./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal6.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.cal6.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 965536a1eccbb3950fb02708c11ed62fda8db430ae4f769dc023e63105c711ca --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 23:41:58,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 23:41:58,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-11 23:41:58,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 23:41:58,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 23:41:58,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 23:41:58,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 23:41:58,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 23:41:58,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 23:41:58,851 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 23:41:58,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 23:41:58,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 23:41:58,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 23:41:58,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 23:41:58,857 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 23:41:58,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 23:41:58,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 23:41:58,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 23:41:58,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 23:41:58,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 23:41:58,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 23:41:58,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 23:41:58,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 23:41:58,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 23:41:58,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 23:41:58,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 23:41:58,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 23:41:58,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 23:41:58,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 23:41:58,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 23:41:58,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 23:41:58,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 23:41:58,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 23:41:58,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 23:41:58,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 23:41:58,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 23:41:58,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 23:41:58,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 23:41:58,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 23:41:58,863 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 965536a1eccbb3950fb02708c11ed62fda8db430ae4f769dc023e63105c711ca [2024-11-11 23:41:59,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 23:41:59,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 23:41:59,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 23:41:59,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 23:41:59,111 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 23:41:59,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal6.c [2024-11-11 23:42:00,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 23:42:00,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 23:42:00,760 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal6.c [2024-11-11 23:42:00,811 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ad2c65b/be9b660818ea4448aa9010710f76ec7a/FLAG1e2d9bed1 [2024-11-11 23:42:00,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ad2c65b/be9b660818ea4448aa9010710f76ec7a [2024-11-11 23:42:00,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 23:42:00,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 23:42:00,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 23:42:00,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 23:42:00,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 23:42:00,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:00" (1/1) ... [2024-11-11 23:42:00,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5845ae7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:00, skipping insertion in model container [2024-11-11 23:42:00,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:00" (1/1) ... [2024-11-11 23:42:00,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 23:42:01,196 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.cal6.c[1244,1257] [2024-11-11 23:42:01,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 23:42:01,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 23:42:01,560 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.cal6.c[1244,1257] [2024-11-11 23:42:01,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 23:42:01,737 INFO L204 MainTranslator]: Completed translation [2024-11-11 23:42:01,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01 WrapperNode [2024-11-11 23:42:01,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 23:42:01,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 23:42:01,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 23:42:01,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 23:42:01,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:01,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:02,375 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3698 [2024-11-11 23:42:02,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 23:42:02,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 23:42:02,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 23:42:02,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 23:42:02,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:02,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:02,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:02,598 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-11 23:42:02,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:02,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:02,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:02,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:02,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:02,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:03,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 23:42:03,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 23:42:03,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 23:42:03,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 23:42:03,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (1/1) ... [2024-11-11 23:42:03,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 23:42:03,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 23:42:03,159 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 23:42:03,171 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 23:42:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 23:42:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 23:42:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 23:42:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 23:42:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 23:42:03,548 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 23:42:03,549 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 23:42:07,307 INFO L? ?]: Removed 2055 outVars from TransFormulas that were not future-live. [2024-11-11 23:42:07,307 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 23:42:07,351 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 23:42:07,351 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 23:42:07,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:07 BoogieIcfgContainer [2024-11-11 23:42:07,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 23:42:07,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 23:42:07,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 23:42:07,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 23:42:07,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 11:42:00" (1/3) ... [2024-11-11 23:42:07,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331da84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:42:07, skipping insertion in model container [2024-11-11 23:42:07,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:01" (2/3) ... [2024-11-11 23:42:07,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331da84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:42:07, skipping insertion in model container [2024-11-11 23:42:07,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:07" (3/3) ... [2024-11-11 23:42:07,362 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal6.c [2024-11-11 23:42:07,381 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 23:42:07,382 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 23:42:07,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 23:42:07,491 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;@3a1e2805, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 23:42:07,492 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 23:42:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 1109 states, 1107 states have (on average 1.5004516711833784) internal successors, (1661), 1108 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-11 23:42:07,538 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:07,539 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:07,541 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:07,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:07,550 INFO L85 PathProgramCache]: Analyzing trace with hash 127396833, now seen corresponding path program 1 times [2024-11-11 23:42:07,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:07,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276378443] [2024-11-11 23:42:07,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:07,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:11,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:11,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:11,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276378443] [2024-11-11 23:42:11,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276378443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:11,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:11,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:42:11,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806138101] [2024-11-11 23:42:11,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:11,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:42:11,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:11,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:42:11,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:42:11,784 INFO L87 Difference]: Start difference. First operand has 1109 states, 1107 states have (on average 1.5004516711833784) internal successors, (1661), 1108 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:11,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:11,943 INFO L93 Difference]: Finished difference Result 2185 states and 3276 transitions. [2024-11-11 23:42:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:42:11,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 363 [2024-11-11 23:42:11,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:11,975 INFO L225 Difference]: With dead ends: 2185 [2024-11-11 23:42:11,975 INFO L226 Difference]: Without dead ends: 1106 [2024-11-11 23:42:11,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 23:42:11,989 INFO L435 NwaCegarLoop]: 1652 mSDtfsCounter, 14 mSDsluCounter, 3281 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4933 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:11,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4933 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:42:12,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2024-11-11 23:42:12,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1106. [2024-11-11 23:42:12,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1105 states have (on average 1.4986425339366516) internal successors, (1656), 1105 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:12,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1656 transitions. [2024-11-11 23:42:12,093 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1656 transitions. Word has length 363 [2024-11-11 23:42:12,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:12,095 INFO L471 AbstractCegarLoop]: Abstraction has 1106 states and 1656 transitions. [2024-11-11 23:42:12,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1656 transitions. [2024-11-11 23:42:12,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-11 23:42:12,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:12,105 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:12,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 23:42:12,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:12,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:12,107 INFO L85 PathProgramCache]: Analyzing trace with hash -2024813633, now seen corresponding path program 1 times [2024-11-11 23:42:12,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:12,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613138151] [2024-11-11 23:42:12,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:12,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:13,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:13,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613138151] [2024-11-11 23:42:13,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613138151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:13,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:13,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:42:13,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329709005] [2024-11-11 23:42:13,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:13,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:42:13,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:13,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:42:13,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:42:13,909 INFO L87 Difference]: Start difference. First operand 1106 states and 1656 transitions. Second operand has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:13,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:13,964 INFO L93 Difference]: Finished difference Result 1110 states and 1660 transitions. [2024-11-11 23:42:13,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:42:13,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 364 [2024-11-11 23:42:13,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:13,971 INFO L225 Difference]: With dead ends: 1110 [2024-11-11 23:42:13,971 INFO L226 Difference]: Without dead ends: 1108 [2024-11-11 23:42:13,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 23:42:13,975 INFO L435 NwaCegarLoop]: 1654 mSDtfsCounter, 0 mSDsluCounter, 3302 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4956 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 23:42:13,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4956 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:42:13,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2024-11-11 23:42:13,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2024-11-11 23:42:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1107 states have (on average 1.4977416440831075) internal successors, (1658), 1107 states have internal predecessors, (1658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:14,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1658 transitions. [2024-11-11 23:42:14,003 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1658 transitions. Word has length 364 [2024-11-11 23:42:14,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:14,005 INFO L471 AbstractCegarLoop]: Abstraction has 1108 states and 1658 transitions. [2024-11-11 23:42:14,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:14,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1658 transitions. [2024-11-11 23:42:14,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-11 23:42:14,010 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:14,011 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:14,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 23:42:14,012 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:14,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:14,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1656984312, now seen corresponding path program 1 times [2024-11-11 23:42:14,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:14,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826986779] [2024-11-11 23:42:14,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:14,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:15,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:15,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826986779] [2024-11-11 23:42:15,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826986779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:15,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:15,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:42:15,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015343284] [2024-11-11 23:42:15,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:15,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:42:15,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:15,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:42:15,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:42:15,102 INFO L87 Difference]: Start difference. First operand 1108 states and 1658 transitions. Second operand has 4 states, 4 states have (on average 91.25) internal successors, (365), 4 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:15,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:15,161 INFO L93 Difference]: Finished difference Result 2188 states and 3275 transitions. [2024-11-11 23:42:15,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:42:15,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 91.25) internal successors, (365), 4 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 365 [2024-11-11 23:42:15,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:15,166 INFO L225 Difference]: With dead ends: 2188 [2024-11-11 23:42:15,167 INFO L226 Difference]: Without dead ends: 1110 [2024-11-11 23:42:15,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 23:42:15,169 INFO L435 NwaCegarLoop]: 1654 mSDtfsCounter, 0 mSDsluCounter, 3298 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4952 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 23:42:15,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4952 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:42:15,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2024-11-11 23:42:15,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2024-11-11 23:42:15,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1109 states have (on average 1.496844003606853) internal successors, (1660), 1109 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1660 transitions. [2024-11-11 23:42:15,188 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1660 transitions. Word has length 365 [2024-11-11 23:42:15,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:15,189 INFO L471 AbstractCegarLoop]: Abstraction has 1110 states and 1660 transitions. [2024-11-11 23:42:15,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.25) internal successors, (365), 4 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1660 transitions. [2024-11-11 23:42:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-11 23:42:15,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:15,194 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:15,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 23:42:15,195 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:15,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:15,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1271057480, now seen corresponding path program 1 times [2024-11-11 23:42:15,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:15,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963186017] [2024-11-11 23:42:15,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:15,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:17,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:17,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963186017] [2024-11-11 23:42:17,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963186017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:17,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:17,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 23:42:17,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301478654] [2024-11-11 23:42:17,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:17,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 23:42:17,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:17,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 23:42:17,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 23:42:17,683 INFO L87 Difference]: Start difference. First operand 1110 states and 1660 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:17,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:17,732 INFO L93 Difference]: Finished difference Result 2190 states and 3276 transitions. [2024-11-11 23:42:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 23:42:17,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 366 [2024-11-11 23:42:17,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:17,738 INFO L225 Difference]: With dead ends: 2190 [2024-11-11 23:42:17,738 INFO L226 Difference]: Without dead ends: 1110 [2024-11-11 23:42:17,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 23:42:17,743 INFO L435 NwaCegarLoop]: 1652 mSDtfsCounter, 2 mSDsluCounter, 1648 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3300 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:17,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3300 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:42:17,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2024-11-11 23:42:17,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2024-11-11 23:42:17,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1109 states have (on average 1.4959422903516681) internal successors, (1659), 1109 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1659 transitions. [2024-11-11 23:42:17,768 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1659 transitions. Word has length 366 [2024-11-11 23:42:17,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:17,769 INFO L471 AbstractCegarLoop]: Abstraction has 1110 states and 1659 transitions. [2024-11-11 23:42:17,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1659 transitions. [2024-11-11 23:42:17,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-11-11 23:42:17,775 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:17,776 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:17,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 23:42:17,776 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:17,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:17,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1707378715, now seen corresponding path program 1 times [2024-11-11 23:42:17,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:17,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633382733] [2024-11-11 23:42:17,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:17,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:20,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:20,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633382733] [2024-11-11 23:42:20,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633382733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:20,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:20,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:42:20,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14957270] [2024-11-11 23:42:20,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:20,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:42:20,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:20,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:42:20,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:42:20,338 INFO L87 Difference]: Start difference. First operand 1110 states and 1659 transitions. Second operand has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:20,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:20,393 INFO L93 Difference]: Finished difference Result 2190 states and 3274 transitions. [2024-11-11 23:42:20,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:42:20,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 367 [2024-11-11 23:42:20,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:20,399 INFO L225 Difference]: With dead ends: 2190 [2024-11-11 23:42:20,399 INFO L226 Difference]: Without dead ends: 1110 [2024-11-11 23:42:20,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 23:42:20,401 INFO L435 NwaCegarLoop]: 1649 mSDtfsCounter, 28 mSDsluCounter, 3253 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 4902 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:20,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 4902 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:42:20,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2024-11-11 23:42:20,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2024-11-11 23:42:20,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1109 states have (on average 1.4950405770964834) internal successors, (1658), 1109 states have internal predecessors, (1658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:20,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1658 transitions. [2024-11-11 23:42:20,418 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1658 transitions. Word has length 367 [2024-11-11 23:42:20,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:20,419 INFO L471 AbstractCegarLoop]: Abstraction has 1110 states and 1658 transitions. [2024-11-11 23:42:20,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:20,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1658 transitions. [2024-11-11 23:42:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-11-11 23:42:20,424 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:20,424 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:20,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 23:42:20,425 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:20,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:20,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1659395861, now seen corresponding path program 1 times [2024-11-11 23:42:20,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:20,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943206338] [2024-11-11 23:42:20,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:20,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:22,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:22,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943206338] [2024-11-11 23:42:22,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943206338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:22,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:22,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:42:22,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091966910] [2024-11-11 23:42:22,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:22,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:42:22,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:22,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:42:22,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:42:22,690 INFO L87 Difference]: Start difference. First operand 1110 states and 1658 transitions. Second operand has 5 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:22,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:22,827 INFO L93 Difference]: Finished difference Result 2193 states and 3277 transitions. [2024-11-11 23:42:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 23:42:22,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 368 [2024-11-11 23:42:22,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:22,833 INFO L225 Difference]: With dead ends: 2193 [2024-11-11 23:42:22,833 INFO L226 Difference]: Without dead ends: 1113 [2024-11-11 23:42:22,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-11 23:42:22,839 INFO L435 NwaCegarLoop]: 1650 mSDtfsCounter, 65 mSDsluCounter, 4859 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 6509 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:22,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 6509 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:42:22,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2024-11-11 23:42:22,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1113. [2024-11-11 23:42:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 1112 states have (on average 1.493705035971223) internal successors, (1661), 1112 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:22,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1661 transitions. [2024-11-11 23:42:22,858 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1661 transitions. Word has length 368 [2024-11-11 23:42:22,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:22,860 INFO L471 AbstractCegarLoop]: Abstraction has 1113 states and 1661 transitions. [2024-11-11 23:42:22,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1661 transitions. [2024-11-11 23:42:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2024-11-11 23:42:22,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:22,868 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:22,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 23:42:22,868 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:22,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:22,869 INFO L85 PathProgramCache]: Analyzing trace with hash -2059180823, now seen corresponding path program 1 times [2024-11-11 23:42:22,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:22,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855784121] [2024-11-11 23:42:22,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:22,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:25,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:25,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:25,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855784121] [2024-11-11 23:42:25,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855784121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:25,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:25,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 23:42:25,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433868262] [2024-11-11 23:42:25,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:25,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 23:42:25,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:25,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 23:42:25,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-11 23:42:25,403 INFO L87 Difference]: Start difference. First operand 1113 states and 1661 transitions. Second operand has 7 states, 7 states have (on average 52.714285714285715) internal successors, (369), 7 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:26,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:26,057 INFO L93 Difference]: Finished difference Result 2200 states and 3284 transitions. [2024-11-11 23:42:26,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 23:42:26,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.714285714285715) internal successors, (369), 7 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 369 [2024-11-11 23:42:26,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:26,063 INFO L225 Difference]: With dead ends: 2200 [2024-11-11 23:42:26,063 INFO L226 Difference]: Without dead ends: 1117 [2024-11-11 23:42:26,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-11 23:42:26,067 INFO L435 NwaCegarLoop]: 1482 mSDtfsCounter, 1318 mSDsluCounter, 5858 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 7340 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:26,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 7340 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 23:42:26,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-11-11 23:42:26,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1116. [2024-11-11 23:42:26,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.4914798206278026) internal successors, (1663), 1115 states have internal predecessors, (1663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:26,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1663 transitions. [2024-11-11 23:42:26,086 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1663 transitions. Word has length 369 [2024-11-11 23:42:26,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:26,087 INFO L471 AbstractCegarLoop]: Abstraction has 1116 states and 1663 transitions. [2024-11-11 23:42:26,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.714285714285715) internal successors, (369), 7 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:26,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1663 transitions. [2024-11-11 23:42:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-11 23:42:26,092 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:26,093 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:26,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 23:42:26,093 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:26,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:26,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1939655924, now seen corresponding path program 1 times [2024-11-11 23:42:26,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:26,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020991495] [2024-11-11 23:42:26,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:26,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:28,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:28,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020991495] [2024-11-11 23:42:28,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020991495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:28,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:28,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:42:28,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726223587] [2024-11-11 23:42:28,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:28,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:42:28,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:28,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:42:28,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:42:28,111 INFO L87 Difference]: Start difference. First operand 1116 states and 1663 transitions. Second operand has 4 states, 4 states have (on average 92.75) internal successors, (371), 4 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:28,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:28,157 INFO L93 Difference]: Finished difference Result 2202 states and 3282 transitions. [2024-11-11 23:42:28,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:42:28,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 92.75) internal successors, (371), 4 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 371 [2024-11-11 23:42:28,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:28,162 INFO L225 Difference]: With dead ends: 2202 [2024-11-11 23:42:28,162 INFO L226 Difference]: Without dead ends: 1116 [2024-11-11 23:42:28,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 23:42:28,165 INFO L435 NwaCegarLoop]: 1647 mSDtfsCounter, 48 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 4857 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:28,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 4857 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:42:28,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2024-11-11 23:42:28,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2024-11-11 23:42:28,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.4905829596412556) internal successors, (1662), 1115 states have internal predecessors, (1662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1662 transitions. [2024-11-11 23:42:28,182 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1662 transitions. Word has length 371 [2024-11-11 23:42:28,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:28,182 INFO L471 AbstractCegarLoop]: Abstraction has 1116 states and 1662 transitions. [2024-11-11 23:42:28,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.75) internal successors, (371), 4 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:28,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1662 transitions. [2024-11-11 23:42:28,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-11-11 23:42:28,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:28,185 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:28,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 23:42:28,186 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:28,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:28,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1171168647, now seen corresponding path program 1 times [2024-11-11 23:42:28,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:28,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720481881] [2024-11-11 23:42:28,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:28,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:31,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:31,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720481881] [2024-11-11 23:42:31,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720481881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:31,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:31,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 23:42:31,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845775548] [2024-11-11 23:42:31,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:31,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 23:42:31,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:31,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 23:42:31,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 23:42:31,567 INFO L87 Difference]: Start difference. First operand 1116 states and 1662 transitions. Second operand has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:31,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:31,803 INFO L93 Difference]: Finished difference Result 2908 states and 4328 transitions. [2024-11-11 23:42:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 23:42:31,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 372 [2024-11-11 23:42:31,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:31,811 INFO L225 Difference]: With dead ends: 2908 [2024-11-11 23:42:31,811 INFO L226 Difference]: Without dead ends: 1822 [2024-11-11 23:42:31,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-11 23:42:31,814 INFO L435 NwaCegarLoop]: 1630 mSDtfsCounter, 4334 mSDsluCounter, 4892 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4334 SdHoareTripleChecker+Valid, 6522 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:31,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4334 Valid, 6522 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 23:42:31,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2024-11-11 23:42:31,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1803. [2024-11-11 23:42:31,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1802 states have (on average 1.4900110987791344) internal successors, (2685), 1802 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2685 transitions. [2024-11-11 23:42:31,854 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2685 transitions. Word has length 372 [2024-11-11 23:42:31,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:31,856 INFO L471 AbstractCegarLoop]: Abstraction has 1803 states and 2685 transitions. [2024-11-11 23:42:31,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2685 transitions. [2024-11-11 23:42:31,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-11 23:42:31,858 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:31,859 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:31,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 23:42:31,859 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:31,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:31,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1037600546, now seen corresponding path program 1 times [2024-11-11 23:42:31,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:31,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591820026] [2024-11-11 23:42:31,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:31,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:34,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:34,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591820026] [2024-11-11 23:42:34,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591820026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:34,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:34,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 23:42:34,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278255559] [2024-11-11 23:42:34,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:34,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 23:42:34,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:34,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 23:42:34,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-11 23:42:34,464 INFO L87 Difference]: Start difference. First operand 1803 states and 2685 transitions. Second operand has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 7 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:35,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:35,623 INFO L93 Difference]: Finished difference Result 2949 states and 4385 transitions. [2024-11-11 23:42:35,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 23:42:35,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 7 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 373 [2024-11-11 23:42:35,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:35,633 INFO L225 Difference]: With dead ends: 2949 [2024-11-11 23:42:35,633 INFO L226 Difference]: Without dead ends: 1811 [2024-11-11 23:42:35,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-11 23:42:35,636 INFO L435 NwaCegarLoop]: 1343 mSDtfsCounter, 1325 mSDsluCounter, 5350 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1325 SdHoareTripleChecker+Valid, 6693 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:35,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1325 Valid, 6693 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-11 23:42:35,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2024-11-11 23:42:35,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1809. [2024-11-11 23:42:35,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1808 states have (on average 1.4883849557522124) internal successors, (2691), 1808 states have internal predecessors, (2691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:35,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2691 transitions. [2024-11-11 23:42:35,687 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2691 transitions. Word has length 373 [2024-11-11 23:42:35,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:35,688 INFO L471 AbstractCegarLoop]: Abstraction has 1809 states and 2691 transitions. [2024-11-11 23:42:35,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 7 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:35,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2691 transitions. [2024-11-11 23:42:35,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-11-11 23:42:35,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:35,693 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:35,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-11 23:42:35,693 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:35,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:35,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1324083071, now seen corresponding path program 1 times [2024-11-11 23:42:35,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:35,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077111457] [2024-11-11 23:42:35,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:35,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:37,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:37,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:37,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077111457] [2024-11-11 23:42:37,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077111457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:37,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:37,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:42:37,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500206100] [2024-11-11 23:42:37,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:37,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:42:37,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:37,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:42:37,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:42:37,944 INFO L87 Difference]: Start difference. First operand 1809 states and 2691 transitions. Second operand has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:37,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:37,992 INFO L93 Difference]: Finished difference Result 2961 states and 4397 transitions. [2024-11-11 23:42:37,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:42:37,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 374 [2024-11-11 23:42:37,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:37,999 INFO L225 Difference]: With dead ends: 2961 [2024-11-11 23:42:38,000 INFO L226 Difference]: Without dead ends: 1815 [2024-11-11 23:42:38,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 1 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 23:42:38,002 INFO L435 NwaCegarLoop]: 1649 mSDtfsCounter, 0 mSDsluCounter, 3290 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4939 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:38,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4939 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:42:38,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2024-11-11 23:42:38,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1815. [2024-11-11 23:42:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1814 states have (on average 1.4867695700110253) internal successors, (2697), 1814 states have internal predecessors, (2697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2697 transitions. [2024-11-11 23:42:38,033 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2697 transitions. Word has length 374 [2024-11-11 23:42:38,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:38,034 INFO L471 AbstractCegarLoop]: Abstraction has 1815 states and 2697 transitions. [2024-11-11 23:42:38,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2697 transitions. [2024-11-11 23:42:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-11 23:42:38,037 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:38,037 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:38,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 23:42:38,037 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:38,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:38,037 INFO L85 PathProgramCache]: Analyzing trace with hash 422787713, now seen corresponding path program 1 times [2024-11-11 23:42:38,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:38,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792473832] [2024-11-11 23:42:38,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:38,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:40,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:40,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:40,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792473832] [2024-11-11 23:42:40,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792473832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:40,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:40,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 23:42:40,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460338578] [2024-11-11 23:42:40,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:40,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-11 23:42:40,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:40,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-11 23:42:40,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-11 23:42:40,976 INFO L87 Difference]: Start difference. First operand 1815 states and 2697 transitions. Second operand has 8 states, 8 states have (on average 46.875) internal successors, (375), 8 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:41,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:41,960 INFO L93 Difference]: Finished difference Result 2933 states and 4356 transitions. [2024-11-11 23:42:41,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 23:42:41,961 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 46.875) internal successors, (375), 8 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 375 [2024-11-11 23:42:41,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:41,968 INFO L225 Difference]: With dead ends: 2933 [2024-11-11 23:42:41,968 INFO L226 Difference]: Without dead ends: 1831 [2024-11-11 23:42:41,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-11 23:42:41,971 INFO L435 NwaCegarLoop]: 1342 mSDtfsCounter, 1642 mSDsluCounter, 5360 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 6702 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:41,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 6702 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-11 23:42:41,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2024-11-11 23:42:41,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1825. [2024-11-11 23:42:42,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1824 states have (on average 1.4851973684210527) internal successors, (2709), 1824 states have internal predecessors, (2709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2709 transitions. [2024-11-11 23:42:42,007 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2709 transitions. Word has length 375 [2024-11-11 23:42:42,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:42,007 INFO L471 AbstractCegarLoop]: Abstraction has 1825 states and 2709 transitions. [2024-11-11 23:42:42,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 46.875) internal successors, (375), 8 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2709 transitions. [2024-11-11 23:42:42,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-11 23:42:42,010 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:42,010 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:42,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 23:42:42,010 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:42,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:42,011 INFO L85 PathProgramCache]: Analyzing trace with hash 149201231, now seen corresponding path program 1 times [2024-11-11 23:42:42,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:42,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223922096] [2024-11-11 23:42:42,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:42,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:42,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:42,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223922096] [2024-11-11 23:42:42,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223922096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:42,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:42,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:42:42,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085488869] [2024-11-11 23:42:42,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:42,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:42:42,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:42,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:42:42,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:42:42,995 INFO L87 Difference]: Start difference. First operand 1825 states and 2709 transitions. Second operand has 5 states, 5 states have (on average 75.2) internal successors, (376), 5 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:43,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:43,053 INFO L93 Difference]: Finished difference Result 2936 states and 4357 transitions. [2024-11-11 23:42:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 23:42:43,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 75.2) internal successors, (376), 5 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 376 [2024-11-11 23:42:43,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:43,060 INFO L225 Difference]: With dead ends: 2936 [2024-11-11 23:42:43,060 INFO L226 Difference]: Without dead ends: 1833 [2024-11-11 23:42:43,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:42:43,063 INFO L435 NwaCegarLoop]: 1645 mSDtfsCounter, 2 mSDsluCounter, 4925 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6570 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:43,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6570 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:42:43,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2024-11-11 23:42:43,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1831. [2024-11-11 23:42:43,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1831 states, 1830 states have (on average 1.4836065573770492) internal successors, (2715), 1830 states have internal predecessors, (2715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2715 transitions. [2024-11-11 23:42:43,100 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2715 transitions. Word has length 376 [2024-11-11 23:42:43,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:43,100 INFO L471 AbstractCegarLoop]: Abstraction has 1831 states and 2715 transitions. [2024-11-11 23:42:43,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 75.2) internal successors, (376), 5 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:43,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2715 transitions. [2024-11-11 23:42:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-11 23:42:43,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:43,103 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:43,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-11 23:42:43,107 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:43,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:43,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2007338035, now seen corresponding path program 1 times [2024-11-11 23:42:43,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:43,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696341491] [2024-11-11 23:42:43,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:43,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:45,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:45,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:45,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696341491] [2024-11-11 23:42:45,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696341491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:45,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:45,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 23:42:45,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319341295] [2024-11-11 23:42:45,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:45,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 23:42:45,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:45,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 23:42:45,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-11 23:42:45,162 INFO L87 Difference]: Start difference. First operand 1831 states and 2715 transitions. Second operand has 7 states, 7 states have (on average 53.714285714285715) internal successors, (376), 7 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:45,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:45,766 INFO L93 Difference]: Finished difference Result 2980 states and 4410 transitions. [2024-11-11 23:42:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 23:42:45,767 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 53.714285714285715) internal successors, (376), 7 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 376 [2024-11-11 23:42:45,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:45,775 INFO L225 Difference]: With dead ends: 2980 [2024-11-11 23:42:45,775 INFO L226 Difference]: Without dead ends: 1843 [2024-11-11 23:42:45,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-11 23:42:45,778 INFO L435 NwaCegarLoop]: 1640 mSDtfsCounter, 46 mSDsluCounter, 5651 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 7291 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:45,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 7291 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 23:42:45,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2024-11-11 23:42:45,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1835. [2024-11-11 23:42:45,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1835 states, 1834 states have (on average 1.4825517993456925) internal successors, (2719), 1834 states have internal predecessors, (2719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2719 transitions. [2024-11-11 23:42:45,812 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2719 transitions. Word has length 376 [2024-11-11 23:42:45,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:45,813 INFO L471 AbstractCegarLoop]: Abstraction has 1835 states and 2719 transitions. [2024-11-11 23:42:45,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 53.714285714285715) internal successors, (376), 7 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:45,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2719 transitions. [2024-11-11 23:42:45,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-11 23:42:45,816 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:45,816 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:45,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-11 23:42:45,817 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:45,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:45,817 INFO L85 PathProgramCache]: Analyzing trace with hash 37074714, now seen corresponding path program 1 times [2024-11-11 23:42:45,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:45,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662584064] [2024-11-11 23:42:45,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:45,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:48,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:48,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:48,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662584064] [2024-11-11 23:42:48,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662584064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:48,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:48,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 23:42:48,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217560427] [2024-11-11 23:42:48,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:48,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-11 23:42:48,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:48,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-11 23:42:48,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-11 23:42:48,023 INFO L87 Difference]: Start difference. First operand 1835 states and 2719 transitions. Second operand has 8 states, 8 states have (on average 47.0) internal successors, (376), 8 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:48,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:48,274 INFO L93 Difference]: Finished difference Result 2958 states and 4381 transitions. [2024-11-11 23:42:48,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 23:42:48,275 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 47.0) internal successors, (376), 8 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 376 [2024-11-11 23:42:48,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:48,288 INFO L225 Difference]: With dead ends: 2958 [2024-11-11 23:42:48,288 INFO L226 Difference]: Without dead ends: 1856 [2024-11-11 23:42:48,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-11 23:42:48,291 INFO L435 NwaCegarLoop]: 1629 mSDtfsCounter, 4334 mSDsluCounter, 8141 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4334 SdHoareTripleChecker+Valid, 9770 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:48,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4334 Valid, 9770 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 23:42:48,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2024-11-11 23:42:48,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1838. [2024-11-11 23:42:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.482308111050626) internal successors, (2723), 1837 states have internal predecessors, (2723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2723 transitions. [2024-11-11 23:42:48,327 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2723 transitions. Word has length 376 [2024-11-11 23:42:48,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:48,328 INFO L471 AbstractCegarLoop]: Abstraction has 1838 states and 2723 transitions. [2024-11-11 23:42:48,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 47.0) internal successors, (376), 8 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2723 transitions. [2024-11-11 23:42:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-11-11 23:42:48,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:48,331 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:48,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-11 23:42:48,331 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:48,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:48,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1468664762, now seen corresponding path program 1 times [2024-11-11 23:42:48,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:48,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563842328] [2024-11-11 23:42:48,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:48,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:50,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:50,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563842328] [2024-11-11 23:42:50,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563842328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:50,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:50,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:42:50,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678322245] [2024-11-11 23:42:50,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:50,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:42:50,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:50,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:42:50,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:42:50,243 INFO L87 Difference]: Start difference. First operand 1838 states and 2723 transitions. Second operand has 5 states, 5 states have (on average 75.4) internal successors, (377), 5 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:50,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:50,308 INFO L93 Difference]: Finished difference Result 3007 states and 4447 transitions. [2024-11-11 23:42:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 23:42:50,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 75.4) internal successors, (377), 5 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 377 [2024-11-11 23:42:50,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:50,315 INFO L225 Difference]: With dead ends: 3007 [2024-11-11 23:42:50,316 INFO L226 Difference]: Without dead ends: 1884 [2024-11-11 23:42:50,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:42:50,318 INFO L435 NwaCegarLoop]: 1645 mSDtfsCounter, 12 mSDsluCounter, 4925 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6570 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:50,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 6570 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:42:50,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2024-11-11 23:42:50,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1884. [2024-11-11 23:42:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1884 states, 1883 states have (on average 1.476898566117897) internal successors, (2781), 1883 states have internal predecessors, (2781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1884 states and 2781 transitions. [2024-11-11 23:42:50,352 INFO L78 Accepts]: Start accepts. Automaton has 1884 states and 2781 transitions. Word has length 377 [2024-11-11 23:42:50,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:50,352 INFO L471 AbstractCegarLoop]: Abstraction has 1884 states and 2781 transitions. [2024-11-11 23:42:50,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 75.4) internal successors, (377), 5 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2781 transitions. [2024-11-11 23:42:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-11-11 23:42:50,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:50,355 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:50,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-11 23:42:50,356 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:50,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:50,357 INFO L85 PathProgramCache]: Analyzing trace with hash 981686142, now seen corresponding path program 1 times [2024-11-11 23:42:50,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:50,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307372145] [2024-11-11 23:42:50,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:50,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:54,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:54,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307372145] [2024-11-11 23:42:54,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307372145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:54,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:54,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 23:42:54,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979404566] [2024-11-11 23:42:54,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:54,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-11 23:42:54,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:54,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-11 23:42:54,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-11 23:42:54,203 INFO L87 Difference]: Start difference. First operand 1884 states and 2781 transitions. Second operand has 8 states, 8 states have (on average 47.125) internal successors, (377), 8 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:54,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:54,843 INFO L93 Difference]: Finished difference Result 3232 states and 4737 transitions. [2024-11-11 23:42:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 23:42:54,844 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 47.125) internal successors, (377), 8 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 377 [2024-11-11 23:42:54,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:54,851 INFO L225 Difference]: With dead ends: 3232 [2024-11-11 23:42:54,851 INFO L226 Difference]: Without dead ends: 2102 [2024-11-11 23:42:54,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-11 23:42:54,853 INFO L435 NwaCegarLoop]: 1480 mSDtfsCounter, 1465 mSDsluCounter, 7389 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 8869 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:54,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 8869 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 23:42:54,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2024-11-11 23:42:54,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 2092. [2024-11-11 23:42:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2092 states, 2091 states have (on average 1.4600669536107125) internal successors, (3053), 2091 states have internal predecessors, (3053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 3053 transitions. [2024-11-11 23:42:54,884 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 3053 transitions. Word has length 377 [2024-11-11 23:42:54,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:54,885 INFO L471 AbstractCegarLoop]: Abstraction has 2092 states and 3053 transitions. [2024-11-11 23:42:54,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 47.125) internal successors, (377), 8 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:54,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 3053 transitions. [2024-11-11 23:42:54,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-11 23:42:54,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:54,888 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:54,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-11 23:42:54,888 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:54,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:54,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1523381982, now seen corresponding path program 1 times [2024-11-11 23:42:54,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:54,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753325117] [2024-11-11 23:42:54,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:54,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:56,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:56,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753325117] [2024-11-11 23:42:56,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753325117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:56,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:56,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 23:42:56,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476862809] [2024-11-11 23:42:56,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:56,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 23:42:56,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:56,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 23:42:56,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-11 23:42:56,618 INFO L87 Difference]: Start difference. First operand 2092 states and 3053 transitions. Second operand has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:57,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:57,248 INFO L93 Difference]: Finished difference Result 3346 states and 4889 transitions. [2024-11-11 23:42:57,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 23:42:57,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 378 [2024-11-11 23:42:57,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:57,257 INFO L225 Difference]: With dead ends: 3346 [2024-11-11 23:42:57,260 INFO L226 Difference]: Without dead ends: 2104 [2024-11-11 23:42:57,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 23:42:57,262 INFO L435 NwaCegarLoop]: 1347 mSDtfsCounter, 1299 mSDsluCounter, 2688 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 4035 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:57,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 4035 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 23:42:57,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2024-11-11 23:42:57,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2104. [2024-11-11 23:42:57,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 2103 states have (on average 1.4593437945791725) internal successors, (3069), 2103 states have internal predecessors, (3069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:57,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 3069 transitions. [2024-11-11 23:42:57,288 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 3069 transitions. Word has length 378 [2024-11-11 23:42:57,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:57,289 INFO L471 AbstractCegarLoop]: Abstraction has 2104 states and 3069 transitions. [2024-11-11 23:42:57,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 3069 transitions. [2024-11-11 23:42:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-11 23:42:57,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:57,292 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:57,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-11 23:42:57,293 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:57,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:57,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1724979842, now seen corresponding path program 1 times [2024-11-11 23:42:57,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:57,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684918179] [2024-11-11 23:42:57,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:57,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:42:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:42:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:42:58,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:42:58,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684918179] [2024-11-11 23:42:58,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684918179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:42:58,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:42:58,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 23:42:58,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883151510] [2024-11-11 23:42:58,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:42:58,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 23:42:58,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:42:58,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 23:42:58,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 23:42:58,492 INFO L87 Difference]: Start difference. First operand 2104 states and 3069 transitions. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:58,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:42:58,524 INFO L93 Difference]: Finished difference Result 3361 states and 4906 transitions. [2024-11-11 23:42:58,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 23:42:58,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 378 [2024-11-11 23:42:58,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:42:58,528 INFO L225 Difference]: With dead ends: 3361 [2024-11-11 23:42:58,528 INFO L226 Difference]: Without dead ends: 2116 [2024-11-11 23:42:58,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 23:42:58,531 INFO L435 NwaCegarLoop]: 1649 mSDtfsCounter, 0 mSDsluCounter, 3290 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4939 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 23:42:58,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4939 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 23:42:58,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2024-11-11 23:42:58,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 2116. [2024-11-11 23:42:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2116 states, 2115 states have (on average 1.4567375886524823) internal successors, (3081), 2115 states have internal predecessors, (3081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:58,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 2116 states and 3081 transitions. [2024-11-11 23:42:58,557 INFO L78 Accepts]: Start accepts. Automaton has 2116 states and 3081 transitions. Word has length 378 [2024-11-11 23:42:58,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:42:58,558 INFO L471 AbstractCegarLoop]: Abstraction has 2116 states and 3081 transitions. [2024-11-11 23:42:58,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:42:58,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 3081 transitions. [2024-11-11 23:42:58,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-11 23:42:58,561 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:42:58,561 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:58,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-11 23:42:58,561 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:42:58,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:42:58,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1942650488, now seen corresponding path program 1 times [2024-11-11 23:42:58,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:42:58,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379682246] [2024-11-11 23:42:58,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:42:58,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 23:43:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 23:43:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 23:43:00,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 23:43:00,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379682246] [2024-11-11 23:43:00,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379682246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 23:43:00,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 23:43:00,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 23:43:00,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393200175] [2024-11-11 23:43:00,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 23:43:00,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 23:43:00,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 23:43:00,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 23:43:00,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-11 23:43:00,869 INFO L87 Difference]: Start difference. First operand 2116 states and 3081 transitions. Second operand has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:43:01,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 23:43:01,514 INFO L93 Difference]: Finished difference Result 3379 states and 4920 transitions. [2024-11-11 23:43:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 23:43:01,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 378 [2024-11-11 23:43:01,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 23:43:01,518 INFO L225 Difference]: With dead ends: 3379 [2024-11-11 23:43:01,518 INFO L226 Difference]: Without dead ends: 2120 [2024-11-11 23:43:01,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-11 23:43:01,520 INFO L435 NwaCegarLoop]: 1344 mSDtfsCounter, 1629 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1629 SdHoareTripleChecker+Valid, 5369 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 23:43:01,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1629 Valid, 5369 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 23:43:01,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2024-11-11 23:43:01,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2084. [2024-11-11 23:43:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2084 states, 2083 states have (on average 1.4599135861737877) internal successors, (3041), 2083 states have internal predecessors, (3041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:43:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 3041 transitions. [2024-11-11 23:43:01,544 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 3041 transitions. Word has length 378 [2024-11-11 23:43:01,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 23:43:01,545 INFO L471 AbstractCegarLoop]: Abstraction has 2084 states and 3041 transitions. [2024-11-11 23:43:01,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 23:43:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 3041 transitions. [2024-11-11 23:43:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-11 23:43:01,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 23:43:01,548 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:01,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-11 23:43:01,548 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 23:43:01,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 23:43:01,549 INFO L85 PathProgramCache]: Analyzing trace with hash -19102977, now seen corresponding path program 1 times [2024-11-11 23:43:01,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 23:43:01,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670416605] [2024-11-11 23:43:01,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 23:43:01,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms