./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label35.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem17_label35.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash e81bbc4430f76a90c5e02a887d03761648c221c2fd9f1be76d3af26cf9b24c3e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 19:53:12,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 19:53:12,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 19:53:12,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 19:53:12,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 19:53:12,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 19:53:12,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 19:53:12,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 19:53:12,822 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 19:53:12,823 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 19:53:12,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 19:53:12,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 19:53:12,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 19:53:12,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 19:53:12,828 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 19:53:12,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 19:53:12,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 19:53:12,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 19:53:12,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 19:53:12,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 19:53:12,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 19:53:12,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 19:53:12,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 19:53:12,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 19:53:12,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 19:53:12,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 19:53:12,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 19:53:12,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 19:53:12,832 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 19:53:12,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 19:53:12,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 19:53:12,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 19:53:12,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 19:53:12,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 19:53:12,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 19:53:12,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 19:53:12,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 19:53:12,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 19:53:12,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 19:53:12,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 19:53:12,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 19:53:12,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 19:53:12,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e81bbc4430f76a90c5e02a887d03761648c221c2fd9f1be76d3af26cf9b24c3e [2024-11-09 19:53:13,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 19:53:13,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 19:53:13,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 19:53:13,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 19:53:13,098 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 19:53:13,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label35.c [2024-11-09 19:53:14,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 19:53:14,895 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 19:53:14,897 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label35.c [2024-11-09 19:53:14,921 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/091e7e8f5/5acfb64eb3af4adf9a9f9bba52e6c033/FLAGbb9012bc9 [2024-11-09 19:53:14,937 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/091e7e8f5/5acfb64eb3af4adf9a9f9bba52e6c033 [2024-11-09 19:53:14,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 19:53:14,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 19:53:14,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 19:53:14,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 19:53:14,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 19:53:14,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:53:14" (1/1) ... [2024-11-09 19:53:14,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40be4831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:14, skipping insertion in model container [2024-11-09 19:53:14,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:53:14" (1/1) ... [2024-11-09 19:53:15,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 19:53:15,269 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/eca-rers2012/Problem17_label35.c[1267,1280] [2024-11-09 19:53:15,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 19:53:15,790 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 19:53:15,803 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/eca-rers2012/Problem17_label35.c[1267,1280] [2024-11-09 19:53:16,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 19:53:16,143 INFO L204 MainTranslator]: Completed translation [2024-11-09 19:53:16,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16 WrapperNode [2024-11-09 19:53:16,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 19:53:16,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 19:53:16,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 19:53:16,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 19:53:16,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:16,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:16,506 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2612 [2024-11-09 19:53:16,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 19:53:16,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 19:53:16,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 19:53:16,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 19:53:16,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:16,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:16,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:16,764 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]. [2024-11-09 19:53:16,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:16,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:16,968 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:16,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:17,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:17,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:17,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 19:53:17,053 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 19:53:17,053 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 19:53:17,054 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 19:53:17,055 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (1/1) ... [2024-11-09 19:53:17,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 19:53:17,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 19:53:17,094 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) [2024-11-09 19:53:17,133 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 [2024-11-09 19:53:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 19:53:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 19:53:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 19:53:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 19:53:17,239 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 19:53:17,240 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 19:53:21,139 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1653: havoc calculate_output_#t~ret7#1; [2024-11-09 19:53:21,334 INFO L? ?]: Removed 949 outVars from TransFormulas that were not future-live. [2024-11-09 19:53:21,334 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 19:53:21,370 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 19:53:21,371 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 19:53:21,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 07:53:21 BoogieIcfgContainer [2024-11-09 19:53:21,371 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 19:53:21,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 19:53:21,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 19:53:21,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 19:53:21,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:53:14" (1/3) ... [2024-11-09 19:53:21,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8af4974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:53:21, skipping insertion in model container [2024-11-09 19:53:21,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:53:16" (2/3) ... [2024-11-09 19:53:21,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8af4974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:53:21, skipping insertion in model container [2024-11-09 19:53:21,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 07:53:21" (3/3) ... [2024-11-09 19:53:21,383 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label35.c [2024-11-09 19:53:21,400 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 19:53:21,400 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 19:53:21,488 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 19:53:21,496 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;@1aa8bdca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 19:53:21,497 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 19:53:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 593 states, 591 states have (on average 2.4077834179357023) internal successors, (1423), 592 states have internal predecessors, (1423), 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) [2024-11-09 19:53:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 19:53:21,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:21,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:21,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:21,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:21,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1007218795, now seen corresponding path program 1 times [2024-11-09 19:53:21,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:21,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632379260] [2024-11-09 19:53:21,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:21,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:21,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 19:53:21,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:21,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632379260] [2024-11-09 19:53:21,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632379260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:21,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:21,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 19:53:21,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963157671] [2024-11-09 19:53:21,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:21,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:53:21,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:21,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:53:21,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:21,749 INFO L87 Difference]: Start difference. First operand has 593 states, 591 states have (on average 2.4077834179357023) internal successors, (1423), 592 states have internal predecessors, (1423), 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 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-09 19:53:24,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:24,746 INFO L93 Difference]: Finished difference Result 1650 states and 4109 transitions. [2024-11-09 19:53:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:53:24,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2024-11-09 19:53:24,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:24,771 INFO L225 Difference]: With dead ends: 1650 [2024-11-09 19:53:24,771 INFO L226 Difference]: Without dead ends: 980 [2024-11-09 19:53:24,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:24,783 INFO L432 NwaCegarLoop]: 426 mSDtfsCounter, 839 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 2518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:24,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 506 Invalid, 2518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 19:53:24,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-11-09 19:53:24,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 974. [2024-11-09 19:53:24,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 973 states have (on average 2.287769784172662) internal successors, (2226), 973 states have internal predecessors, (2226), 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) [2024-11-09 19:53:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 2226 transitions. [2024-11-09 19:53:24,875 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 2226 transitions. Word has length 9 [2024-11-09 19:53:24,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:24,876 INFO L471 AbstractCegarLoop]: Abstraction has 974 states and 2226 transitions. [2024-11-09 19:53:24,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-09 19:53:24,877 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 2226 transitions. [2024-11-09 19:53:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 19:53:24,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:24,879 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:24,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 19:53:24,879 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:24,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:24,880 INFO L85 PathProgramCache]: Analyzing trace with hash 363650837, now seen corresponding path program 1 times [2024-11-09 19:53:24,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:24,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350430470] [2024-11-09 19:53:24,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:24,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:25,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 19:53:25,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:25,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350430470] [2024-11-09 19:53:25,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350430470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:25,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:25,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 19:53:25,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001594774] [2024-11-09 19:53:25,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:25,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:53:25,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:25,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:53:25,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:25,242 INFO L87 Difference]: Start difference. First operand 974 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 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) [2024-11-09 19:53:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:28,039 INFO L93 Difference]: Finished difference Result 2821 states and 6537 transitions. [2024-11-09 19:53:28,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:53:28,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 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 77 [2024-11-09 19:53:28,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:28,049 INFO L225 Difference]: With dead ends: 2821 [2024-11-09 19:53:28,049 INFO L226 Difference]: Without dead ends: 1849 [2024-11-09 19:53:28,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:28,053 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 763 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 2422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:28,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 584 Invalid, 2422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 19:53:28,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2024-11-09 19:53:28,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1846. [2024-11-09 19:53:28,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1845 states have (on average 2.12520325203252) internal successors, (3921), 1845 states have internal predecessors, (3921), 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) [2024-11-09 19:53:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 3921 transitions. [2024-11-09 19:53:28,098 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 3921 transitions. Word has length 77 [2024-11-09 19:53:28,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:28,099 INFO L471 AbstractCegarLoop]: Abstraction has 1846 states and 3921 transitions. [2024-11-09 19:53:28,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 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) [2024-11-09 19:53:28,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 3921 transitions. [2024-11-09 19:53:28,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 19:53:28,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:28,101 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:28,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 19:53:28,102 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:28,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:28,102 INFO L85 PathProgramCache]: Analyzing trace with hash -962422658, now seen corresponding path program 1 times [2024-11-09 19:53:28,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:28,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135207392] [2024-11-09 19:53:28,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:28,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 19:53:28,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:28,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135207392] [2024-11-09 19:53:28,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135207392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:28,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:28,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 19:53:28,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771901402] [2024-11-09 19:53:28,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:28,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:53:28,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:28,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:53:28,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:28,337 INFO L87 Difference]: Start difference. First operand 1846 states and 3921 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-09 19:53:30,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:30,845 INFO L93 Difference]: Finished difference Result 4564 states and 9874 transitions. [2024-11-09 19:53:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:53:30,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2024-11-09 19:53:30,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:30,857 INFO L225 Difference]: With dead ends: 4564 [2024-11-09 19:53:30,858 INFO L226 Difference]: Without dead ends: 2720 [2024-11-09 19:53:30,861 INFO L431 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 [2024-11-09 19:53:30,862 INFO L432 NwaCegarLoop]: 1180 mSDtfsCounter, 858 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1980 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 2395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 1980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:30,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 1250 Invalid, 2395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 1980 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-09 19:53:30,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2024-11-09 19:53:30,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2718. [2024-11-09 19:53:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2717 states have (on average 2.090172984909827) internal successors, (5679), 2717 states have internal predecessors, (5679), 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) [2024-11-09 19:53:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 5679 transitions. [2024-11-09 19:53:30,915 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 5679 transitions. Word has length 80 [2024-11-09 19:53:30,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:30,916 INFO L471 AbstractCegarLoop]: Abstraction has 2718 states and 5679 transitions. [2024-11-09 19:53:30,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-09 19:53:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 5679 transitions. [2024-11-09 19:53:30,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-09 19:53:30,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:30,919 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:30,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 19:53:30,919 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:30,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:30,920 INFO L85 PathProgramCache]: Analyzing trace with hash -789178588, now seen corresponding path program 1 times [2024-11-09 19:53:30,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:30,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720010843] [2024-11-09 19:53:30,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:30,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-09 19:53:31,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:31,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720010843] [2024-11-09 19:53:31,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720010843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:31,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:31,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 19:53:31,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135852837] [2024-11-09 19:53:31,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:31,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:53:31,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:31,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:53:31,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:31,271 INFO L87 Difference]: Start difference. First operand 2718 states and 5679 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 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) [2024-11-09 19:53:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:33,670 INFO L93 Difference]: Finished difference Result 8004 states and 16825 transitions. [2024-11-09 19:53:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:53:33,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 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 150 [2024-11-09 19:53:33,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:33,688 INFO L225 Difference]: With dead ends: 8004 [2024-11-09 19:53:33,688 INFO L226 Difference]: Without dead ends: 4432 [2024-11-09 19:53:33,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:33,695 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 745 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:33,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 592 Invalid, 2345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [548 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 19:53:33,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4432 states. [2024-11-09 19:53:33,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4432 to 3580. [2024-11-09 19:53:33,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3580 states, 3579 states have (on average 1.9773679798826487) internal successors, (7077), 3579 states have internal predecessors, (7077), 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) [2024-11-09 19:53:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3580 states and 7077 transitions. [2024-11-09 19:53:33,787 INFO L78 Accepts]: Start accepts. Automaton has 3580 states and 7077 transitions. Word has length 150 [2024-11-09 19:53:33,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:33,788 INFO L471 AbstractCegarLoop]: Abstraction has 3580 states and 7077 transitions. [2024-11-09 19:53:33,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 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) [2024-11-09 19:53:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3580 states and 7077 transitions. [2024-11-09 19:53:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-09 19:53:33,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:33,796 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:33,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 19:53:33,796 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:33,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:33,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1061633165, now seen corresponding path program 1 times [2024-11-09 19:53:33,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:33,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792186945] [2024-11-09 19:53:33,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:33,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 19:53:34,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:34,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792186945] [2024-11-09 19:53:34,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792186945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:34,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:34,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 19:53:34,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282602651] [2024-11-09 19:53:34,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:34,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:53:34,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:34,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:53:34,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:34,046 INFO L87 Difference]: Start difference. First operand 3580 states and 7077 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2024-11-09 19:53:36,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:36,286 INFO L93 Difference]: Finished difference Result 9296 states and 18628 transitions. [2024-11-09 19:53:36,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:53:36,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 163 [2024-11-09 19:53:36,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:36,307 INFO L225 Difference]: With dead ends: 9296 [2024-11-09 19:53:36,307 INFO L226 Difference]: Without dead ends: 5718 [2024-11-09 19:53:36,311 INFO L431 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 [2024-11-09 19:53:36,312 INFO L432 NwaCegarLoop]: 1087 mSDtfsCounter, 854 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 2158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:36,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 1147 Invalid, 2158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 1852 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 19:53:36,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5718 states. [2024-11-09 19:53:36,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5718 to 5718. [2024-11-09 19:53:36,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5718 states, 5717 states have (on average 1.9732377120867588) internal successors, (11281), 5717 states have internal predecessors, (11281), 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) [2024-11-09 19:53:36,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5718 states to 5718 states and 11281 transitions. [2024-11-09 19:53:36,416 INFO L78 Accepts]: Start accepts. Automaton has 5718 states and 11281 transitions. Word has length 163 [2024-11-09 19:53:36,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:36,418 INFO L471 AbstractCegarLoop]: Abstraction has 5718 states and 11281 transitions. [2024-11-09 19:53:36,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2024-11-09 19:53:36,419 INFO L276 IsEmpty]: Start isEmpty. Operand 5718 states and 11281 transitions. [2024-11-09 19:53:36,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-09 19:53:36,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:36,421 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:36,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 19:53:36,421 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:36,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:36,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1647728141, now seen corresponding path program 1 times [2024-11-09 19:53:36,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:36,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928305317] [2024-11-09 19:53:36,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:36,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-09 19:53:36,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:36,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928305317] [2024-11-09 19:53:36,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928305317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:36,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:36,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 19:53:36,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408928079] [2024-11-09 19:53:36,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:36,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:53:36,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:36,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:53:36,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:36,545 INFO L87 Difference]: Start difference. First operand 5718 states and 11281 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-11-09 19:53:38,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:38,565 INFO L93 Difference]: Finished difference Result 14411 states and 28625 transitions. [2024-11-09 19:53:38,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:53:38,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 165 [2024-11-09 19:53:38,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:38,599 INFO L225 Difference]: With dead ends: 14411 [2024-11-09 19:53:38,599 INFO L226 Difference]: Without dead ends: 8694 [2024-11-09 19:53:38,606 INFO L431 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 [2024-11-09 19:53:38,607 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 802 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1931 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 2205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 1931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:38,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 450 Invalid, 2205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 1931 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 19:53:38,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8694 states. [2024-11-09 19:53:38,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8694 to 5691. [2024-11-09 19:53:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5691 states, 5690 states have (on average 1.9753954305799648) internal successors, (11240), 5690 states have internal predecessors, (11240), 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) [2024-11-09 19:53:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5691 states to 5691 states and 11240 transitions. [2024-11-09 19:53:38,747 INFO L78 Accepts]: Start accepts. Automaton has 5691 states and 11240 transitions. Word has length 165 [2024-11-09 19:53:38,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:38,747 INFO L471 AbstractCegarLoop]: Abstraction has 5691 states and 11240 transitions. [2024-11-09 19:53:38,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-11-09 19:53:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 5691 states and 11240 transitions. [2024-11-09 19:53:38,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-09 19:53:38,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:38,750 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:38,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 19:53:38,751 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:38,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:38,751 INFO L85 PathProgramCache]: Analyzing trace with hash 950217395, now seen corresponding path program 1 times [2024-11-09 19:53:38,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:38,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816032559] [2024-11-09 19:53:38,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:38,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-09 19:53:38,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:38,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816032559] [2024-11-09 19:53:38,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816032559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:38,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:38,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 19:53:38,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285548630] [2024-11-09 19:53:38,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:38,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:53:38,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:38,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:53:38,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:38,969 INFO L87 Difference]: Start difference. First operand 5691 states and 11240 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2024-11-09 19:53:41,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:41,223 INFO L93 Difference]: Finished difference Result 14350 states and 28529 transitions. [2024-11-09 19:53:41,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:53:41,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 244 [2024-11-09 19:53:41,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:41,241 INFO L225 Difference]: With dead ends: 14350 [2024-11-09 19:53:41,241 INFO L226 Difference]: Without dead ends: 7809 [2024-11-09 19:53:41,248 INFO L431 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 [2024-11-09 19:53:41,249 INFO L432 NwaCegarLoop]: 1139 mSDtfsCounter, 741 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:41,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 1210 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 19:53:41,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7809 states. [2024-11-09 19:53:41,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7809 to 7809. [2024-11-09 19:53:41,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7809 states, 7808 states have (on average 1.9436475409836065) internal successors, (15176), 7808 states have internal predecessors, (15176), 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) [2024-11-09 19:53:41,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7809 states to 7809 states and 15176 transitions. [2024-11-09 19:53:41,373 INFO L78 Accepts]: Start accepts. Automaton has 7809 states and 15176 transitions. Word has length 244 [2024-11-09 19:53:41,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:41,374 INFO L471 AbstractCegarLoop]: Abstraction has 7809 states and 15176 transitions. [2024-11-09 19:53:41,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2024-11-09 19:53:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 7809 states and 15176 transitions. [2024-11-09 19:53:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-09 19:53:41,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:41,378 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:41,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 19:53:41,379 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:41,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:41,379 INFO L85 PathProgramCache]: Analyzing trace with hash 804137472, now seen corresponding path program 1 times [2024-11-09 19:53:41,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:41,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699614825] [2024-11-09 19:53:41,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:41,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-09 19:53:41,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:41,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699614825] [2024-11-09 19:53:41,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699614825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:41,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:41,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 19:53:41,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658868938] [2024-11-09 19:53:41,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:41,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:53:41,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:41,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:53:41,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:41,579 INFO L87 Difference]: Start difference. First operand 7809 states and 15176 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2024-11-09 19:53:43,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:43,914 INFO L93 Difference]: Finished difference Result 18604 states and 36352 transitions. [2024-11-09 19:53:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:53:43,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 284 [2024-11-09 19:53:43,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:43,936 INFO L225 Difference]: With dead ends: 18604 [2024-11-09 19:53:43,936 INFO L226 Difference]: Without dead ends: 10797 [2024-11-09 19:53:43,943 INFO L431 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 [2024-11-09 19:53:43,944 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 823 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 2200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:43,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 406 Invalid, 2200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 19:53:43,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10797 states. [2024-11-09 19:53:44,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10797 to 9940. [2024-11-09 19:53:44,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9940 states, 9939 states have (on average 1.9475802394607102) internal successors, (19357), 9939 states have internal predecessors, (19357), 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) [2024-11-09 19:53:44,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9940 states to 9940 states and 19357 transitions. [2024-11-09 19:53:44,082 INFO L78 Accepts]: Start accepts. Automaton has 9940 states and 19357 transitions. Word has length 284 [2024-11-09 19:53:44,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:44,083 INFO L471 AbstractCegarLoop]: Abstraction has 9940 states and 19357 transitions. [2024-11-09 19:53:44,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2024-11-09 19:53:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 9940 states and 19357 transitions. [2024-11-09 19:53:44,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-09 19:53:44,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:44,089 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:44,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 19:53:44,089 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:44,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:44,090 INFO L85 PathProgramCache]: Analyzing trace with hash -350038748, now seen corresponding path program 1 times [2024-11-09 19:53:44,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:44,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452005659] [2024-11-09 19:53:44,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:44,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:44,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 19:53:44,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:44,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452005659] [2024-11-09 19:53:44,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452005659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:44,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:44,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 19:53:44,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736533941] [2024-11-09 19:53:44,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:44,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 19:53:44,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:44,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 19:53:44,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 19:53:44,428 INFO L87 Difference]: Start difference. First operand 9940 states and 19357 transitions. Second operand has 4 states, 4 states have (on average 87.25) internal successors, (349), 3 states have internal predecessors, (349), 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) [2024-11-09 19:53:47,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:47,850 INFO L93 Difference]: Finished difference Result 26302 states and 51315 transitions. [2024-11-09 19:53:47,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 19:53:47,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 87.25) internal successors, (349), 3 states have internal predecessors, (349), 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 349 [2024-11-09 19:53:47,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:47,889 INFO L225 Difference]: With dead ends: 26302 [2024-11-09 19:53:47,889 INFO L226 Difference]: Without dead ends: 15938 [2024-11-09 19:53:47,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 19:53:47,902 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 1385 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 3799 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 4129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 3799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:47,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1385 Valid, 204 Invalid, 4129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 3799 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 19:53:47,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15938 states. [2024-11-09 19:53:48,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15938 to 15936. [2024-11-09 19:53:48,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15936 states, 15935 states have (on average 1.9556950109821147) internal successors, (31164), 15935 states have internal predecessors, (31164), 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) [2024-11-09 19:53:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15936 states to 15936 states and 31164 transitions. [2024-11-09 19:53:48,215 INFO L78 Accepts]: Start accepts. Automaton has 15936 states and 31164 transitions. Word has length 349 [2024-11-09 19:53:48,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:48,216 INFO L471 AbstractCegarLoop]: Abstraction has 15936 states and 31164 transitions. [2024-11-09 19:53:48,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 87.25) internal successors, (349), 3 states have internal predecessors, (349), 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) [2024-11-09 19:53:48,217 INFO L276 IsEmpty]: Start isEmpty. Operand 15936 states and 31164 transitions. [2024-11-09 19:53:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-11-09 19:53:48,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:48,226 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:48,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 19:53:48,226 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:48,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:48,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1685776369, now seen corresponding path program 1 times [2024-11-09 19:53:48,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:48,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625068950] [2024-11-09 19:53:48,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:48,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-09 19:53:48,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:48,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625068950] [2024-11-09 19:53:48,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625068950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:48,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:48,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 19:53:48,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976118758] [2024-11-09 19:53:48,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:48,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:53:48,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:48,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:53:48,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:48,472 INFO L87 Difference]: Start difference. First operand 15936 states and 31164 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2024-11-09 19:53:50,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:50,696 INFO L93 Difference]: Finished difference Result 44253 states and 86763 transitions. [2024-11-09 19:53:50,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:53:50,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 385 [2024-11-09 19:53:50,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:50,751 INFO L225 Difference]: With dead ends: 44253 [2024-11-09 19:53:50,751 INFO L226 Difference]: Without dead ends: 28319 [2024-11-09 19:53:50,763 INFO L431 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 [2024-11-09 19:53:50,764 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 857 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 2033 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 2275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 2033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:50,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 290 Invalid, 2275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 2033 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 19:53:50,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28319 states. [2024-11-09 19:53:51,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28319 to 27875. [2024-11-09 19:53:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27875 states, 27874 states have (on average 1.951711272153261) internal successors, (54402), 27874 states have internal predecessors, (54402), 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) [2024-11-09 19:53:51,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27875 states to 27875 states and 54402 transitions. [2024-11-09 19:53:51,152 INFO L78 Accepts]: Start accepts. Automaton has 27875 states and 54402 transitions. Word has length 385 [2024-11-09 19:53:51,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:51,153 INFO L471 AbstractCegarLoop]: Abstraction has 27875 states and 54402 transitions. [2024-11-09 19:53:51,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2024-11-09 19:53:51,153 INFO L276 IsEmpty]: Start isEmpty. Operand 27875 states and 54402 transitions. [2024-11-09 19:53:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2024-11-09 19:53:51,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:51,164 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:51,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 19:53:51,165 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:51,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:51,165 INFO L85 PathProgramCache]: Analyzing trace with hash -2102624975, now seen corresponding path program 1 times [2024-11-09 19:53:51,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:51,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293541924] [2024-11-09 19:53:51,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:51,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:51,521 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-09 19:53:51,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:51,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293541924] [2024-11-09 19:53:51,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293541924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:51,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:51,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 19:53:51,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287382055] [2024-11-09 19:53:51,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:51,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:53:51,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:51,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:53:51,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:51,524 INFO L87 Difference]: Start difference. First operand 27875 states and 54402 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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) [2024-11-09 19:53:53,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:53,841 INFO L93 Difference]: Finished difference Result 62161 states and 121558 transitions. [2024-11-09 19:53:53,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:53:53,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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 397 [2024-11-09 19:53:53,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:53,886 INFO L225 Difference]: With dead ends: 62161 [2024-11-09 19:53:53,886 INFO L226 Difference]: Without dead ends: 32579 [2024-11-09 19:53:53,907 INFO L431 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 [2024-11-09 19:53:53,908 INFO L432 NwaCegarLoop]: 1135 mSDtfsCounter, 823 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 2203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:53,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 1205 Invalid, 2203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 19:53:53,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32579 states. [2024-11-09 19:53:54,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32579 to 32573. [2024-11-09 19:53:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32573 states, 32572 states have (on average 1.9479921404887635) internal successors, (63450), 32572 states have internal predecessors, (63450), 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) [2024-11-09 19:53:54,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32573 states to 32573 states and 63450 transitions. [2024-11-09 19:53:54,340 INFO L78 Accepts]: Start accepts. Automaton has 32573 states and 63450 transitions. Word has length 397 [2024-11-09 19:53:54,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:54,341 INFO L471 AbstractCegarLoop]: Abstraction has 32573 states and 63450 transitions. [2024-11-09 19:53:54,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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) [2024-11-09 19:53:54,342 INFO L276 IsEmpty]: Start isEmpty. Operand 32573 states and 63450 transitions. [2024-11-09 19:53:54,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2024-11-09 19:53:54,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:54,364 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:54,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 19:53:54,365 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:54,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:54,365 INFO L85 PathProgramCache]: Analyzing trace with hash 285107925, now seen corresponding path program 1 times [2024-11-09 19:53:54,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:54,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098229855] [2024-11-09 19:53:54,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:54,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-09 19:53:54,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:54,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098229855] [2024-11-09 19:53:54,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098229855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:54,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:54,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 19:53:54,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518141292] [2024-11-09 19:53:54,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:54,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:53:54,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:54,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:53:54,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:53:54,851 INFO L87 Difference]: Start difference. First operand 32573 states and 63450 transitions. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2024-11-09 19:53:57,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:53:57,045 INFO L93 Difference]: Finished difference Result 77985 states and 152033 transitions. [2024-11-09 19:53:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:53:57,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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 447 [2024-11-09 19:53:57,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:53:57,106 INFO L225 Difference]: With dead ends: 77985 [2024-11-09 19:53:57,106 INFO L226 Difference]: Without dead ends: 45414 [2024-11-09 19:53:57,130 INFO L431 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 [2024-11-09 19:53:57,131 INFO L432 NwaCegarLoop]: 1061 mSDtfsCounter, 855 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 19:53:57,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 1118 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 19:53:57,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45414 states. [2024-11-09 19:53:57,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45414 to 43683. [2024-11-09 19:53:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43683 states, 43682 states have (on average 1.9440272881278329) internal successors, (84919), 43682 states have internal predecessors, (84919), 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) [2024-11-09 19:53:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43683 states to 43683 states and 84919 transitions. [2024-11-09 19:53:57,957 INFO L78 Accepts]: Start accepts. Automaton has 43683 states and 84919 transitions. Word has length 447 [2024-11-09 19:53:57,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:53:57,958 INFO L471 AbstractCegarLoop]: Abstraction has 43683 states and 84919 transitions. [2024-11-09 19:53:57,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2024-11-09 19:53:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 43683 states and 84919 transitions. [2024-11-09 19:53:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2024-11-09 19:53:57,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:53:57,978 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:53:57,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 19:53:57,979 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:53:57,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:53:57,980 INFO L85 PathProgramCache]: Analyzing trace with hash 780348561, now seen corresponding path program 1 times [2024-11-09 19:53:57,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:53:57,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491219846] [2024-11-09 19:53:57,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:53:57,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:53:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:53:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 19:53:58,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:53:58,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491219846] [2024-11-09 19:53:58,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491219846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:53:58,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:53:58,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 19:53:58,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497000015] [2024-11-09 19:53:58,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:53:58,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 19:53:58,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:53:58,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 19:53:58,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 19:53:58,752 INFO L87 Difference]: Start difference. First operand 43683 states and 84919 transitions. Second operand has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 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) [2024-11-09 19:54:02,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:54:02,314 INFO L93 Difference]: Finished difference Result 107445 states and 208627 transitions. [2024-11-09 19:54:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 19:54:02,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 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 455 [2024-11-09 19:54:02,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:54:02,593 INFO L225 Difference]: With dead ends: 107445 [2024-11-09 19:54:02,593 INFO L226 Difference]: Without dead ends: 63764 [2024-11-09 19:54:02,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 19:54:02,614 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 1384 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 3820 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 4275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 3820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-09 19:54:02,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1384 Valid, 196 Invalid, 4275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 3820 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-09 19:54:02,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63764 states. [2024-11-09 19:54:03,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63764 to 58208. [2024-11-09 19:54:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58208 states, 58207 states have (on average 1.9430996271926058) internal successors, (113102), 58207 states have internal predecessors, (113102), 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) [2024-11-09 19:54:03,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58208 states to 58208 states and 113102 transitions. [2024-11-09 19:54:03,807 INFO L78 Accepts]: Start accepts. Automaton has 58208 states and 113102 transitions. Word has length 455 [2024-11-09 19:54:03,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:54:03,808 INFO L471 AbstractCegarLoop]: Abstraction has 58208 states and 113102 transitions. [2024-11-09 19:54:03,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 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) [2024-11-09 19:54:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 58208 states and 113102 transitions. [2024-11-09 19:54:03,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-11-09 19:54:03,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:54:03,824 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:54:03,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 19:54:03,824 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:54:03,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:54:03,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1753648143, now seen corresponding path program 1 times [2024-11-09 19:54:03,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:54:03,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228308122] [2024-11-09 19:54:03,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:54:03,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:54:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:54:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-09 19:54:04,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:54:04,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228308122] [2024-11-09 19:54:04,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228308122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:54:04,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:54:04,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 19:54:04,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132133342] [2024-11-09 19:54:04,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:54:04,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:54:04,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:54:04,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:54:04,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:54:04,408 INFO L87 Difference]: Start difference. First operand 58208 states and 113102 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2024-11-09 19:54:06,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:54:06,512 INFO L93 Difference]: Finished difference Result 116403 states and 226191 transitions. [2024-11-09 19:54:06,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:54:06,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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 479 [2024-11-09 19:54:06,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:54:06,599 INFO L225 Difference]: With dead ends: 116403 [2024-11-09 19:54:06,599 INFO L226 Difference]: Without dead ends: 58197 [2024-11-09 19:54:06,624 INFO L431 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 [2024-11-09 19:54:06,625 INFO L432 NwaCegarLoop]: 1035 mSDtfsCounter, 853 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1918 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 2057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 19:54:06,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 1106 Invalid, 2057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1918 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 19:54:06,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58197 states. [2024-11-09 19:54:07,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58197 to 57343. [2024-11-09 19:54:07,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57343 states, 57342 states have (on average 1.921261902270587) internal successors, (110169), 57342 states have internal predecessors, (110169), 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) [2024-11-09 19:54:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57343 states to 57343 states and 110169 transitions. [2024-11-09 19:54:07,609 INFO L78 Accepts]: Start accepts. Automaton has 57343 states and 110169 transitions. Word has length 479 [2024-11-09 19:54:07,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:54:07,610 INFO L471 AbstractCegarLoop]: Abstraction has 57343 states and 110169 transitions. [2024-11-09 19:54:07,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2024-11-09 19:54:07,610 INFO L276 IsEmpty]: Start isEmpty. Operand 57343 states and 110169 transitions. [2024-11-09 19:54:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2024-11-09 19:54:07,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:54:07,629 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:54:07,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 19:54:07,630 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:54:07,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:54:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash 629889960, now seen corresponding path program 1 times [2024-11-09 19:54:07,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:54:07,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124833570] [2024-11-09 19:54:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:54:07,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:54:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:54:08,686 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-09 19:54:08,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:54:08,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124833570] [2024-11-09 19:54:08,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124833570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 19:54:08,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 19:54:08,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 19:54:08,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625757380] [2024-11-09 19:54:08,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:54:08,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 19:54:08,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:54:08,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 19:54:08,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 19:54:08,689 INFO L87 Difference]: Start difference. First operand 57343 states and 110169 transitions. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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) [2024-11-09 19:54:11,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:54:11,180 INFO L93 Difference]: Finished difference Result 118542 states and 227882 transitions. [2024-11-09 19:54:11,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 19:54:11,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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 498 [2024-11-09 19:54:11,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:54:11,278 INFO L225 Difference]: With dead ends: 118542 [2024-11-09 19:54:11,278 INFO L226 Difference]: Without dead ends: 60344 [2024-11-09 19:54:11,314 INFO L431 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 [2024-11-09 19:54:11,317 INFO L432 NwaCegarLoop]: 1091 mSDtfsCounter, 574 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 19:54:11,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 1158 Invalid, 2157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 1986 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 19:54:11,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60344 states. [2024-11-09 19:54:11,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60344 to 57344. [2024-11-09 19:54:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57344 states, 57343 states have (on average 1.92110632509635) internal successors, (110162), 57343 states have internal predecessors, (110162), 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) [2024-11-09 19:54:12,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57344 states to 57344 states and 110162 transitions. [2024-11-09 19:54:12,350 INFO L78 Accepts]: Start accepts. Automaton has 57344 states and 110162 transitions. Word has length 498 [2024-11-09 19:54:12,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:54:12,350 INFO L471 AbstractCegarLoop]: Abstraction has 57344 states and 110162 transitions. [2024-11-09 19:54:12,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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) [2024-11-09 19:54:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 57344 states and 110162 transitions. [2024-11-09 19:54:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2024-11-09 19:54:12,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:54:12,372 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:54:12,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 19:54:12,376 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:54:12,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:54:12,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1602535019, now seen corresponding path program 1 times [2024-11-09 19:54:12,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:54:12,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893082281] [2024-11-09 19:54:12,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:54:12,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:54:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:54:13,023 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 254 proven. 83 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 19:54:13,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:54:13,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893082281] [2024-11-09 19:54:13,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893082281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 19:54:13,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701546893] [2024-11-09 19:54:13,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:54:13,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 19:54:13,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 19:54:13,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 19:54:13,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 19:54:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:54:13,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 19:54:13,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 19:54:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 254 proven. 83 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 19:54:13,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 19:54:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 19:54:13,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701546893] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 19:54:13,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 19:54:13,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 5 [2024-11-09 19:54:13,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433734138] [2024-11-09 19:54:13,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:54:13,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 19:54:13,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:54:13,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 19:54:13,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 19:54:13,997 INFO L87 Difference]: Start difference. First operand 57344 states and 110162 transitions. Second operand has 4 states, 4 states have (on average 126.5) internal successors, (506), 3 states have internal predecessors, (506), 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) [2024-11-09 19:54:18,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:54:18,653 INFO L93 Difference]: Finished difference Result 138624 states and 266397 transitions. [2024-11-09 19:54:18,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 19:54:18,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 126.5) internal successors, (506), 3 states have internal predecessors, (506), 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 511 [2024-11-09 19:54:18,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:54:18,756 INFO L225 Difference]: With dead ends: 138624 [2024-11-09 19:54:18,756 INFO L226 Difference]: Without dead ends: 79569 [2024-11-09 19:54:18,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1023 GetRequests, 1019 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 19:54:18,780 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 1486 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 3893 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 4584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 3893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-09 19:54:18,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 146 Invalid, 4584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 3893 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-09 19:54:18,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79569 states. [2024-11-09 19:54:19,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79569 to 71837. [2024-11-09 19:54:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71837 states, 71836 states have (on average 1.9222117044378864) internal successors, (138084), 71836 states have internal predecessors, (138084), 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) [2024-11-09 19:54:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71837 states to 71837 states and 138084 transitions. [2024-11-09 19:54:20,059 INFO L78 Accepts]: Start accepts. Automaton has 71837 states and 138084 transitions. Word has length 511 [2024-11-09 19:54:20,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:54:20,060 INFO L471 AbstractCegarLoop]: Abstraction has 71837 states and 138084 transitions. [2024-11-09 19:54:20,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 126.5) internal successors, (506), 3 states have internal predecessors, (506), 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) [2024-11-09 19:54:20,060 INFO L276 IsEmpty]: Start isEmpty. Operand 71837 states and 138084 transitions. [2024-11-09 19:54:20,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2024-11-09 19:54:20,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:54:20,072 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:54:20,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 19:54:20,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 19:54:20,273 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:54:20,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:54:20,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1621755044, now seen corresponding path program 1 times [2024-11-09 19:54:20,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:54:20,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665357999] [2024-11-09 19:54:20,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:54:20,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:54:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:54:21,026 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 281 proven. 83 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 19:54:21,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 19:54:21,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665357999] [2024-11-09 19:54:21,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665357999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 19:54:21,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190879253] [2024-11-09 19:54:21,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:54:21,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 19:54:21,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 19:54:21,029 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 19:54:21,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 19:54:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 19:54:21,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 19:54:21,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 19:54:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 204 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 19:54:21,765 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 19:54:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 19:54:22,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190879253] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 19:54:22,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 19:54:22,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3, 4] total 7 [2024-11-09 19:54:22,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380738146] [2024-11-09 19:54:22,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 19:54:22,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 19:54:22,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 19:54:22,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 19:54:22,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 19:54:22,346 INFO L87 Difference]: Start difference. First operand 71837 states and 138084 transitions. Second operand has 5 states, 5 states have (on average 107.2) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-09 19:54:27,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 19:54:27,551 INFO L93 Difference]: Finished difference Result 184657 states and 355369 transitions. [2024-11-09 19:54:27,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 19:54:27,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 4 states have internal predecessors, (536), 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 536 [2024-11-09 19:54:27,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 19:54:27,690 INFO L225 Difference]: With dead ends: 184657 [2024-11-09 19:54:27,690 INFO L226 Difference]: Without dead ends: 110259 [2024-11-09 19:54:27,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1073 GetRequests, 1067 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 19:54:27,724 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 2057 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 5304 mSolverCounterSat, 750 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 6054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 750 IncrementalHoareTripleChecker+Valid, 5304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-09 19:54:27,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 210 Invalid, 6054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [750 Valid, 5304 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-09 19:54:27,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110259 states. [2024-11-09 19:54:28,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110259 to 85482. [2024-11-09 19:54:29,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85482 states, 85481 states have (on average 1.9151975292755115) internal successors, (163713), 85481 states have internal predecessors, (163713), 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) [2024-11-09 19:54:29,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85482 states to 85482 states and 163713 transitions. [2024-11-09 19:54:29,138 INFO L78 Accepts]: Start accepts. Automaton has 85482 states and 163713 transitions. Word has length 536 [2024-11-09 19:54:29,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 19:54:29,139 INFO L471 AbstractCegarLoop]: Abstraction has 85482 states and 163713 transitions. [2024-11-09 19:54:29,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-09 19:54:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 85482 states and 163713 transitions. [2024-11-09 19:54:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2024-11-09 19:54:29,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:54:29,153 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:54:29,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0