./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-84.i -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 5b5c579625c7e7f8372c6e72b92791251deae7da0317f60eb86bbc80368b12cf --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:30:17,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:30:17,286 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 13:30:17,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:30:17,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:30:17,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:30:17,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:30:17,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:30:17,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:30:17,316 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:30:17,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:30:17,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:30:17,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:30:17,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:30:17,317 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:30:17,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:30:17,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:30:17,318 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:30:17,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 13:30:17,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:30:17,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:30:17,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:30:17,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:30:17,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:30:17,319 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:30:17,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:30:17,319 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:30:17,319 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:30:17,319 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:30:17,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:30:17,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:30:17,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:30:17,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:30:17,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:30:17,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:30:17,320 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:30:17,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:30:17,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 13:30:17,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 13:30:17,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:30:17,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:30:17,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:30:17,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:30:17,321 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 5b5c579625c7e7f8372c6e72b92791251deae7da0317f60eb86bbc80368b12cf [2025-03-08 13:30:17,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:30:17,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:30:17,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:30:17,586 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:30:17,587 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:30:17,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-84.i [2025-03-08 13:30:18,763 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b9a8158/ea1be7fd863e4779be48b27588d81d75/FLAG1b41f164a [2025-03-08 13:30:18,997 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:30:18,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-84.i [2025-03-08 13:30:19,003 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b9a8158/ea1be7fd863e4779be48b27588d81d75/FLAG1b41f164a [2025-03-08 13:30:19,338 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b9a8158/ea1be7fd863e4779be48b27588d81d75 [2025-03-08 13:30:19,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:30:19,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:30:19,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:30:19,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:30:19,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:30:19,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249ac2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19, skipping insertion in model container [2025-03-08 13:30:19,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:30:19,458 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/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-84.i[913,926] [2025-03-08 13:30:19,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:30:19,520 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:30:19,529 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/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-84.i[913,926] [2025-03-08 13:30:19,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:30:19,576 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:30:19,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19 WrapperNode [2025-03-08 13:30:19,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:30:19,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:30:19,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:30:19,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:30:19,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,623 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2025-03-08 13:30:19,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:30:19,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:30:19,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:30:19,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:30:19,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,639 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,654 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]. [2025-03-08 13:30:19,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,659 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:30:19,666 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:30:19,666 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:30:19,666 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:30:19,667 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (1/1) ... [2025-03-08 13:30:19,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:30:19,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:30:19,699 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) [2025-03-08 13:30:19,702 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 [2025-03-08 13:30:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:30:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:30:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:30:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 13:30:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:30:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:30:19,776 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:30:19,777 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:30:20,068 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L119: havoc property_#t~bitwise16#1;havoc property_#t~short17#1;havoc property_#t~bitwise18#1;havoc property_#t~short19#1; [2025-03-08 13:30:20,099 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2025-03-08 13:30:20,099 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:30:20,116 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:30:20,116 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:30:20,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:30:20 BoogieIcfgContainer [2025-03-08 13:30:20,117 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:30:20,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:30:20,118 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:30:20,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:30:20,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:30:19" (1/3) ... [2025-03-08 13:30:20,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf210a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:30:20, skipping insertion in model container [2025-03-08 13:30:20,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:30:19" (2/3) ... [2025-03-08 13:30:20,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf210a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:30:20, skipping insertion in model container [2025-03-08 13:30:20,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:30:20" (3/3) ... [2025-03-08 13:30:20,124 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-84.i [2025-03-08 13:30:20,136 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:30:20,138 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-84.i that has 2 procedures, 80 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:30:20,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:30:20,190 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;@5b2cbd16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:30:20,191 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:30:20,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 55 states have (on average 1.4) internal successors, (77), 56 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-08 13:30:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-08 13:30:20,201 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:20,201 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:20,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:20,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:20,205 INFO L85 PathProgramCache]: Analyzing trace with hash 901829106, now seen corresponding path program 1 times [2025-03-08 13:30:20,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:20,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628030328] [2025-03-08 13:30:20,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:20,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:20,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 13:30:20,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 13:30:20,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:20,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:20,442 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-03-08 13:30:20,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:20,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628030328] [2025-03-08 13:30:20,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628030328] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 13:30:20,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334966283] [2025-03-08 13:30:20,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:20,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 13:30:20,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:30:20,447 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) [2025-03-08 13:30:20,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 13:30:20,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 13:30:20,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 13:30:20,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:20,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:20,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:30:20,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:30:20,596 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-03-08 13:30:20,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:30:20,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334966283] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:20,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 13:30:20,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 13:30:20,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583128911] [2025-03-08 13:30:20,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:20,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:30:20,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:20,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:30:20,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:30:20,622 INFO L87 Difference]: Start difference. First operand has 80 states, 55 states have (on average 1.4) internal successors, (77), 56 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 13:30:20,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:20,656 INFO L93 Difference]: Finished difference Result 154 states and 259 transitions. [2025-03-08 13:30:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:30:20,660 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2025-03-08 13:30:20,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:20,666 INFO L225 Difference]: With dead ends: 154 [2025-03-08 13:30:20,666 INFO L226 Difference]: Without dead ends: 77 [2025-03-08 13:30:20,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:30:20,672 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:20,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:30:20,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-03-08 13:30:20,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2025-03-08 13:30:20,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 53 states have internal predecessors, (72), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-08 13:30:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 116 transitions. [2025-03-08 13:30:20,710 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 116 transitions. Word has length 145 [2025-03-08 13:30:20,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:20,710 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 116 transitions. [2025-03-08 13:30:20,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 13:30:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2025-03-08 13:30:20,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-08 13:30:20,714 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:20,714 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:20,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 13:30:20,915 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,SelfDestructingSolverStorable0 [2025-03-08 13:30:20,915 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:20,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:20,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1926493934, now seen corresponding path program 1 times [2025-03-08 13:30:20,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:20,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333666840] [2025-03-08 13:30:20,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:20,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:20,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 13:30:20,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 13:30:20,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:20,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:21,296 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:21,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:21,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333666840] [2025-03-08 13:30:21,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333666840] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:21,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:21,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 13:30:21,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126434360] [2025-03-08 13:30:21,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:21,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 13:30:21,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:21,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 13:30:21,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 13:30:21,301 INFO L87 Difference]: Start difference. First operand 77 states and 116 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:21,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:21,329 INFO L93 Difference]: Finished difference Result 151 states and 229 transitions. [2025-03-08 13:30:21,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 13:30:21,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 145 [2025-03-08 13:30:21,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:21,333 INFO L225 Difference]: With dead ends: 151 [2025-03-08 13:30:21,333 INFO L226 Difference]: Without dead ends: 77 [2025-03-08 13:30:21,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 13:30:21,334 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:21,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 108 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:30:21,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-03-08 13:30:21,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2025-03-08 13:30:21,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 53 states have internal predecessors, (71), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-08 13:30:21,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2025-03-08 13:30:21,343 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 145 [2025-03-08 13:30:21,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:21,344 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2025-03-08 13:30:21,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:21,344 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2025-03-08 13:30:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-08 13:30:21,346 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:21,346 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:21,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 13:30:21,346 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:21,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:21,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1797411215, now seen corresponding path program 1 times [2025-03-08 13:30:21,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:21,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938890321] [2025-03-08 13:30:21,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:21,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:21,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 13:30:21,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 13:30:21,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:21,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:23,748 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:23,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:23,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938890321] [2025-03-08 13:30:23,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938890321] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:23,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:23,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 13:30:23,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568162990] [2025-03-08 13:30:23,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:23,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 13:30:23,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:23,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 13:30:23,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-03-08 13:30:23,753 INFO L87 Difference]: Start difference. First operand 77 states and 115 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:25,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:25,791 INFO L93 Difference]: Finished difference Result 335 states and 470 transitions. [2025-03-08 13:30:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 13:30:25,792 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 145 [2025-03-08 13:30:25,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:25,796 INFO L225 Difference]: With dead ends: 335 [2025-03-08 13:30:25,796 INFO L226 Difference]: Without dead ends: 261 [2025-03-08 13:30:25,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2025-03-08 13:30:25,797 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 323 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:25,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 708 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-08 13:30:25,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2025-03-08 13:30:25,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 129. [2025-03-08 13:30:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 102 states have (on average 1.392156862745098) internal successors, (142), 103 states have internal predecessors, (142), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-08 13:30:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 190 transitions. [2025-03-08 13:30:25,846 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 190 transitions. Word has length 145 [2025-03-08 13:30:25,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:25,847 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 190 transitions. [2025-03-08 13:30:25,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:25,847 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 190 transitions. [2025-03-08 13:30:25,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 13:30:25,849 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:25,850 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:25,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 13:30:25,850 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:25,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash -698195414, now seen corresponding path program 1 times [2025-03-08 13:30:25,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:25,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998414933] [2025-03-08 13:30:25,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:25,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:25,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:30:25,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:30:25,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:25,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:27,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:27,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998414933] [2025-03-08 13:30:27,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998414933] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:27,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:27,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 13:30:27,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612577313] [2025-03-08 13:30:27,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:27,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 13:30:27,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:27,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 13:30:27,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-08 13:30:27,961 INFO L87 Difference]: Start difference. First operand 129 states and 190 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:29,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:29,672 INFO L93 Difference]: Finished difference Result 500 states and 693 transitions. [2025-03-08 13:30:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-08 13:30:29,672 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2025-03-08 13:30:29,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:29,677 INFO L225 Difference]: With dead ends: 500 [2025-03-08 13:30:29,677 INFO L226 Difference]: Without dead ends: 374 [2025-03-08 13:30:29,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2025-03-08 13:30:29,680 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 420 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:29,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 723 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-08 13:30:29,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-03-08 13:30:29,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 131. [2025-03-08 13:30:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 104 states have (on average 1.4038461538461537) internal successors, (146), 105 states have internal predecessors, (146), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-08 13:30:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 194 transitions. [2025-03-08 13:30:29,703 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 194 transitions. Word has length 146 [2025-03-08 13:30:29,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:29,705 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 194 transitions. [2025-03-08 13:30:29,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:29,705 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 194 transitions. [2025-03-08 13:30:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 13:30:29,708 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:29,708 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:29,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 13:30:29,709 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:29,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:29,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2004938309, now seen corresponding path program 1 times [2025-03-08 13:30:29,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:29,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934454633] [2025-03-08 13:30:29,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:29,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:29,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:30:29,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:30:29,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:29,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:34,150 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:34,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:34,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934454633] [2025-03-08 13:30:34,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934454633] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:34,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:34,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-08 13:30:34,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587242965] [2025-03-08 13:30:34,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:34,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 13:30:34,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:34,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 13:30:34,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-08 13:30:34,152 INFO L87 Difference]: Start difference. First operand 131 states and 194 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:37,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:37,101 INFO L93 Difference]: Finished difference Result 436 states and 620 transitions. [2025-03-08 13:30:37,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-08 13:30:37,101 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2025-03-08 13:30:37,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:37,103 INFO L225 Difference]: With dead ends: 436 [2025-03-08 13:30:37,103 INFO L226 Difference]: Without dead ends: 308 [2025-03-08 13:30:37,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2025-03-08 13:30:37,104 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 442 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:37,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 455 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-08 13:30:37,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2025-03-08 13:30:37,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 132. [2025-03-08 13:30:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 105 states have (on average 1.4095238095238096) internal successors, (148), 106 states have internal predecessors, (148), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-08 13:30:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 196 transitions. [2025-03-08 13:30:37,119 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 196 transitions. Word has length 146 [2025-03-08 13:30:37,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:37,119 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 196 transitions. [2025-03-08 13:30:37,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 196 transitions. [2025-03-08 13:30:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 13:30:37,123 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:37,123 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:37,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 13:30:37,123 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:37,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:37,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1160466438, now seen corresponding path program 1 times [2025-03-08 13:30:37,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:37,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155649297] [2025-03-08 13:30:37,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:37,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:37,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:30:37,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:30:37,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:37,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:38,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:38,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155649297] [2025-03-08 13:30:38,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155649297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:38,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:38,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 13:30:38,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886866861] [2025-03-08 13:30:38,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:38,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 13:30:38,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:38,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 13:30:38,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-08 13:30:38,620 INFO L87 Difference]: Start difference. First operand 132 states and 196 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:39,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:39,575 INFO L93 Difference]: Finished difference Result 325 states and 474 transitions. [2025-03-08 13:30:39,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 13:30:39,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2025-03-08 13:30:39,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:39,578 INFO L225 Difference]: With dead ends: 325 [2025-03-08 13:30:39,578 INFO L226 Difference]: Without dead ends: 196 [2025-03-08 13:30:39,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-08 13:30:39,579 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 41 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:39,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 435 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-08 13:30:39,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2025-03-08 13:30:39,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 177. [2025-03-08 13:30:39,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 142 states have (on average 1.352112676056338) internal successors, (192), 145 states have internal predecessors, (192), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-08 13:30:39,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 252 transitions. [2025-03-08 13:30:39,603 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 252 transitions. Word has length 146 [2025-03-08 13:30:39,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:39,604 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 252 transitions. [2025-03-08 13:30:39,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:39,604 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 252 transitions. [2025-03-08 13:30:39,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 13:30:39,606 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:39,606 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:39,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 13:30:39,606 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:39,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:39,607 INFO L85 PathProgramCache]: Analyzing trace with hash -329462593, now seen corresponding path program 1 times [2025-03-08 13:30:39,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:39,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726810785] [2025-03-08 13:30:39,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:39,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:39,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:30:39,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:30:39,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:39,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:41,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:41,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726810785] [2025-03-08 13:30:41,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726810785] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:41,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:41,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 13:30:41,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031004871] [2025-03-08 13:30:41,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:41,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 13:30:41,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:41,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 13:30:41,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-08 13:30:41,747 INFO L87 Difference]: Start difference. First operand 177 states and 252 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:42,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:42,427 INFO L93 Difference]: Finished difference Result 412 states and 581 transitions. [2025-03-08 13:30:42,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 13:30:42,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2025-03-08 13:30:42,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:42,429 INFO L225 Difference]: With dead ends: 412 [2025-03-08 13:30:42,429 INFO L226 Difference]: Without dead ends: 238 [2025-03-08 13:30:42,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-08 13:30:42,430 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 60 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:42,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 528 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 13:30:42,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2025-03-08 13:30:42,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 184. [2025-03-08 13:30:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 149 states have (on average 1.348993288590604) internal successors, (201), 152 states have internal predecessors, (201), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-08 13:30:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 261 transitions. [2025-03-08 13:30:42,450 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 261 transitions. Word has length 146 [2025-03-08 13:30:42,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:42,451 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 261 transitions. [2025-03-08 13:30:42,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 261 transitions. [2025-03-08 13:30:42,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 13:30:42,452 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:42,452 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:42,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 13:30:42,453 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:42,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:42,453 INFO L85 PathProgramCache]: Analyzing trace with hash -835021218, now seen corresponding path program 1 times [2025-03-08 13:30:42,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:42,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207423251] [2025-03-08 13:30:42,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:42,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:42,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:30:42,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:30:42,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:42,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:44,401 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:44,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:44,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207423251] [2025-03-08 13:30:44,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207423251] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:44,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:44,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 13:30:44,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163071417] [2025-03-08 13:30:44,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:44,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 13:30:44,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:44,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 13:30:44,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-08 13:30:44,403 INFO L87 Difference]: Start difference. First operand 184 states and 261 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:45,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:45,115 INFO L93 Difference]: Finished difference Result 394 states and 553 transitions. [2025-03-08 13:30:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 13:30:45,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2025-03-08 13:30:45,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:45,117 INFO L225 Difference]: With dead ends: 394 [2025-03-08 13:30:45,117 INFO L226 Difference]: Without dead ends: 213 [2025-03-08 13:30:45,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-08 13:30:45,118 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 34 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:45,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 581 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 13:30:45,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-03-08 13:30:45,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 151. [2025-03-08 13:30:45,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 118 states have (on average 1.3305084745762712) internal successors, (157), 120 states have internal predecessors, (157), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-08 13:30:45,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 213 transitions. [2025-03-08 13:30:45,134 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 213 transitions. Word has length 146 [2025-03-08 13:30:45,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:45,134 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 213 transitions. [2025-03-08 13:30:45,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2025-03-08 13:30:45,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-03-08 13:30:45,135 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:45,135 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:45,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 13:30:45,136 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:45,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:45,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1959650897, now seen corresponding path program 1 times [2025-03-08 13:30:45,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:45,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877455285] [2025-03-08 13:30:45,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:45,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:45,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-08 13:30:45,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-08 13:30:45,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:45,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:48,402 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:48,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:48,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877455285] [2025-03-08 13:30:48,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877455285] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:48,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:48,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 13:30:48,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208159370] [2025-03-08 13:30:48,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:48,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 13:30:48,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:48,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 13:30:48,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-08 13:30:48,405 INFO L87 Difference]: Start difference. First operand 151 states and 213 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:49,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:49,408 INFO L93 Difference]: Finished difference Result 397 states and 555 transitions. [2025-03-08 13:30:49,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 13:30:49,409 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2025-03-08 13:30:49,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:49,410 INFO L225 Difference]: With dead ends: 397 [2025-03-08 13:30:49,410 INFO L226 Difference]: Without dead ends: 249 [2025-03-08 13:30:49,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-03-08 13:30:49,411 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 72 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:49,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 552 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 13:30:49,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-03-08 13:30:49,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 182. [2025-03-08 13:30:49,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 149 states have (on average 1.342281879194631) internal successors, (200), 151 states have internal predecessors, (200), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-08 13:30:49,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 256 transitions. [2025-03-08 13:30:49,424 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 256 transitions. Word has length 147 [2025-03-08 13:30:49,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:49,425 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 256 transitions. [2025-03-08 13:30:49,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 256 transitions. [2025-03-08 13:30:49,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-03-08 13:30:49,426 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:49,426 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:49,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 13:30:49,426 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:49,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:49,426 INFO L85 PathProgramCache]: Analyzing trace with hash 538365040, now seen corresponding path program 1 times [2025-03-08 13:30:49,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:49,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589212473] [2025-03-08 13:30:49,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:49,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:49,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-08 13:30:49,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-08 13:30:49,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:49,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:51,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:51,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589212473] [2025-03-08 13:30:51,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589212473] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:51,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:51,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-08 13:30:51,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345922187] [2025-03-08 13:30:51,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:51,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 13:30:51,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:51,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 13:30:51,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-03-08 13:30:51,346 INFO L87 Difference]: Start difference. First operand 182 states and 256 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:51,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:51,864 INFO L93 Difference]: Finished difference Result 404 states and 565 transitions. [2025-03-08 13:30:51,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 13:30:51,865 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2025-03-08 13:30:51,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:51,866 INFO L225 Difference]: With dead ends: 404 [2025-03-08 13:30:51,866 INFO L226 Difference]: Without dead ends: 225 [2025-03-08 13:30:51,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-03-08 13:30:51,867 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 107 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:51,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 426 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 13:30:51,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2025-03-08 13:30:51,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 182. [2025-03-08 13:30:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 149 states have (on average 1.342281879194631) internal successors, (200), 151 states have internal predecessors, (200), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-08 13:30:51,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 256 transitions. [2025-03-08 13:30:51,880 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 256 transitions. Word has length 147 [2025-03-08 13:30:51,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:51,881 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 256 transitions. [2025-03-08 13:30:51,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:51,881 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 256 transitions. [2025-03-08 13:30:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-03-08 13:30:51,882 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:51,882 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:51,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 13:30:51,882 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:51,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:51,882 INFO L85 PathProgramCache]: Analyzing trace with hash 2119746344, now seen corresponding path program 1 times [2025-03-08 13:30:51,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:51,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127084616] [2025-03-08 13:30:51,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:51,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:51,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-03-08 13:30:51,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-03-08 13:30:51,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:51,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:51,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:51,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127084616] [2025-03-08 13:30:51,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127084616] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:51,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:51,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 13:30:51,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935560310] [2025-03-08 13:30:51,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:51,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 13:30:51,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:51,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 13:30:51,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 13:30:51,923 INFO L87 Difference]: Start difference. First operand 182 states and 256 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:52,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:52,003 INFO L93 Difference]: Finished difference Result 432 states and 600 transitions. [2025-03-08 13:30:52,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 13:30:52,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2025-03-08 13:30:52,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:52,006 INFO L225 Difference]: With dead ends: 432 [2025-03-08 13:30:52,006 INFO L226 Difference]: Without dead ends: 253 [2025-03-08 13:30:52,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 13:30:52,007 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 45 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:52,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 196 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 13:30:52,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2025-03-08 13:30:52,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 173. [2025-03-08 13:30:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 142 states have (on average 1.3309859154929577) internal successors, (189), 143 states have internal predecessors, (189), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-08 13:30:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 241 transitions. [2025-03-08 13:30:52,022 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 241 transitions. Word has length 148 [2025-03-08 13:30:52,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:52,023 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 241 transitions. [2025-03-08 13:30:52,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:52,023 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 241 transitions. [2025-03-08 13:30:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-03-08 13:30:52,025 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:52,025 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:52,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 13:30:52,026 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:52,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:52,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1376040067, now seen corresponding path program 1 times [2025-03-08 13:30:52,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:52,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608941208] [2025-03-08 13:30:52,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:52,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:52,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-03-08 13:30:52,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-03-08 13:30:52,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:52,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:52,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:52,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608941208] [2025-03-08 13:30:52,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608941208] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:52,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:52,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 13:30:52,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27600858] [2025-03-08 13:30:52,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:52,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 13:30:52,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:52,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 13:30:52,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 13:30:52,122 INFO L87 Difference]: Start difference. First operand 173 states and 241 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:52,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:52,252 INFO L93 Difference]: Finished difference Result 479 states and 668 transitions. [2025-03-08 13:30:52,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 13:30:52,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2025-03-08 13:30:52,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:52,254 INFO L225 Difference]: With dead ends: 479 [2025-03-08 13:30:52,254 INFO L226 Difference]: Without dead ends: 309 [2025-03-08 13:30:52,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-08 13:30:52,254 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 88 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:52,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 368 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 13:30:52,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2025-03-08 13:30:52,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 221. [2025-03-08 13:30:52,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 165 states have (on average 1.290909090909091) internal successors, (213), 166 states have internal predecessors, (213), 48 states have call successors, (48), 7 states have call predecessors, (48), 7 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-08 13:30:52,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 309 transitions. [2025-03-08 13:30:52,280 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 309 transitions. Word has length 148 [2025-03-08 13:30:52,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:52,280 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 309 transitions. [2025-03-08 13:30:52,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:52,281 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 309 transitions. [2025-03-08 13:30:52,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-03-08 13:30:52,281 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:52,281 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:52,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 13:30:52,282 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:52,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:52,282 INFO L85 PathProgramCache]: Analyzing trace with hash -951784159, now seen corresponding path program 1 times [2025-03-08 13:30:52,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:52,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170590040] [2025-03-08 13:30:52,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:52,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:52,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-03-08 13:30:52,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-03-08 13:30:52,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:52,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:52,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:52,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170590040] [2025-03-08 13:30:52,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170590040] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:52,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:52,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 13:30:52,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900914413] [2025-03-08 13:30:52,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:52,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 13:30:52,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:52,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 13:30:52,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 13:30:52,321 INFO L87 Difference]: Start difference. First operand 221 states and 309 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:52,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:52,414 INFO L93 Difference]: Finished difference Result 433 states and 598 transitions. [2025-03-08 13:30:52,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 13:30:52,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2025-03-08 13:30:52,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:52,416 INFO L225 Difference]: With dead ends: 433 [2025-03-08 13:30:52,418 INFO L226 Difference]: Without dead ends: 263 [2025-03-08 13:30:52,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 13:30:52,419 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 39 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:52,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 181 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 13:30:52,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2025-03-08 13:30:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 221. [2025-03-08 13:30:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 165 states have (on average 1.2666666666666666) internal successors, (209), 166 states have internal predecessors, (209), 48 states have call successors, (48), 7 states have call predecessors, (48), 7 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-08 13:30:52,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 305 transitions. [2025-03-08 13:30:52,445 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 305 transitions. Word has length 148 [2025-03-08 13:30:52,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:52,445 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 305 transitions. [2025-03-08 13:30:52,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:30:52,446 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 305 transitions. [2025-03-08 13:30:52,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-03-08 13:30:52,446 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:52,446 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:52,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 13:30:52,447 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:52,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:52,447 INFO L85 PathProgramCache]: Analyzing trace with hash 955478728, now seen corresponding path program 1 times [2025-03-08 13:30:52,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:52,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868776229] [2025-03-08 13:30:52,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:52,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:52,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-03-08 13:30:52,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-03-08 13:30:52,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:52,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:53,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:53,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868776229] [2025-03-08 13:30:53,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868776229] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:53,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:53,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-03-08 13:30:53,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533177153] [2025-03-08 13:30:53,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:53,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-08 13:30:53,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:53,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-08 13:30:53,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2025-03-08 13:30:53,606 INFO L87 Difference]: Start difference. First operand 221 states and 305 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 13:30:54,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:30:54,816 INFO L93 Difference]: Finished difference Result 528 states and 717 transitions. [2025-03-08 13:30:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 13:30:54,816 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2025-03-08 13:30:54,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:30:54,818 INFO L225 Difference]: With dead ends: 528 [2025-03-08 13:30:54,818 INFO L226 Difference]: Without dead ends: 358 [2025-03-08 13:30:54,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2025-03-08 13:30:54,819 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 282 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-08 13:30:54,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 478 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-08 13:30:54,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2025-03-08 13:30:54,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 248. [2025-03-08 13:30:54,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 192 states have (on average 1.2916666666666667) internal successors, (248), 193 states have internal predecessors, (248), 48 states have call successors, (48), 7 states have call predecessors, (48), 7 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-08 13:30:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 344 transitions. [2025-03-08 13:30:54,841 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 344 transitions. Word has length 149 [2025-03-08 13:30:54,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:30:54,842 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 344 transitions. [2025-03-08 13:30:54,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 13:30:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 344 transitions. [2025-03-08 13:30:54,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-03-08 13:30:54,843 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:30:54,843 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:30:54,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 13:30:54,843 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:30:54,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:30:54,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1084561447, now seen corresponding path program 1 times [2025-03-08 13:30:54,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:30:54,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347281680] [2025-03-08 13:30:54,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:30:54,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:30:54,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-03-08 13:30:54,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-03-08 13:30:54,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:30:54,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:30:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:30:58,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:30:58,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347281680] [2025-03-08 13:30:58,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347281680] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:30:58,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:30:58,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-08 13:30:58,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198548374] [2025-03-08 13:30:58,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:30:58,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 13:30:58,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:30:58,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 13:30:58,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-08 13:30:58,652 INFO L87 Difference]: Start difference. First operand 248 states and 344 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:31:00,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:31:00,541 INFO L93 Difference]: Finished difference Result 533 states and 727 transitions. [2025-03-08 13:31:00,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 13:31:00,541 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2025-03-08 13:31:00,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:31:00,543 INFO L225 Difference]: With dead ends: 533 [2025-03-08 13:31:00,543 INFO L226 Difference]: Without dead ends: 336 [2025-03-08 13:31:00,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2025-03-08 13:31:00,544 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 111 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-08 13:31:00,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 794 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-08 13:31:00,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-03-08 13:31:00,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 252. [2025-03-08 13:31:00,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 196 states have (on average 1.2959183673469388) internal successors, (254), 197 states have internal predecessors, (254), 48 states have call successors, (48), 7 states have call predecessors, (48), 7 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-08 13:31:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 350 transitions. [2025-03-08 13:31:00,570 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 350 transitions. Word has length 149 [2025-03-08 13:31:00,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:31:00,570 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 350 transitions. [2025-03-08 13:31:00,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:31:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 350 transitions. [2025-03-08 13:31:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-03-08 13:31:00,571 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:31:00,571 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:31:00,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 13:31:00,571 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:31:00,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:31:00,571 INFO L85 PathProgramCache]: Analyzing trace with hash 449920103, now seen corresponding path program 1 times [2025-03-08 13:31:00,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:31:00,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543771051] [2025-03-08 13:31:00,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:31:00,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:31:00,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-03-08 13:31:00,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-03-08 13:31:00,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:31:00,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:31:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:31:02,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:31:02,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543771051] [2025-03-08 13:31:02,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543771051] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:31:02,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:31:02,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 13:31:02,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167962277] [2025-03-08 13:31:02,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:31:02,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 13:31:02,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:31:02,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 13:31:02,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-08 13:31:02,202 INFO L87 Difference]: Start difference. First operand 252 states and 350 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:31:03,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:31:03,506 INFO L93 Difference]: Finished difference Result 571 states and 774 transitions. [2025-03-08 13:31:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 13:31:03,507 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2025-03-08 13:31:03,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:31:03,509 INFO L225 Difference]: With dead ends: 571 [2025-03-08 13:31:03,509 INFO L226 Difference]: Without dead ends: 370 [2025-03-08 13:31:03,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-03-08 13:31:03,510 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 81 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:31:03,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 694 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-08 13:31:03,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-03-08 13:31:03,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 248. [2025-03-08 13:31:03,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 192 states have (on average 1.2916666666666667) internal successors, (248), 193 states have internal predecessors, (248), 48 states have call successors, (48), 7 states have call predecessors, (48), 7 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-08 13:31:03,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 344 transitions. [2025-03-08 13:31:03,533 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 344 transitions. Word has length 149 [2025-03-08 13:31:03,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:31:03,534 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 344 transitions. [2025-03-08 13:31:03,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:31:03,534 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 344 transitions. [2025-03-08 13:31:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-03-08 13:31:03,535 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:31:03,535 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:31:03,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 13:31:03,535 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:31:03,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:31:03,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1439731693, now seen corresponding path program 1 times [2025-03-08 13:31:03,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:31:03,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710850182] [2025-03-08 13:31:03,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:31:03,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:31:03,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-03-08 13:31:03,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-03-08 13:31:03,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:31:03,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-08 13:31:03,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032397083] [2025-03-08 13:31:03,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:31:03,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 13:31:03,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:31:03,586 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) [2025-03-08 13:31:03,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 13:31:03,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-03-08 13:31:03,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-03-08 13:31:03,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:31:03,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:31:03,668 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 13:31:03,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-03-08 13:31:03,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-03-08 13:31:03,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:31:03,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:31:03,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 13:31:03,770 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 13:31:03,771 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 13:31:03,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 13:31:03,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-08 13:31:03,979 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:31:04,066 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 13:31:04,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 01:31:04 BoogieIcfgContainer [2025-03-08 13:31:04,068 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 13:31:04,069 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 13:31:04,069 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 13:31:04,069 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 13:31:04,070 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:30:20" (3/4) ... [2025-03-08 13:31:04,071 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 13:31:04,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 13:31:04,072 INFO L158 Benchmark]: Toolchain (without parser) took 44732.28ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 110.6MB in the beginning and 302.5MB in the end (delta: -191.9MB). Peak memory consumption was 281.7MB. Max. memory is 16.1GB. [2025-03-08 13:31:04,073 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:31:04,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.65ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 96.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 13:31:04,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.47ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 92.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:31:04,073 INFO L158 Benchmark]: Boogie Preprocessor took 39.95ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 89.3MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:31:04,074 INFO L158 Benchmark]: IcfgBuilder took 450.87ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 62.2MB in the end (delta: 27.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 13:31:04,074 INFO L158 Benchmark]: TraceAbstraction took 43949.96ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 61.3MB in the beginning and 302.5MB in the end (delta: -241.2MB). Peak memory consumption was 231.4MB. Max. memory is 16.1GB. [2025-03-08 13:31:04,074 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 620.8MB. Free memory is still 302.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:31:04,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.65ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 96.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.47ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 92.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.95ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 89.3MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 450.87ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 62.2MB in the end (delta: 27.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 43949.96ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 61.3MB in the beginning and 302.5MB in the end (delta: -241.2MB). Peak memory consumption was 231.4MB. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 620.8MB. Free memory is still 302.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 119. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -10; [L23] signed char var_1_3 = -16; [L24] signed char var_1_4 = 50; [L25] signed char var_1_5 = 4; [L26] unsigned long int var_1_6 = 50; [L27] signed long int var_1_7 = -8; [L28] signed long int var_1_8 = -4; [L29] signed char var_1_9 = 50; [L30] unsigned char var_1_10 = 128; [L31] unsigned char var_1_11 = 5; [L32] unsigned long int var_1_12 = 10; [L33] signed char var_1_13 = 16; [L34] unsigned short int var_1_15 = 128; [L35] signed long int var_1_16 = 2; [L36] unsigned short int var_1_17 = 61498; [L37] unsigned long int var_1_18 = 1; [L38] unsigned char var_1_19 = 0; [L39] double var_1_20 = 4.9; [L40] double var_1_21 = 1.5; [L41] unsigned short int last_1_var_1_15 = 128; VAL [isInitial=0, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L123] isInitial = 1 [L124] FCALL initially() [L125] COND TRUE 1 [L126] CALL updateLastVariables() [L116] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L126] RET updateLastVariables() [L127] CALL updateVariables() [L82] var_1_3 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L83] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L84] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L84] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L85] var_1_4 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L86] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L87] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L87] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L88] var_1_5 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L89] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L90] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L90] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L91] var_1_7 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L92] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L93] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L93] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L94] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L94] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L95] var_1_8 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L96] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L97] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L97] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L98] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L98] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L99] var_1_10 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L100] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L101] CALL assume_abort_if_not(var_1_10 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L101] RET assume_abort_if_not(var_1_10 <= 255) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L102] var_1_11 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L103] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L104] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L104] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L105] CALL assume_abort_if_not(var_1_11 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L105] RET assume_abort_if_not(var_1_11 != 127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L106] var_1_16 = __VERIFIER_nondet_long() [L107] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L107] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L108] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L108] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L109] var_1_17 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L110] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L111] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L111] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L112] var_1_21 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L113] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L127] RET updateVariables() [L128] CALL step() [L45] EXPR var_1_8 & var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L45] COND FALSE !(last_1_var_1_15 <= (var_1_8 & var_1_4)) [L50] var_1_9 = var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L52] EXPR (var_1_4 + var_1_9) & var_1_7 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L52] signed long int stepLocal_3 = (var_1_4 + var_1_9) & var_1_7; [L53] COND TRUE stepLocal_3 <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16)))) [L54] var_1_15 = (var_1_11 + 64) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L58] signed long int stepLocal_1 = -4; [L59] signed long int stepLocal_0 = -16; VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L60] COND FALSE !(stepLocal_1 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L65] var_1_18 = var_1_17 [L66] var_1_19 = 0 [L67] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L68] COND FALSE !(\read(var_1_19)) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, var_1_10=127, var_1_11=120, var_1_12=10, var_1_13=16, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L71] COND TRUE var_1_3 <= var_1_1 [L72] var_1_12 = var_1_4 VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, var_1_10=127, var_1_11=120, var_1_12=0, var_1_13=16, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L76] unsigned long int stepLocal_2 = var_1_18; VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_2=32767, var_1_10=127, var_1_11=120, var_1_12=0, var_1_13=16, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L77] COND TRUE (~ var_1_3) < stepLocal_2 [L78] var_1_13 = (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, var_1_10=127, var_1_11=120, var_1_12=0, var_1_13=-5, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L128] RET step() [L129] CALL, EXPR property() [L119] EXPR ((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=0, var_1_13=-5, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L119] EXPR var_1_8 & var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=0, var_1_13=-5, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L119] EXPR ((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=0, var_1_13=-5, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L119] EXPR (((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=0, var_1_13=-5, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L119] EXPR (var_1_4 + var_1_9) & var_1_7 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=0, var_1_13=-5, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L119] EXPR (((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=0, var_1_13=-5, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L119-L120] return ((((((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11))))))) && (var_1_18 == ((unsigned long int) var_1_17))) && (var_1_19 == ((unsigned char) 0))) && (var_1_20 == ((double) var_1_21)) ; [L129] RET, EXPR property() [L129] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=0, var_1_13=-5, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=120, var_1_12=0, var_1_13=-5, var_1_15=184, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=-10, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 143 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.8s, OverallIterations: 17, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2258 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2258 mSDsluCounter, 7339 SdHoareTripleChecker+Invalid, 8.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5499 mSDsCounter, 217 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5544 IncrementalHoareTripleChecker+Invalid, 5761 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 217 mSolverCounterUnsat, 1840 mSDtfsCounter, 5544 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 340 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=15, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 1322 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 26.5s InterpolantComputationTime, 2793 NumberOfCodeBlocks, 2793 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2478 ConstructedInterpolants, 0 QuantifiedInterpolants, 16234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 336 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 17 InterpolantComputations, 16 PerfectInterpolantSequences, 15666/15708 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 13:31:04,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-84.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 5b5c579625c7e7f8372c6e72b92791251deae7da0317f60eb86bbc80368b12cf --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:31:05,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:31:05,988 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 13:31:05,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:31:05,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:31:06,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:31:06,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:31:06,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:31:06,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:31:06,024 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:31:06,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:31:06,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:31:06,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:31:06,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:31:06,025 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:31:06,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:31:06,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:31:06,026 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:31:06,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:31:06,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:31:06,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:31:06,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:31:06,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:31:06,027 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 13:31:06,027 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 13:31:06,027 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 13:31:06,027 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:31:06,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:31:06,027 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:31:06,027 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:31:06,027 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:31:06,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:31:06,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:31:06,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:31:06,029 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 5b5c579625c7e7f8372c6e72b92791251deae7da0317f60eb86bbc80368b12cf [2025-03-08 13:31:06,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:31:06,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:31:06,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:31:06,265 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:31:06,265 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:31:06,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-84.i [2025-03-08 13:31:07,408 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae8d3377/2ee344ad7050433e8a8ac02234bdb625/FLAG1d9e6a7fc [2025-03-08 13:31:07,648 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:31:07,649 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-84.i [2025-03-08 13:31:07,657 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae8d3377/2ee344ad7050433e8a8ac02234bdb625/FLAG1d9e6a7fc [2025-03-08 13:31:07,994 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae8d3377/2ee344ad7050433e8a8ac02234bdb625 [2025-03-08 13:31:07,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:31:07,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:31:07,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:31:07,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:31:08,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:31:08,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:31:07" (1/1) ... [2025-03-08 13:31:08,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31039a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08, skipping insertion in model container [2025-03-08 13:31:08,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:31:07" (1/1) ... [2025-03-08 13:31:08,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:31:08,115 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/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-84.i[913,926] [2025-03-08 13:31:08,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:31:08,166 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:31:08,173 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/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-84.i[913,926] [2025-03-08 13:31:08,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:31:08,209 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:31:08,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08 WrapperNode [2025-03-08 13:31:08,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:31:08,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:31:08,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:31:08,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:31:08,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,244 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128 [2025-03-08 13:31:08,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:31:08,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:31:08,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:31:08,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:31:08,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,257 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,271 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]. [2025-03-08 13:31:08,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,278 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:31:08,287 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:31:08,287 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:31:08,287 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:31:08,292 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (1/1) ... [2025-03-08 13:31:08,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:31:08,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:31:08,316 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) [2025-03-08 13:31:08,320 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 [2025-03-08 13:31:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:31:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 13:31:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:31:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:31:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:31:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:31:08,420 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:31:08,422 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:31:08,809 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-08 13:31:08,810 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:31:08,816 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:31:08,817 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:31:08,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:31:08 BoogieIcfgContainer [2025-03-08 13:31:08,817 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:31:08,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:31:08,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:31:08,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:31:08,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:31:07" (1/3) ... [2025-03-08 13:31:08,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452a3326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:31:08, skipping insertion in model container [2025-03-08 13:31:08,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:31:08" (2/3) ... [2025-03-08 13:31:08,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452a3326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:31:08, skipping insertion in model container [2025-03-08 13:31:08,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:31:08" (3/3) ... [2025-03-08 13:31:08,827 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-84.i [2025-03-08 13:31:08,838 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:31:08,839 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-84.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:31:08,884 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:31:08,892 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;@7cd4a3ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:31:08,892 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:31:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-08 13:31:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-08 13:31:08,905 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:31:08,906 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:31:08,906 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:31:08,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:31:08,912 INFO L85 PathProgramCache]: Analyzing trace with hash 810333172, now seen corresponding path program 1 times [2025-03-08 13:31:08,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:31:08,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980372863] [2025-03-08 13:31:08,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:31:08,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:31:08,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:31:08,923 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 13:31:08,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-08 13:31:09,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-08 13:31:09,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-08 13:31:09,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:31:09,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:31:09,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:31:09,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:31:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2025-03-08 13:31:09,173 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:31:09,173 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 13:31:09,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980372863] [2025-03-08 13:31:09,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [980372863] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:31:09,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:31:09,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 13:31:09,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855902923] [2025-03-08 13:31:09,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:31:09,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:31:09,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 13:31:09,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:31:09,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:31:09,197 INFO L87 Difference]: Start difference. First operand has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 13:31:09,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:31:09,217 INFO L93 Difference]: Finished difference Result 118 states and 203 transitions. [2025-03-08 13:31:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:31:09,219 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2025-03-08 13:31:09,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:31:09,224 INFO L225 Difference]: With dead ends: 118 [2025-03-08 13:31:09,224 INFO L226 Difference]: Without dead ends: 59 [2025-03-08 13:31:09,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:31:09,231 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:31:09,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:31:09,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-03-08 13:31:09,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-03-08 13:31:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-08 13:31:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 88 transitions. [2025-03-08 13:31:09,267 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 88 transitions. Word has length 139 [2025-03-08 13:31:09,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:31:09,268 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 88 transitions. [2025-03-08 13:31:09,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 13:31:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2025-03-08 13:31:09,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-08 13:31:09,272 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:31:09,273 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:31:09,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-08 13:31:09,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:31:09,473 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:31:09,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:31:09,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1773650708, now seen corresponding path program 1 times [2025-03-08 13:31:09,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:31:09,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609517917] [2025-03-08 13:31:09,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:31:09,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:31:09,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:31:09,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 13:31:09,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-08 13:31:09,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-08 13:31:09,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-08 13:31:09,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:31:09,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:31:09,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 13:31:09,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:31:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 13:31:09,702 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:31:09,702 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 13:31:09,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609517917] [2025-03-08 13:31:09,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609517917] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:31:09,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:31:09,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 13:31:09,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630800935] [2025-03-08 13:31:09,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:31:09,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 13:31:09,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 13:31:09,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 13:31:09,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 13:31:09,705 INFO L87 Difference]: Start difference. First operand 59 states and 88 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:31:09,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:31:09,774 INFO L93 Difference]: Finished difference Result 115 states and 173 transitions. [2025-03-08 13:31:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 13:31:09,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 139 [2025-03-08 13:31:09,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:31:09,786 INFO L225 Difference]: With dead ends: 115 [2025-03-08 13:31:09,786 INFO L226 Difference]: Without dead ends: 59 [2025-03-08 13:31:09,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 13:31:09,788 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 85 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 13:31:09,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 85 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 13:31:09,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-03-08 13:31:09,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-03-08 13:31:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-08 13:31:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2025-03-08 13:31:09,801 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 139 [2025-03-08 13:31:09,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:31:09,802 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2025-03-08 13:31:09,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-03-08 13:31:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2025-03-08 13:31:09,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-08 13:31:09,803 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:31:09,804 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:31:09,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-08 13:31:10,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:31:10,004 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:31:10,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:31:10,005 INFO L85 PathProgramCache]: Analyzing trace with hash -778506253, now seen corresponding path program 1 times [2025-03-08 13:31:10,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:31:10,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962102549] [2025-03-08 13:31:10,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:31:10,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:31:10,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:31:10,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 13:31:10,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-08 13:31:10,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-08 13:31:10,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-08 13:31:10,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:31:10,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:31:10,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-08 13:31:10,180 INFO L279 TraceCheckSpWp]: Computing forward predicates...