,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:07,168 INFO L218 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] [2024-11-11 23:12:07,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-11 23:12:07,168 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:07,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:07,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1230620955, now seen corresponding path program 1 times [2024-11-11 23:12:07,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:07,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179742213] [2024-11-11 23:12:07,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:07,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:08,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:08,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:08,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:08,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:08,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:08,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:08,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:08,089 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:08,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:08,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179742213] [2024-11-11 23:12:08,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179742213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:08,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:08,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:08,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914670120] [2024-11-11 23:12:08,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:08,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:08,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:08,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:08,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:08,093 INFO L87 Difference]: Start difference. First operand 1033 states and 1529 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) [2024-11-11 23:12:08,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:08,239 INFO L93 Difference]: Finished difference Result 1970 states and 2909 transitions. [2024-11-11 23:12:08,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 23:12:08,240 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 [2024-11-11 23:12:08,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:08,244 INFO L225 Difference]: With dead ends: 1970 [2024-11-11 23:12:08,244 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:08,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-11 23:12:08,247 INFO L435 NwaCegarLoop]: 1514 mSDtfsCounter, 1524 mSDsluCounter, 2995 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 4509 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:08,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 4509 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 23:12:08,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:08,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.478515625) internal successors, (1514), 1024 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) [2024-11-11 23:12:08,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1528 transitions. [2024-11-11 23:12:08,275 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1528 transitions. Word has length 325 [2024-11-11 23:12:08,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:08,276 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1528 transitions. [2024-11-11 23:12:08,276 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) [2024-11-11 23:12:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1528 transitions. [2024-11-11 23:12:08,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-11 23:12:08,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:08,279 INFO L218 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] [2024-11-11 23:12:08,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-11 23:12:08,280 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:08,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:08,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1610317952, now seen corresponding path program 1 times [2024-11-11 23:12:08,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:08,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046437397] [2024-11-11 23:12:08,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:08,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:09,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:09,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:09,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:09,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:09,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:09,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:09,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:09,072 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:09,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:09,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046437397] [2024-11-11 23:12:09,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046437397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:09,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:09,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:09,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106589874] [2024-11-11 23:12:09,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:09,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:09,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:09,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:09,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:09,078 INFO L87 Difference]: Start difference. First operand 1033 states and 1528 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) [2024-11-11 23:12:09,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:09,213 INFO L93 Difference]: Finished difference Result 1884 states and 2784 transitions. [2024-11-11 23:12:09,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:09,214 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 [2024-11-11 23:12:09,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:09,218 INFO L225 Difference]: With dead ends: 1884 [2024-11-11 23:12:09,218 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:09,219 INFO L434 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 [2024-11-11 23:12:09,220 INFO L435 NwaCegarLoop]: 1473 mSDtfsCounter, 2831 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2838 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:09,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2838 Valid, 2948 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 23:12:09,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:09,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.4775390625) internal successors, (1513), 1024 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) [2024-11-11 23:12:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1527 transitions. [2024-11-11 23:12:09,247 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1527 transitions. Word has length 326 [2024-11-11 23:12:09,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:09,248 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1527 transitions. [2024-11-11 23:12:09,248 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) [2024-11-11 23:12:09,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1527 transitions. [2024-11-11 23:12:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-11 23:12:09,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:09,251 INFO L218 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] [2024-11-11 23:12:09,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-11 23:12:09,251 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:09,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:09,252 INFO L85 PathProgramCache]: Analyzing trace with hash 2038332450, now seen corresponding path program 1 times [2024-11-11 23:12:09,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:09,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293909962] [2024-11-11 23:12:09,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:09,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:10,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:10,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:10,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:10,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:10,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:10,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:10,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:10,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:10,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293909962] [2024-11-11 23:12:10,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293909962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:10,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:10,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:10,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508943900] [2024-11-11 23:12:10,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:10,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:10,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:10,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:10,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:10,069 INFO L87 Difference]: Start difference. First operand 1033 states and 1527 transitions. Second operand has 5 states, 5 states have (on average 59.0) internal successors, (295), 5 states have internal predecessors, (295), 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) [2024-11-11 23:12:10,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:10,216 INFO L93 Difference]: Finished difference Result 1884 states and 2782 transitions. [2024-11-11 23:12:10,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:10,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.0) internal successors, (295), 5 states have internal predecessors, (295), 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 327 [2024-11-11 23:12:10,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:10,221 INFO L225 Difference]: With dead ends: 1884 [2024-11-11 23:12:10,222 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:10,223 INFO L434 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 [2024-11-11 23:12:10,224 INFO L435 NwaCegarLoop]: 1473 mSDtfsCounter, 2721 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:10,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2728 Valid, 2948 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 23:12:10,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:10,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:10,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.4765625) internal successors, (1512), 1024 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) [2024-11-11 23:12:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1526 transitions. [2024-11-11 23:12:10,254 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1526 transitions. Word has length 327 [2024-11-11 23:12:10,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:10,255 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1526 transitions. [2024-11-11 23:12:10,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.0) internal successors, (295), 5 states have internal predecessors, (295), 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) [2024-11-11 23:12:10,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1526 transitions. [2024-11-11 23:12:10,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-11 23:12:10,257 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:10,258 INFO L218 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] [2024-11-11 23:12:10,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-11 23:12:10,258 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:10,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:10,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2009493777, now seen corresponding path program 1 times [2024-11-11 23:12:10,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:10,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540290073] [2024-11-11 23:12:10,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:10,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:11,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:11,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:11,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:11,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:11,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:11,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:11,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:11,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:11,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540290073] [2024-11-11 23:12:11,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540290073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:11,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:11,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:11,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788532967] [2024-11-11 23:12:11,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:11,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:11,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:11,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:11,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:11,537 INFO L87 Difference]: Start difference. First operand 1033 states and 1526 transitions. Second operand has 5 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 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) [2024-11-11 23:12:11,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:11,753 INFO L93 Difference]: Finished difference Result 1884 states and 2780 transitions. [2024-11-11 23:12:11,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:11,754 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), 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 328 [2024-11-11 23:12:11,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:11,762 INFO L225 Difference]: With dead ends: 1884 [2024-11-11 23:12:11,762 INFO L226 Difference]: Without dead ends: 1033 [2024-11-11 23:12:11,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-11 23:12:11,764 INFO L435 NwaCegarLoop]: 1436 mSDtfsCounter, 1325 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1325 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:11,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1325 Valid, 2874 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:11,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-11 23:12:11,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2024-11-11 23:12:11,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.4755859375) internal successors, (1511), 1024 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) [2024-11-11 23:12:11,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1525 transitions. [2024-11-11 23:12:11,786 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1525 transitions. Word has length 328 [2024-11-11 23:12:11,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:11,787 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1525 transitions. [2024-11-11 23:12:11,787 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), 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) [2024-11-11 23:12:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1525 transitions. [2024-11-11 23:12:11,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-11 23:12:11,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:11,790 INFO L218 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] [2024-11-11 23:12:11,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-11 23:12:11,790 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:11,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:11,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1165767859, now seen corresponding path program 1 times [2024-11-11 23:12:11,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:11,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8799887] [2024-11-11 23:12:11,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:11,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:13,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:13,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:13,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 23:12:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:13,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 23:12:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:13,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 23:12:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:13,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 23:12:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:13,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 23:12:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:13,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:13,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8799887] [2024-11-11 23:12:13,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8799887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:13,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:13,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 23:12:13,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014895403] [2024-11-11 23:12:13,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:13,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 23:12:13,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:13,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 23:12:13,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 23:12:13,238 INFO L87 Difference]: Start difference. First operand 1033 states and 1525 transitions. Second operand has 6 states, 6 states have (on average 49.5) internal successors, (297), 6 states have internal predecessors, (297), 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) [2024-11-11 23:12:13,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:13,831 INFO L93 Difference]: Finished difference Result 2820 states and 4160 transitions. [2024-11-11 23:12:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 23:12:13,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 49.5) internal successors, (297), 6 states have internal predecessors, (297), 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 329 [2024-11-11 23:12:13,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:13,839 INFO L225 Difference]: With dead ends: 2820 [2024-11-11 23:12:13,839 INFO L226 Difference]: Without dead ends: 1869 [2024-11-11 23:12:13,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-11 23:12:13,842 INFO L435 NwaCegarLoop]: 1575 mSDtfsCounter, 1316 mSDsluCounter, 5803 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 7378 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:13,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 7378 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-11 23:12:13,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2024-11-11 23:12:13,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1092. [2024-11-11 23:12:13,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1081 states have (on average 1.4745605920444034) internal successors, (1594), 1081 states have internal predecessors, (1594), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-11 23:12:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1612 transitions. [2024-11-11 23:12:13,879 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1612 transitions. Word has length 329 [2024-11-11 23:12:13,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:13,880 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1612 transitions. [2024-11-11 23:12:13,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.5) internal successors, (297), 6 states have internal predecessors, (297), 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) [2024-11-11 23:12:13,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1612 transitions. [2024-11-11 23:12:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-11 23:12:13,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:13,885 INFO L218 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] [2024-11-11 23:12:13,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-11 23:12:13,885 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:13,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:13,886 INFO L85 PathProgramCache]: Analyzing trace with hash -523301427, now seen corresponding path program 1 times [2024-11-11 23:12:13,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:13,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187422630] [2024-11-11 23:12:13,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:13,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:15,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:15,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:15,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 23:12:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:15,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 23:12:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:15,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-11 23:12:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:15,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-11 23:12:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:15,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-11 23:12:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:15,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:15,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187422630] [2024-11-11 23:12:15,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187422630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:15,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:15,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:15,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190959552] [2024-11-11 23:12:15,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:15,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:15,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:15,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:15,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:15,180 INFO L87 Difference]: Start difference. First operand 1092 states and 1612 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) [2024-11-11 23:12:15,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:15,409 INFO L93 Difference]: Finished difference Result 1943 states and 2865 transitions. [2024-11-11 23:12:15,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:15,410 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 [2024-11-11 23:12:15,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:15,415 INFO L225 Difference]: With dead ends: 1943 [2024-11-11 23:12:15,415 INFO L226 Difference]: Without dead ends: 1092 [2024-11-11 23:12:15,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-11 23:12:15,418 INFO L435 NwaCegarLoop]: 1436 mSDtfsCounter, 1320 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:15,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 2885 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:15,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-11 23:12:15,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2024-11-11 23:12:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1081 states have (on average 1.4736355226641997) internal successors, (1593), 1081 states have internal predecessors, (1593), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-11 23:12:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1611 transitions. [2024-11-11 23:12:15,444 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1611 transitions. Word has length 330 [2024-11-11 23:12:15,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:15,447 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1611 transitions. [2024-11-11 23:12:15,447 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) [2024-11-11 23:12:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1611 transitions. [2024-11-11 23:12:15,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-11 23:12:15,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:15,450 INFO L218 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] [2024-11-11 23:12:15,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-11 23:12:15,450 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:15,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:15,451 INFO L85 PathProgramCache]: Analyzing trace with hash 416735728, now seen corresponding path program 1 times [2024-11-11 23:12:15,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:15,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076377469] [2024-11-11 23:12:15,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:15,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:16,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:16,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:16,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 23:12:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:16,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 23:12:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:16,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-11 23:12:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:16,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-11 23:12:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:16,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-11 23:12:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:16,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:16,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076377469] [2024-11-11 23:12:16,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076377469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:16,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:16,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:16,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797115852] [2024-11-11 23:12:16,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:16,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:16,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:16,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:16,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:16,447 INFO L87 Difference]: Start difference. First operand 1092 states and 1611 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) [2024-11-11 23:12:16,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:16,663 INFO L93 Difference]: Finished difference Result 1943 states and 2863 transitions. [2024-11-11 23:12:16,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:16,664 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 [2024-11-11 23:12:16,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:16,669 INFO L225 Difference]: With dead ends: 1943 [2024-11-11 23:12:16,669 INFO L226 Difference]: Without dead ends: 1092 [2024-11-11 23:12:16,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-11 23:12:16,671 INFO L435 NwaCegarLoop]: 1436 mSDtfsCounter, 1319 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:16,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 2885 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:16,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-11 23:12:16,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2024-11-11 23:12:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1081 states have (on average 1.4727104532839963) internal successors, (1592), 1081 states have internal predecessors, (1592), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-11 23:12:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1610 transitions. [2024-11-11 23:12:16,696 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1610 transitions. Word has length 331 [2024-11-11 23:12:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:16,696 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1610 transitions. [2024-11-11 23:12:16,697 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) [2024-11-11 23:12:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1610 transitions. [2024-11-11 23:12:16,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-11 23:12:16,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:16,699 INFO L218 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] [2024-11-11 23:12:16,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-11 23:12:16,699 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:16,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:16,700 INFO L85 PathProgramCache]: Analyzing trace with hash -416540660, now seen corresponding path program 1 times [2024-11-11 23:12:16,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:16,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084124355] [2024-11-11 23:12:16,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:16,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:17,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:17,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:17,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 23:12:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:17,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 23:12:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:17,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-11 23:12:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:17,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-11 23:12:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:17,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-11 23:12:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:17,827 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:17,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:17,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084124355] [2024-11-11 23:12:17,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084124355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:17,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:17,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:17,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558296339] [2024-11-11 23:12:17,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:17,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:17,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:17,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:17,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:17,831 INFO L87 Difference]: Start difference. First operand 1092 states and 1610 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) [2024-11-11 23:12:18,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:18,077 INFO L93 Difference]: Finished difference Result 1943 states and 2861 transitions. [2024-11-11 23:12:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:18,077 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 [2024-11-11 23:12:18,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:18,082 INFO L225 Difference]: With dead ends: 1943 [2024-11-11 23:12:18,082 INFO L226 Difference]: Without dead ends: 1092 [2024-11-11 23:12:18,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-11 23:12:18,085 INFO L435 NwaCegarLoop]: 1436 mSDtfsCounter, 2579 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:18,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 2874 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:18,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-11 23:12:18,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2024-11-11 23:12:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1081 states have (on average 1.4717853839037929) internal successors, (1591), 1081 states have internal predecessors, (1591), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-11 23:12:18,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1609 transitions. [2024-11-11 23:12:18,114 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1609 transitions. Word has length 332 [2024-11-11 23:12:18,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:18,115 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1609 transitions. [2024-11-11 23:12:18,115 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) [2024-11-11 23:12:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1609 transitions. [2024-11-11 23:12:18,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-11-11 23:12:18,119 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:18,119 INFO L218 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] [2024-11-11 23:12:18,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-11 23:12:18,119 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:18,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:18,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1385818751, now seen corresponding path program 1 times [2024-11-11 23:12:18,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:18,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132674321] [2024-11-11 23:12:18,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:18,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:19,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:19,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:19,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 23:12:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:19,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 23:12:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:19,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-11 23:12:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:19,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-11 23:12:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:19,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-11 23:12:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:19,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:19,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132674321] [2024-11-11 23:12:19,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132674321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:19,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:19,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:19,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082069731] [2024-11-11 23:12:19,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:19,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:19,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:19,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:19,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:19,809 INFO L87 Difference]: Start difference. First operand 1092 states and 1609 transitions. Second operand has 5 states, 5 states have (on average 60.2) internal successors, (301), 5 states have internal predecessors, (301), 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) [2024-11-11 23:12:20,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:20,602 INFO L93 Difference]: Finished difference Result 1947 states and 2865 transitions. [2024-11-11 23:12:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 23:12:20,602 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), 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 333 [2024-11-11 23:12:20,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:20,610 INFO L225 Difference]: With dead ends: 1947 [2024-11-11 23:12:20,611 INFO L226 Difference]: Without dead ends: 1096 [2024-11-11 23:12:20,613 INFO L434 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 [2024-11-11 23:12:20,613 INFO L435 NwaCegarLoop]: 1139 mSDtfsCounter, 1446 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 3384 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:20,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 3384 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 23:12:20,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2024-11-11 23:12:20,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1094. [2024-11-11 23:12:20,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 1083 states have (on average 1.4709141274238227) internal successors, (1593), 1083 states have internal predecessors, (1593), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-11 23:12:20,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1611 transitions. [2024-11-11 23:12:20,642 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1611 transitions. Word has length 333 [2024-11-11 23:12:20,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:20,642 INFO L471 AbstractCegarLoop]: Abstraction has 1094 states and 1611 transitions. [2024-11-11 23:12:20,643 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), 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) [2024-11-11 23:12:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1611 transitions. [2024-11-11 23:12:20,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-11 23:12:20,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:20,646 INFO L218 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] [2024-11-11 23:12:20,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-11 23:12:20,646 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:20,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:20,647 INFO L85 PathProgramCache]: Analyzing trace with hash -667826404, now seen corresponding path program 1 times [2024-11-11 23:12:20,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:20,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426832885] [2024-11-11 23:12:20,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:20,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:21,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:21,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 23:12:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:21,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 23:12:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:21,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-11 23:12:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:21,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-11 23:12:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:21,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-11 23:12:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:21,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:21,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426832885] [2024-11-11 23:12:21,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426832885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:21,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:21,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:21,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74300307] [2024-11-11 23:12:21,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:21,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:21,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:21,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:21,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:21,697 INFO L87 Difference]: Start difference. First operand 1094 states and 1611 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) [2024-11-11 23:12:21,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:21,928 INFO L93 Difference]: Finished difference Result 1947 states and 2863 transitions. [2024-11-11 23:12:21,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:21,929 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 [2024-11-11 23:12:21,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:21,937 INFO L225 Difference]: With dead ends: 1947 [2024-11-11 23:12:21,937 INFO L226 Difference]: Without dead ends: 1094 [2024-11-11 23:12:21,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-11 23:12:21,941 INFO L435 NwaCegarLoop]: 1436 mSDtfsCounter, 2571 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:21,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 2874 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:21,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2024-11-11 23:12:21,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1094. [2024-11-11 23:12:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 1083 states have (on average 1.4699907663896583) internal successors, (1592), 1083 states have internal predecessors, (1592), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-11 23:12:21,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1610 transitions. [2024-11-11 23:12:21,970 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1610 transitions. Word has length 334 [2024-11-11 23:12:21,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:21,971 INFO L471 AbstractCegarLoop]: Abstraction has 1094 states and 1610 transitions. [2024-11-11 23:12:21,971 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) [2024-11-11 23:12:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1610 transitions. [2024-11-11 23:12:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-11 23:12:21,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:21,974 INFO L218 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] [2024-11-11 23:12:21,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-11 23:12:21,974 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:21,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:21,975 INFO L85 PathProgramCache]: Analyzing trace with hash -74773262, now seen corresponding path program 1 times [2024-11-11 23:12:21,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:21,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746050422] [2024-11-11 23:12:21,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:21,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:22,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:22,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:22,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 23:12:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:22,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 23:12:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:22,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-11 23:12:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:22,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-11 23:12:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:22,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-11 23:12:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:22,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:22,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746050422] [2024-11-11 23:12:22,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746050422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:22,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:22,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:22,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140416780] [2024-11-11 23:12:22,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:22,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:22,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:22,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:22,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:22,973 INFO L87 Difference]: Start difference. First operand 1094 states and 1610 transitions. Second operand has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 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) [2024-11-11 23:12:23,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:23,207 INFO L93 Difference]: Finished difference Result 1947 states and 2861 transitions. [2024-11-11 23:12:23,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:23,208 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), 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 335 [2024-11-11 23:12:23,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:23,212 INFO L225 Difference]: With dead ends: 1947 [2024-11-11 23:12:23,212 INFO L226 Difference]: Without dead ends: 1094 [2024-11-11 23:12:23,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-11 23:12:23,214 INFO L435 NwaCegarLoop]: 1436 mSDtfsCounter, 2565 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2565 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:23,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2565 Valid, 2874 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:12:23,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2024-11-11 23:12:23,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1094. [2024-11-11 23:12:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 1083 states have (on average 1.469067405355494) internal successors, (1591), 1083 states have internal predecessors, (1591), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-11 23:12:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1609 transitions. [2024-11-11 23:12:23,245 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1609 transitions. Word has length 335 [2024-11-11 23:12:23,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:23,246 INFO L471 AbstractCegarLoop]: Abstraction has 1094 states and 1609 transitions. [2024-11-11 23:12:23,249 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), 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) [2024-11-11 23:12:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1609 transitions. [2024-11-11 23:12:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-11 23:12:23,252 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:23,252 INFO L218 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] [2024-11-11 23:12:23,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-11 23:12:23,252 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:23,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:23,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1925516037, now seen corresponding path program 1 times [2024-11-11 23:12:23,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:23,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101730976] [2024-11-11 23:12:23,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:23,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:24,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:24,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:24,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 23:12:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:24,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 23:12:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:24,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-11 23:12:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:24,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-11 23:12:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:24,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-11 23:12:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:24,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:24,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101730976] [2024-11-11 23:12:24,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101730976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:24,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:24,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:24,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950468152] [2024-11-11 23:12:24,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:24,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:24,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:24,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:24,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:24,536 INFO L87 Difference]: Start difference. First operand 1094 states and 1609 transitions. Second operand has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 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) [2024-11-11 23:12:25,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:25,303 INFO L93 Difference]: Finished difference Result 1951 states and 2865 transitions. [2024-11-11 23:12:25,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 23:12:25,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 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 336 [2024-11-11 23:12:25,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:25,308 INFO L225 Difference]: With dead ends: 1951 [2024-11-11 23:12:25,312 INFO L226 Difference]: Without dead ends: 1098 [2024-11-11 23:12:25,316 INFO L434 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 [2024-11-11 23:12:25,316 INFO L435 NwaCegarLoop]: 1137 mSDtfsCounter, 1385 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1387 SdHoareTripleChecker+Valid, 3400 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:25,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1387 Valid, 3400 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 23:12:25,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2024-11-11 23:12:25,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1096. [2024-11-11 23:12:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 1085 states have (on average 1.4682027649769585) internal successors, (1593), 1085 states have internal predecessors, (1593), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-11 23:12:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1611 transitions. [2024-11-11 23:12:25,342 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1611 transitions. Word has length 336 [2024-11-11 23:12:25,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:25,343 INFO L471 AbstractCegarLoop]: Abstraction has 1096 states and 1611 transitions. [2024-11-11 23:12:25,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 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) [2024-11-11 23:12:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1611 transitions. [2024-11-11 23:12:25,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-11 23:12:25,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:25,345 INFO L218 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] [2024-11-11 23:12:25,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-11 23:12:25,346 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:25,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:25,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1647311027, now seen corresponding path program 1 times [2024-11-11 23:12:25,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:25,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262944940] [2024-11-11 23:12:25,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:25,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:26,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:26,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:26,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 23:12:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:26,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 23:12:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:26,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-11 23:12:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:26,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-11 23:12:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:26,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-11 23:12:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:26,300 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:26,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:26,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262944940] [2024-11-11 23:12:26,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262944940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:26,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:26,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:12:26,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136746534] [2024-11-11 23:12:26,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:26,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:12:26,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:26,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:12:26,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:12:26,303 INFO L87 Difference]: Start difference. First operand 1096 states and 1611 transitions. Second operand has 4 states, 4 states have (on average 76.25) internal successors, (305), 4 states have internal predecessors, (305), 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) [2024-11-11 23:12:26,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:26,430 INFO L93 Difference]: Finished difference Result 1951 states and 2863 transitions. [2024-11-11 23:12:26,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:26,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.25) internal successors, (305), 4 states have internal predecessors, (305), 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 337 [2024-11-11 23:12:26,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:26,434 INFO L225 Difference]: With dead ends: 1951 [2024-11-11 23:12:26,434 INFO L226 Difference]: Without dead ends: 1096 [2024-11-11 23:12:26,436 INFO L434 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 [2024-11-11 23:12:26,436 INFO L435 NwaCegarLoop]: 1467 mSDtfsCounter, 1321 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:26,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 2936 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 23:12:26,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2024-11-11 23:12:26,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1096. [2024-11-11 23:12:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 1085 states have (on average 1.4672811059907833) internal successors, (1592), 1085 states have internal predecessors, (1592), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-11 23:12:26,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1610 transitions. [2024-11-11 23:12:26,464 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1610 transitions. Word has length 337 [2024-11-11 23:12:26,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:26,464 INFO L471 AbstractCegarLoop]: Abstraction has 1096 states and 1610 transitions. [2024-11-11 23:12:26,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.25) internal successors, (305), 4 states have internal predecessors, (305), 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) [2024-11-11 23:12:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1610 transitions. [2024-11-11 23:12:26,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-11 23:12:26,467 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:26,467 INFO L218 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] [2024-11-11 23:12:26,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-11 23:12:26,468 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:26,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:26,468 INFO L85 PathProgramCache]: Analyzing trace with hash 419918693, now seen corresponding path program 1 times [2024-11-11 23:12:26,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:26,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117015168] [2024-11-11 23:12:26,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:26,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:28,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:28,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:28,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 23:12:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:28,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 23:12:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:28,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-11 23:12:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:28,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-11 23:12:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:28,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-11 23:12:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:28,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:28,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117015168] [2024-11-11 23:12:28,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117015168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:28,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:28,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-11 23:12:28,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036554054] [2024-11-11 23:12:28,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:28,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 23:12:28,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:28,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 23:12:28,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-11 23:12:28,060 INFO L87 Difference]: Start difference. First operand 1096 states and 1610 transitions. Second operand has 9 states, 9 states have (on average 34.0) internal successors, (306), 9 states have internal predecessors, (306), 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) [2024-11-11 23:12:29,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:29,363 INFO L93 Difference]: Finished difference Result 1963 states and 2879 transitions. [2024-11-11 23:12:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 23:12:29,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 34.0) internal successors, (306), 9 states have internal predecessors, (306), 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 338 [2024-11-11 23:12:29,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:29,366 INFO L225 Difference]: With dead ends: 1963 [2024-11-11 23:12:29,366 INFO L226 Difference]: Without dead ends: 1108 [2024-11-11 23:12:29,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-11 23:12:29,368 INFO L435 NwaCegarLoop]: 1126 mSDtfsCounter, 1501 mSDsluCounter, 6681 mSDsCounter, 0 mSdLazyCounter, 2775 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 7807 SdHoareTripleChecker+Invalid, 2778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:29,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 7807 Invalid, 2778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2775 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 23:12:29,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2024-11-11 23:12:29,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1104. [2024-11-11 23:12:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 1093 states have (on average 1.4666056724611163) internal successors, (1603), 1093 states have internal predecessors, (1603), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-11 23:12:29,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1621 transitions. [2024-11-11 23:12:29,390 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1621 transitions. Word has length 338 [2024-11-11 23:12:29,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:29,391 INFO L471 AbstractCegarLoop]: Abstraction has 1104 states and 1621 transitions. [2024-11-11 23:12:29,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 34.0) internal successors, (306), 9 states have internal predecessors, (306), 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) [2024-11-11 23:12:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1621 transitions. [2024-11-11 23:12:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-11 23:12:29,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:29,394 INFO L218 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] [2024-11-11 23:12:29,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-11 23:12:29,394 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:29,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:29,395 INFO L85 PathProgramCache]: Analyzing trace with hash -565758654, now seen corresponding path program 1 times [2024-11-11 23:12:29,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:29,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564891437] [2024-11-11 23:12:29,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:29,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:31,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:31,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:31,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-11 23:12:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:31,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-11 23:12:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:31,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-11 23:12:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:31,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 23:12:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:31,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-11 23:12:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:31,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:31,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564891437] [2024-11-11 23:12:31,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564891437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:31,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:31,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 23:12:31,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777243123] [2024-11-11 23:12:31,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:31,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-11 23:12:31,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:31,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-11 23:12:31,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-11 23:12:31,393 INFO L87 Difference]: Start difference. First operand 1104 states and 1621 transitions. Second operand has 11 states, 11 states have (on average 27.90909090909091) internal successors, (307), 11 states have internal predecessors, (307), 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) [2024-11-11 23:12:33,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:33,190 INFO L93 Difference]: Finished difference Result 3053 states and 4475 transitions. [2024-11-11 23:12:33,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 23:12:33,191 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 27.90909090909091) internal successors, (307), 11 states have internal predecessors, (307), 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 339 [2024-11-11 23:12:33,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:33,198 INFO L225 Difference]: With dead ends: 3053 [2024-11-11 23:12:33,199 INFO L226 Difference]: Without dead ends: 2190 [2024-11-11 23:12:33,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-11 23:12:33,202 INFO L435 NwaCegarLoop]: 1240 mSDtfsCounter, 5027 mSDsluCounter, 8703 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5043 SdHoareTripleChecker+Valid, 9943 SdHoareTripleChecker+Invalid, 2838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:33,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5043 Valid, 9943 Invalid, 2838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-11 23:12:33,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2024-11-11 23:12:33,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 1391. [2024-11-11 23:12:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1369 states have (on average 1.4660336011687363) internal successors, (2007), 1369 states have internal predecessors, (2007), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-11 23:12:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 2047 transitions. [2024-11-11 23:12:33,253 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 2047 transitions. Word has length 339 [2024-11-11 23:12:33,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:33,254 INFO L471 AbstractCegarLoop]: Abstraction has 1391 states and 2047 transitions. [2024-11-11 23:12:33,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 27.90909090909091) internal successors, (307), 11 states have internal predecessors, (307), 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) [2024-11-11 23:12:33,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2047 transitions. [2024-11-11 23:12:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-11 23:12:33,257 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:33,257 INFO L218 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] [2024-11-11 23:12:33,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-11 23:12:33,258 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:33,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:33,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1676034443, now seen corresponding path program 1 times [2024-11-11 23:12:33,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:33,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296264271] [2024-11-11 23:12:33,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:33,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:35,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:35,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:35,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-11 23:12:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:35,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-11 23:12:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:35,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-11 23:12:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:35,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 23:12:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:35,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-11 23:12:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-11 23:12:35,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:35,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296264271] [2024-11-11 23:12:35,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296264271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:35,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:35,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 23:12:35,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563125374] [2024-11-11 23:12:35,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:35,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 23:12:35,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:35,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 23:12:35,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 23:12:35,442 INFO L87 Difference]: Start difference. First operand 1391 states and 2047 transitions. Second operand has 7 states, 7 states have (on average 44.0) internal successors, (308), 7 states have internal predecessors, (308), 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) [2024-11-11 23:12:35,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:35,659 INFO L93 Difference]: Finished difference Result 2622 states and 3836 transitions. [2024-11-11 23:12:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 23:12:35,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 44.0) internal successors, (308), 7 states have internal predecessors, (308), 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 340 [2024-11-11 23:12:35,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:35,664 INFO L225 Difference]: With dead ends: 2622 [2024-11-11 23:12:35,664 INFO L226 Difference]: Without dead ends: 1759 [2024-11-11 23:12:35,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-11 23:12:35,667 INFO L435 NwaCegarLoop]: 1495 mSDtfsCounter, 2515 mSDsluCounter, 5968 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2522 SdHoareTripleChecker+Valid, 7463 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:35,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2522 Valid, 7463 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 23:12:35,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2024-11-11 23:12:35,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1759. [2024-11-11 23:12:35,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1759 states, 1730 states have (on average 1.4560693641618496) internal successors, (2519), 1730 states have internal predecessors, (2519), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-11 23:12:35,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2573 transitions. [2024-11-11 23:12:35,717 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2573 transitions. Word has length 340 [2024-11-11 23:12:35,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:35,717 INFO L471 AbstractCegarLoop]: Abstraction has 1759 states and 2573 transitions. [2024-11-11 23:12:35,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.0) internal successors, (308), 7 states have internal predecessors, (308), 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) [2024-11-11 23:12:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2573 transitions. [2024-11-11 23:12:35,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2024-11-11 23:12:35,726 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:35,727 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 23:12:35,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-11 23:12:35,727 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:35,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:35,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1759352693, now seen corresponding path program 1 times [2024-11-11 23:12:35,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:35,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298145813] [2024-11-11 23:12:35,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:35,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-11 23:12:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-11 23:12:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-11 23:12:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 23:12:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-11 23:12:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-11-11 23:12:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-11-11 23:12:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2024-11-11 23:12:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-11-11 23:12:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2024-11-11 23:12:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2024-11-11 23:12:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2024-11-11 23:12:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-11 23:12:37,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:37,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298145813] [2024-11-11 23:12:37,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298145813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:37,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:37,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:37,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011367930] [2024-11-11 23:12:37,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:37,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:37,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:37,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:37,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:37,514 INFO L87 Difference]: Start difference. First operand 1759 states and 2573 transitions. Second operand has 5 states, 5 states have (on average 151.0) internal successors, (755), 5 states have internal predecessors, (755), 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) [2024-11-11 23:12:37,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:37,706 INFO L93 Difference]: Finished difference Result 2622 states and 3835 transitions. [2024-11-11 23:12:37,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:37,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 151.0) internal successors, (755), 5 states have internal predecessors, (755), 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 822 [2024-11-11 23:12:37,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:37,711 INFO L225 Difference]: With dead ends: 2622 [2024-11-11 23:12:37,712 INFO L226 Difference]: Without dead ends: 1759 [2024-11-11 23:12:37,714 INFO L434 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 [2024-11-11 23:12:37,714 INFO L435 NwaCegarLoop]: 1435 mSDtfsCounter, 2486 mSDsluCounter, 1437 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2493 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:37,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2493 Valid, 2872 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 23:12:37,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2024-11-11 23:12:37,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1759. [2024-11-11 23:12:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1759 states, 1730 states have (on average 1.455491329479769) internal successors, (2518), 1730 states have internal predecessors, (2518), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-11 23:12:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2572 transitions. [2024-11-11 23:12:37,759 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2572 transitions. Word has length 822 [2024-11-11 23:12:37,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:37,760 INFO L471 AbstractCegarLoop]: Abstraction has 1759 states and 2572 transitions. [2024-11-11 23:12:37,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 151.0) internal successors, (755), 5 states have internal predecessors, (755), 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) [2024-11-11 23:12:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2572 transitions. [2024-11-11 23:12:37,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2024-11-11 23:12:37,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:37,768 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 23:12:37,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-11 23:12:37,769 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:37,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:37,770 INFO L85 PathProgramCache]: Analyzing trace with hash 2135523938, now seen corresponding path program 1 times [2024-11-11 23:12:37,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:37,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21831558] [2024-11-11 23:12:37,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:37,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-11 23:12:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-11 23:12:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-11 23:12:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 23:12:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-11 23:12:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2024-11-11 23:12:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-11 23:12:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2024-11-11 23:12:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2024-11-11 23:12:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2024-11-11 23:12:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2024-11-11 23:12:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2024-11-11 23:12:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-11 23:12:39,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:39,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21831558] [2024-11-11 23:12:39,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21831558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:39,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:39,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:39,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003577723] [2024-11-11 23:12:39,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:39,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:39,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:39,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:39,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:39,809 INFO L87 Difference]: Start difference. First operand 1759 states and 2572 transitions. Second operand has 5 states, 5 states have (on average 151.2) internal successors, (756), 5 states have internal predecessors, (756), 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) [2024-11-11 23:12:39,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:39,979 INFO L93 Difference]: Finished difference Result 2622 states and 3833 transitions. [2024-11-11 23:12:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:39,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 151.2) internal successors, (756), 5 states have internal predecessors, (756), 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 823 [2024-11-11 23:12:39,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:39,986 INFO L225 Difference]: With dead ends: 2622 [2024-11-11 23:12:39,986 INFO L226 Difference]: Without dead ends: 1759 [2024-11-11 23:12:39,990 INFO L434 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 [2024-11-11 23:12:39,990 INFO L435 NwaCegarLoop]: 1435 mSDtfsCounter, 1329 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 2883 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:39,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 2883 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 23:12:39,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2024-11-11 23:12:40,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1759. [2024-11-11 23:12:40,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1759 states, 1730 states have (on average 1.454913294797688) internal successors, (2517), 1730 states have internal predecessors, (2517), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-11 23:12:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2571 transitions. [2024-11-11 23:12:40,035 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2571 transitions. Word has length 823 [2024-11-11 23:12:40,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:40,037 INFO L471 AbstractCegarLoop]: Abstraction has 1759 states and 2571 transitions. [2024-11-11 23:12:40,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 151.2) internal successors, (756), 5 states have internal predecessors, (756), 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) [2024-11-11 23:12:40,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2571 transitions. [2024-11-11 23:12:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2024-11-11 23:12:40,045 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:40,045 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 23:12:40,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-11 23:12:40,046 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:40,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:40,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1420284352, now seen corresponding path program 1 times [2024-11-11 23:12:40,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:40,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842984887] [2024-11-11 23:12:40,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:40,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:12:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 23:12:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 23:12:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-11 23:12:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-11 23:12:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-11 23:12:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 23:12:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-11 23:12:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2024-11-11 23:12:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-11 23:12:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2024-11-11 23:12:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2024-11-11 23:12:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2024-11-11 23:12:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2024-11-11 23:12:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2024-11-11 23:12:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:12:41,528 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-11 23:12:41,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:12:41,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842984887] [2024-11-11 23:12:41,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842984887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:12:41,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:12:41,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:12:41,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394938585] [2024-11-11 23:12:41,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:12:41,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:12:41,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:12:41,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:12:41,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:12:41,531 INFO L87 Difference]: Start difference. First operand 1759 states and 2571 transitions. Second operand has 5 states, 5 states have (on average 151.4) internal successors, (757), 5 states have internal predecessors, (757), 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) [2024-11-11 23:12:41,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:12:41,693 INFO L93 Difference]: Finished difference Result 2622 states and 3831 transitions. [2024-11-11 23:12:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:12:41,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 151.4) internal successors, (757), 5 states have internal predecessors, (757), 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 824 [2024-11-11 23:12:41,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:12:41,697 INFO L225 Difference]: With dead ends: 2622 [2024-11-11 23:12:41,697 INFO L226 Difference]: Without dead ends: 1759 [2024-11-11 23:12:41,699 INFO L434 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 [2024-11-11 23:12:41,699 INFO L435 NwaCegarLoop]: 1435 mSDtfsCounter, 1321 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 2883 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 23:12:41,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 2883 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 23:12:41,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2024-11-11 23:12:41,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1759. [2024-11-11 23:12:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1759 states, 1730 states have (on average 1.454335260115607) internal successors, (2516), 1730 states have internal predecessors, (2516), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-11 23:12:41,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2570 transitions. [2024-11-11 23:12:41,740 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2570 transitions. Word has length 824 [2024-11-11 23:12:41,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:12:41,741 INFO L471 AbstractCegarLoop]: Abstraction has 1759 states and 2570 transitions. [2024-11-11 23:12:41,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 151.4) internal successors, (757), 5 states have internal predecessors, (757), 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) [2024-11-11 23:12:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2570 transitions. [2024-11-11 23:12:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2024-11-11 23:12:41,750 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:12:41,751 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 23:12:41,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-11 23:12:41,751 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:12:41,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:12:41,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1220667149, now seen corresponding path program 1 times [2024-11-11 23:12:41,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:12:41,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614127730] [2024-11-11 23:12:41,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:12:41,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms