./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.extinction.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.extinction.1.prop1-back-serstep.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 3bed4a2a3c7ba1574acd4bc88454c6c5b1d4cf20b93d3b6b4f8b9a992551716f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 10:57:45,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 10:57:45,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 10:57:45,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 10:57:45,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 10:57:45,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 10:57:45,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 10:57:45,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 10:57:45,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 10:57:45,138 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 10:57:45,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 10:57:45,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 10:57:45,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 10:57:45,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 10:57:45,142 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 10:57:45,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 10:57:45,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 10:57:45,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 10:57:45,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 10:57:45,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 10:57:45,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 10:57:45,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 10:57:45,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 10:57:45,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 10:57:45,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 10:57:45,147 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 10:57:45,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 10:57:45,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 10:57:45,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 10:57:45,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 10:57:45,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 10:57:45,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 10:57:45,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 10:57:45,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 10:57:45,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 10:57:45,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 10:57:45,150 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 10:57:45,150 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 10:57:45,150 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 10:57:45,151 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bed4a2a3c7ba1574acd4bc88454c6c5b1d4cf20b93d3b6b4f8b9a992551716f [2024-11-16 10:57:45,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 10:57:45,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 10:57:45,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 10:57:45,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 10:57:45,429 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 10:57:45,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.extinction.1.prop1-back-serstep.c [2024-11-16 10:57:46,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 10:57:47,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 10:57:47,234 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.extinction.1.prop1-back-serstep.c [2024-11-16 10:57:47,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/520d8286b/931bf95138af4ccb838ee08f71c7b13f/FLAGc81fa8826 [2024-11-16 10:57:47,300 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/520d8286b/931bf95138af4ccb838ee08f71c7b13f [2024-11-16 10:57:47,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 10:57:47,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 10:57:47,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 10:57:47,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 10:57:47,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 10:57:47,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:57:47" (1/1) ... [2024-11-16 10:57:47,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@722cc0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:47, skipping insertion in model container [2024-11-16 10:57:47,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:57:47" (1/1) ... [2024-11-16 10:57:47,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 10:57:47,782 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.extinction.1.prop1-back-serstep.c[1178,1191] [2024-11-16 10:57:48,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 10:57:48,586 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 10:57:48,598 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.extinction.1.prop1-back-serstep.c[1178,1191] [2024-11-16 10:57:49,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 10:57:49,111 INFO L204 MainTranslator]: Completed translation [2024-11-16 10:57:49,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49 WrapperNode [2024-11-16 10:57:49,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 10:57:49,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 10:57:49,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 10:57:49,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 10:57:49,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:49,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:51,470 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21299 [2024-11-16 10:57:51,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 10:57:51,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 10:57:51,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 10:57:51,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 10:57:51,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:51,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:52,010 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:52,381 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 10:57:52,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:52,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:53,011 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:53,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:53,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:53,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:53,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 10:57:53,665 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 10:57:53,665 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 10:57:53,665 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 10:57:53,666 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (1/1) ... [2024-11-16 10:57:53,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 10:57:53,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 10:57:53,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 10:57:53,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 10:57:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 10:57:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 10:57:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 10:57:53,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 10:57:54,752 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 10:57:54,754 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 10:58:54,453 INFO L? ?]: Removed 11848 outVars from TransFormulas that were not future-live. [2024-11-16 10:58:54,454 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 10:58:54,996 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 10:58:54,997 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 10:58:54,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 10:58:54 BoogieIcfgContainer [2024-11-16 10:58:54,999 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 10:58:55,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 10:58:55,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 10:58:55,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 10:58:55,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:57:47" (1/3) ... [2024-11-16 10:58:55,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb76327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:58:55, skipping insertion in model container [2024-11-16 10:58:55,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:49" (2/3) ... [2024-11-16 10:58:55,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb76327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:58:55, skipping insertion in model container [2024-11-16 10:58:55,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 10:58:54" (3/3) ... [2024-11-16 10:58:55,009 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.extinction.1.prop1-back-serstep.c [2024-11-16 10:58:55,026 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 10:58:55,027 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 10:58:55,196 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 10:58:55,204 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;@2ad6af49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 10:58:55,205 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 10:58:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 7209 states, 7207 states have (on average 1.5018731788538922) internal successors, (10824), 7208 states have internal predecessors, (10824), 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) [2024-11-16 10:58:55,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2024-11-16 10:58:55,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:58:55,279 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:58:55,280 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:58:55,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:58:55,286 INFO L85 PathProgramCache]: Analyzing trace with hash -715949715, now seen corresponding path program 1 times [2024-11-16 10:58:55,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:58:55,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727471718] [2024-11-16 10:58:55,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:58:55,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:58:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:58:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 10:58:58,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:58:58,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727471718] [2024-11-16 10:58:58,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727471718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:58:58,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:58:58,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:58:58,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145541814] [2024-11-16 10:58:58,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:58:58,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:58:58,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:58:58,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:58:58,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:58:58,277 INFO L87 Difference]: Start difference. First operand has 7209 states, 7207 states have (on average 1.5018731788538922) internal successors, (10824), 7208 states have internal predecessors, (10824), 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 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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) [2024-11-16 10:59:01,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:59:01,568 INFO L93 Difference]: Finished difference Result 14101 states and 21177 transitions. [2024-11-16 10:59:01,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:59:01,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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 632 [2024-11-16 10:59:01,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:59:01,620 INFO L225 Difference]: With dead ends: 14101 [2024-11-16 10:59:01,620 INFO L226 Difference]: Without dead ends: 7206 [2024-11-16 10:59:01,640 INFO L431 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 [2024-11-16 10:59:01,645 INFO L432 NwaCegarLoop]: 9025 mSDtfsCounter, 0 mSDsluCounter, 18045 mSDsCounter, 0 mSdLazyCounter, 5383 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27070 SdHoareTripleChecker+Invalid, 5383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-16 10:59:01,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27070 Invalid, 5383 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 5383 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-16 10:59:01,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7206 states. [2024-11-16 10:59:01,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7206 to 7206. [2024-11-16 10:59:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7206 states, 7205 states have (on average 1.501734906315059) internal successors, (10820), 7205 states have internal predecessors, (10820), 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) [2024-11-16 10:59:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7206 states to 7206 states and 10820 transitions. [2024-11-16 10:59:01,874 INFO L78 Accepts]: Start accepts. Automaton has 7206 states and 10820 transitions. Word has length 632 [2024-11-16 10:59:01,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:59:01,877 INFO L471 AbstractCegarLoop]: Abstraction has 7206 states and 10820 transitions. [2024-11-16 10:59:01,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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) [2024-11-16 10:59:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 7206 states and 10820 transitions. [2024-11-16 10:59:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2024-11-16 10:59:01,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:59:01,889 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:59:01,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 10:59:01,889 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:59:01,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:59:01,890 INFO L85 PathProgramCache]: Analyzing trace with hash -574540898, now seen corresponding path program 1 times [2024-11-16 10:59:01,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:59:01,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424865671] [2024-11-16 10:59:01,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:59:01,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:59:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:59:03,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 10:59:03,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:59:03,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424865671] [2024-11-16 10:59:03,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424865671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:59:03,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:59:03,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:59:03,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179641299] [2024-11-16 10:59:03,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:59:03,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:59:03,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:59:03,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:59:03,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:59:03,216 INFO L87 Difference]: Start difference. First operand 7206 states and 10820 transitions. Second operand has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 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) [2024-11-16 10:59:06,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:59:06,350 INFO L93 Difference]: Finished difference Result 14100 states and 21173 transitions. [2024-11-16 10:59:06,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:59:06,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 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 633 [2024-11-16 10:59:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:59:06,379 INFO L225 Difference]: With dead ends: 14100 [2024-11-16 10:59:06,380 INFO L226 Difference]: Without dead ends: 7208 [2024-11-16 10:59:06,392 INFO L431 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 [2024-11-16 10:59:06,393 INFO L432 NwaCegarLoop]: 9025 mSDtfsCounter, 0 mSDsluCounter, 18042 mSDsCounter, 0 mSdLazyCounter, 5386 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27067 SdHoareTripleChecker+Invalid, 5386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-16 10:59:06,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27067 Invalid, 5386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5386 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-16 10:59:06,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7208 states. [2024-11-16 10:59:06,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7208 to 7208. [2024-11-16 10:59:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7208 states, 7207 states have (on average 1.5015956708755376) internal successors, (10822), 7207 states have internal predecessors, (10822), 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) [2024-11-16 10:59:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7208 states to 7208 states and 10822 transitions. [2024-11-16 10:59:06,546 INFO L78 Accepts]: Start accepts. Automaton has 7208 states and 10822 transitions. Word has length 633 [2024-11-16 10:59:06,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:59:06,548 INFO L471 AbstractCegarLoop]: Abstraction has 7208 states and 10822 transitions. [2024-11-16 10:59:06,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 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) [2024-11-16 10:59:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 7208 states and 10822 transitions. [2024-11-16 10:59:06,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2024-11-16 10:59:06,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:59:06,560 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:59:06,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 10:59:06,560 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:59:06,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:59:06,561 INFO L85 PathProgramCache]: Analyzing trace with hash -883644686, now seen corresponding path program 1 times [2024-11-16 10:59:06,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:59:06,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931280821] [2024-11-16 10:59:06,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:59:06,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:59:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat