./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 53771750ed79b304f951ed2efee283299d0f152cbb9771c135708f3631b16485 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 23:36:29,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 23:36:29,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 23:36:29,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 23:36:29,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 23:36:29,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 23:36:29,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 23:36:29,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 23:36:29,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 23:36:29,330 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 23:36:29,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 23:36:29,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 23:36:29,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 23:36:29,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 23:36:29,332 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 23:36:29,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 23:36:29,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 23:36:29,332 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 23:36:29,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 23:36:29,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 23:36:29,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 23:36:29,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 23:36:29,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 23:36:29,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 23:36:29,333 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 23:36:29,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 23:36:29,333 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 23:36:29,333 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 23:36:29,333 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 23:36:29,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 23:36:29,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 23:36:29,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 23:36:29,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 23:36:29,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 23:36:29,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 23:36:29,334 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 23:36:29,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 23:36:29,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 23:36:29,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 23:36:29,335 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 23:36:29,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 23:36:29,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 23:36:29,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 23:36:29,335 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-jdk21/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 -> 53771750ed79b304f951ed2efee283299d0f152cbb9771c135708f3631b16485 [2025-02-05 23:36:29,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 23:36:29,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 23:36:29,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 23:36:29,562 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 23:36:29,563 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 23:36:29,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2025-02-05 23:36:30,809 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/14aafe29c/e16cd261695548c2ad99cd72282c6b3a/FLAG4a7b25f75 [2025-02-05 23:36:31,085 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 23:36:31,089 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2025-02-05 23:36:31,101 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/14aafe29c/e16cd261695548c2ad99cd72282c6b3a/FLAG4a7b25f75 [2025-02-05 23:36:31,380 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/14aafe29c/e16cd261695548c2ad99cd72282c6b3a [2025-02-05 23:36:31,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 23:36:31,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 23:36:31,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 23:36:31,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 23:36:31,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 23:36:31,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37cd045a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31, skipping insertion in model container [2025-02-05 23:36:31,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 23:36:31,519 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i[918,931] [2025-02-05 23:36:31,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 23:36:31,564 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 23:36:31,577 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i[918,931] [2025-02-05 23:36:31,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 23:36:31,634 INFO L204 MainTranslator]: Completed translation [2025-02-05 23:36:31,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31 WrapperNode [2025-02-05 23:36:31,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 23:36:31,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 23:36:31,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 23:36:31,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 23:36:31,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,684 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 229 [2025-02-05 23:36:31,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 23:36:31,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 23:36:31,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 23:36:31,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 23:36:31,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,695 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,719 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]. [2025-02-05 23:36:31,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,725 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 23:36:31,741 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 23:36:31,741 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 23:36:31,741 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 23:36:31,742 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (1/1) ... [2025-02-05 23:36:31,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 23:36:31,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 23:36:31,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 23:36:31,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 23:36:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 23:36:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 23:36:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 23:36:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 23:36:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 23:36:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 23:36:31,902 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 23:36:31,903 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 23:36:32,153 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2025-02-05 23:36:32,154 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 23:36:32,167 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 23:36:32,167 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 23:36:32,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 11:36:32 BoogieIcfgContainer [2025-02-05 23:36:32,167 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 23:36:32,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 23:36:32,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 23:36:32,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 23:36:32,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 11:36:31" (1/3) ... [2025-02-05 23:36:32,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bea15b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 11:36:32, skipping insertion in model container [2025-02-05 23:36:32,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:31" (2/3) ... [2025-02-05 23:36:32,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bea15b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 11:36:32, skipping insertion in model container [2025-02-05 23:36:32,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 11:36:32" (3/3) ... [2025-02-05 23:36:32,174 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2025-02-05 23:36:32,184 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 23:36:32,187 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i that has 2 procedures, 95 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 23:36:32,239 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 23:36:32,252 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;@5de9f6b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 23:36:32,252 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 23:36:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 66 states have (on average 1.4848484848484849) internal successors, (98), 67 states have internal predecessors, (98), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-05 23:36:32,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-05 23:36:32,265 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:32,265 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:32,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:32,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:32,269 INFO L85 PathProgramCache]: Analyzing trace with hash -936941314, now seen corresponding path program 1 times [2025-02-05 23:36:32,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:32,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772051493] [2025-02-05 23:36:32,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:32,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:32,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-05 23:36:32,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-05 23:36:32,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:32,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:32,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-02-05 23:36:32,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 23:36:32,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772051493] [2025-02-05 23:36:32,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772051493] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 23:36:32,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250588632] [2025-02-05 23:36:32,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:32,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 23:36:32,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 23:36:32,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 23:36:32,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 23:36:32,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-05 23:36:32,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-05 23:36:32,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:32,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:32,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 23:36:32,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 23:36:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-02-05 23:36:32,664 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 23:36:32,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250588632] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 23:36:32,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 23:36:32,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-05 23:36:32,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899521316] [2025-02-05 23:36:32,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 23:36:32,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 23:36:32,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 23:36:32,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 23:36:32,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 23:36:32,683 INFO L87 Difference]: Start difference. First operand has 95 states, 66 states have (on average 1.4848484848484849) internal successors, (98), 67 states have internal predecessors, (98), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-05 23:36:32,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:36:32,705 INFO L93 Difference]: Finished difference Result 184 states and 321 transitions. [2025-02-05 23:36:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 23:36:32,707 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 173 [2025-02-05 23:36:32,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:36:32,712 INFO L225 Difference]: With dead ends: 184 [2025-02-05 23:36:32,712 INFO L226 Difference]: Without dead ends: 92 [2025-02-05 23:36:32,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 23:36:32,717 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 23:36:32,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 23:36:32,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-02-05 23:36:32,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-02-05 23:36:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 64 states have (on average 1.390625) internal successors, (89), 64 states have internal predecessors, (89), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-05 23:36:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 141 transitions. [2025-02-05 23:36:32,746 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 141 transitions. Word has length 173 [2025-02-05 23:36:32,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:36:32,746 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 141 transitions. [2025-02-05 23:36:32,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-05 23:36:32,747 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 141 transitions. [2025-02-05 23:36:32,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-05 23:36:32,750 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:32,751 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:32,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-05 23:36:32,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-05 23:36:32,952 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:32,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:32,953 INFO L85 PathProgramCache]: Analyzing trace with hash -468444914, now seen corresponding path program 1 times [2025-02-05 23:36:32,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:32,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61439411] [2025-02-05 23:36:32,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:32,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:32,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-05 23:36:32,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-05 23:36:32,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:32,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-02-05 23:36:33,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 23:36:33,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61439411] [2025-02-05 23:36:33,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61439411] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 23:36:33,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 23:36:33,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 23:36:33,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231975598] [2025-02-05 23:36:33,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 23:36:33,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 23:36:33,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 23:36:33,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 23:36:33,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 23:36:33,175 INFO L87 Difference]: Start difference. First operand 92 states and 141 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:36:33,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:36:33,248 INFO L93 Difference]: Finished difference Result 268 states and 413 transitions. [2025-02-05 23:36:33,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 23:36:33,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174 [2025-02-05 23:36:33,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:36:33,252 INFO L225 Difference]: With dead ends: 268 [2025-02-05 23:36:33,253 INFO L226 Difference]: Without dead ends: 179 [2025-02-05 23:36:33,253 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 [2025-02-05 23:36:33,254 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 123 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 23:36:33,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 270 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 23:36:33,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-02-05 23:36:33,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 177. [2025-02-05 23:36:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 122 states have (on average 1.3688524590163935) internal successors, (167), 122 states have internal predecessors, (167), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-02-05 23:36:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 271 transitions. [2025-02-05 23:36:33,273 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 271 transitions. Word has length 174 [2025-02-05 23:36:33,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:36:33,273 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 271 transitions. [2025-02-05 23:36:33,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:36:33,274 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 271 transitions. [2025-02-05 23:36:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-05 23:36:33,275 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:33,275 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:33,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 23:36:33,276 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:33,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:33,276 INFO L85 PathProgramCache]: Analyzing trace with hash 884864783, now seen corresponding path program 1 times [2025-02-05 23:36:33,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:33,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218410443] [2025-02-05 23:36:33,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:33,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:33,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-05 23:36:33,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-05 23:36:33,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:33,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-02-05 23:36:33,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 23:36:33,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218410443] [2025-02-05 23:36:33,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218410443] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 23:36:33,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 23:36:33,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-05 23:36:33,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096446101] [2025-02-05 23:36:33,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 23:36:33,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-05 23:36:33,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 23:36:33,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-05 23:36:33,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-05 23:36:33,748 INFO L87 Difference]: Start difference. First operand 177 states and 271 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-05 23:36:34,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:36:34,035 INFO L93 Difference]: Finished difference Result 685 states and 1034 transitions. [2025-02-05 23:36:34,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 23:36:34,036 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 174 [2025-02-05 23:36:34,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:36:34,039 INFO L225 Difference]: With dead ends: 685 [2025-02-05 23:36:34,039 INFO L226 Difference]: Without dead ends: 511 [2025-02-05 23:36:34,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-02-05 23:36:34,041 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 338 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 23:36:34,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 522 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 23:36:34,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2025-02-05 23:36:34,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 462. [2025-02-05 23:36:34,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 345 states have (on average 1.4144927536231884) internal successors, (488), 347 states have internal predecessors, (488), 110 states have call successors, (110), 6 states have call predecessors, (110), 6 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2025-02-05 23:36:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 708 transitions. [2025-02-05 23:36:34,085 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 708 transitions. Word has length 174 [2025-02-05 23:36:34,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:36:34,086 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 708 transitions. [2025-02-05 23:36:34,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-05 23:36:34,086 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 708 transitions. [2025-02-05 23:36:34,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-05 23:36:34,087 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:34,088 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:34,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 23:36:34,088 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:34,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:34,088 INFO L85 PathProgramCache]: Analyzing trace with hash -922589680, now seen corresponding path program 1 times [2025-02-05 23:36:34,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:34,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973940683] [2025-02-05 23:36:34,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:34,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:34,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-05 23:36:34,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-05 23:36:34,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:34,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:34,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-02-05 23:36:34,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 23:36:34,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973940683] [2025-02-05 23:36:34,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973940683] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 23:36:34,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 23:36:34,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-05 23:36:34,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667424392] [2025-02-05 23:36:34,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 23:36:34,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 23:36:34,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 23:36:34,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 23:36:34,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-05 23:36:34,319 INFO L87 Difference]: Start difference. First operand 462 states and 708 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:36:34,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:36:34,464 INFO L93 Difference]: Finished difference Result 1117 states and 1704 transitions. [2025-02-05 23:36:34,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 23:36:34,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174 [2025-02-05 23:36:34,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:36:34,469 INFO L225 Difference]: With dead ends: 1117 [2025-02-05 23:36:34,469 INFO L226 Difference]: Without dead ends: 658 [2025-02-05 23:36:34,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-05 23:36:34,471 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 121 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 23:36:34,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 401 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 23:36:34,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2025-02-05 23:36:34,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 562. [2025-02-05 23:36:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 417 states have (on average 1.4004796163069544) internal successors, (584), 419 states have internal predecessors, (584), 136 states have call successors, (136), 8 states have call predecessors, (136), 8 states have return successors, (136), 134 states have call predecessors, (136), 136 states have call successors, (136) [2025-02-05 23:36:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 856 transitions. [2025-02-05 23:36:34,512 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 856 transitions. Word has length 174 [2025-02-05 23:36:34,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:36:34,513 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 856 transitions. [2025-02-05 23:36:34,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:36:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 856 transitions. [2025-02-05 23:36:34,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-05 23:36:34,515 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:34,515 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:34,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-05 23:36:34,515 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:34,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:34,516 INFO L85 PathProgramCache]: Analyzing trace with hash -269810532, now seen corresponding path program 1 times [2025-02-05 23:36:34,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:34,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514209186] [2025-02-05 23:36:34,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:34,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:34,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-05 23:36:34,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-05 23:36:34,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:34,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-02-05 23:36:34,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 23:36:34,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514209186] [2025-02-05 23:36:34,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514209186] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 23:36:34,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 23:36:34,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-05 23:36:34,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529529907] [2025-02-05 23:36:34,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 23:36:34,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-05 23:36:34,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 23:36:34,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-05 23:36:34,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-05 23:36:34,874 INFO L87 Difference]: Start difference. First operand 562 states and 856 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-05 23:36:35,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:36:35,194 INFO L93 Difference]: Finished difference Result 1094 states and 1654 transitions. [2025-02-05 23:36:35,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 23:36:35,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 175 [2025-02-05 23:36:35,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:36:35,202 INFO L225 Difference]: With dead ends: 1094 [2025-02-05 23:36:35,202 INFO L226 Difference]: Without dead ends: 631 [2025-02-05 23:36:35,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2025-02-05 23:36:35,206 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 407 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 23:36:35,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 400 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 23:36:35,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2025-02-05 23:36:35,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 582. [2025-02-05 23:36:35,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 437 states have (on average 1.3935926773455378) internal successors, (609), 439 states have internal predecessors, (609), 136 states have call successors, (136), 8 states have call predecessors, (136), 8 states have return successors, (136), 134 states have call predecessors, (136), 136 states have call successors, (136) [2025-02-05 23:36:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 881 transitions. [2025-02-05 23:36:35,260 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 881 transitions. Word has length 175 [2025-02-05 23:36:35,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:36:35,262 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 881 transitions. [2025-02-05 23:36:35,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-05 23:36:35,262 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 881 transitions. [2025-02-05 23:36:35,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-05 23:36:35,265 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:35,265 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:35,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-05 23:36:35,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:35,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:35,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1404013668, now seen corresponding path program 1 times [2025-02-05 23:36:35,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:35,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216410248] [2025-02-05 23:36:35,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:35,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:35,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-05 23:36:35,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-05 23:36:35,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:35,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-02-05 23:36:35,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 23:36:35,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216410248] [2025-02-05 23:36:35,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216410248] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 23:36:35,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678364891] [2025-02-05 23:36:35,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:35,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 23:36:35,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 23:36:35,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 23:36:35,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 23:36:35,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-05 23:36:35,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-05 23:36:35,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:35,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:35,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-05 23:36:35,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 23:36:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 295 proven. 66 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2025-02-05 23:36:35,710 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-05 23:36:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-02-05 23:36:35,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678364891] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-05 23:36:35,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-05 23:36:35,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-02-05 23:36:35,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817834646] [2025-02-05 23:36:35,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-05 23:36:35,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-05 23:36:35,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 23:36:35,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-05 23:36:35,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-05 23:36:35,913 INFO L87 Difference]: Start difference. First operand 582 states and 881 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2025-02-05 23:36:36,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:36:36,116 INFO L93 Difference]: Finished difference Result 958 states and 1441 transitions. [2025-02-05 23:36:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-05 23:36:36,116 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) Word has length 175 [2025-02-05 23:36:36,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:36:36,120 INFO L225 Difference]: With dead ends: 958 [2025-02-05 23:36:36,120 INFO L226 Difference]: Without dead ends: 454 [2025-02-05 23:36:36,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2025-02-05 23:36:36,123 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 136 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 23:36:36,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 233 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 23:36:36,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2025-02-05 23:36:36,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 264. [2025-02-05 23:36:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 178 states have (on average 1.252808988764045) internal successors, (223), 178 states have internal predecessors, (223), 78 states have call successors, (78), 7 states have call predecessors, (78), 7 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2025-02-05 23:36:36,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 379 transitions. [2025-02-05 23:36:36,157 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 379 transitions. Word has length 175 [2025-02-05 23:36:36,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:36:36,157 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 379 transitions. [2025-02-05 23:36:36,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2025-02-05 23:36:36,158 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 379 transitions. [2025-02-05 23:36:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-02-05 23:36:36,160 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:36,160 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:36,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-05 23:36:36,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 23:36:36,361 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:36,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:36,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1190932847, now seen corresponding path program 1 times [2025-02-05 23:36:36,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:36,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324101557] [2025-02-05 23:36:36,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:36,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:36,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-05 23:36:36,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-05 23:36:36,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:36,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-02-05 23:36:36,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 23:36:36,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324101557] [2025-02-05 23:36:36,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324101557] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 23:36:36,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 23:36:36,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-05 23:36:36,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817468758] [2025-02-05 23:36:36,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 23:36:36,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 23:36:36,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 23:36:36,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 23:36:36,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-05 23:36:36,597 INFO L87 Difference]: Start difference. First operand 264 states and 379 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:36:36,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:36:36,679 INFO L93 Difference]: Finished difference Result 539 states and 771 transitions. [2025-02-05 23:36:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 23:36:36,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2025-02-05 23:36:36,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:36:36,682 INFO L225 Difference]: With dead ends: 539 [2025-02-05 23:36:36,682 INFO L226 Difference]: Without dead ends: 357 [2025-02-05 23:36:36,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-05 23:36:36,687 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 49 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 23:36:36,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 295 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 23:36:36,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-02-05 23:36:36,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2025-02-05 23:36:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 249 states have (on average 1.2690763052208835) internal successors, (316), 251 states have internal predecessors, (316), 92 states have call successors, (92), 11 states have call predecessors, (92), 11 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-05 23:36:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 500 transitions. [2025-02-05 23:36:36,723 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 500 transitions. Word has length 177 [2025-02-05 23:36:36,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:36:36,725 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 500 transitions. [2025-02-05 23:36:36,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:36:36,725 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 500 transitions. [2025-02-05 23:36:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-02-05 23:36:36,726 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:36,726 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:36,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 23:36:36,726 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:36,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:36,729 INFO L85 PathProgramCache]: Analyzing trace with hash -616521616, now seen corresponding path program 1 times [2025-02-05 23:36:36,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:36,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672652235] [2025-02-05 23:36:36,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:36,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:36,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-05 23:36:36,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-05 23:36:36,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:36,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:36,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-02-05 23:36:36,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 23:36:36,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672652235] [2025-02-05 23:36:36,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672652235] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 23:36:36,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 23:36:36,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 23:36:36,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790170948] [2025-02-05 23:36:36,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 23:36:36,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 23:36:36,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 23:36:36,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 23:36:36,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 23:36:36,973 INFO L87 Difference]: Start difference. First operand 353 states and 500 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:36:37,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:36:37,136 INFO L93 Difference]: Finished difference Result 789 states and 1119 transitions. [2025-02-05 23:36:37,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 23:36:37,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2025-02-05 23:36:37,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:36:37,144 INFO L225 Difference]: With dead ends: 789 [2025-02-05 23:36:37,146 INFO L226 Difference]: Without dead ends: 520 [2025-02-05 23:36:37,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-05 23:36:37,147 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 151 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 23:36:37,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 486 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 23:36:37,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2025-02-05 23:36:37,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 512. [2025-02-05 23:36:37,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 392 states have (on average 1.3214285714285714) internal successors, (518), 398 states have internal predecessors, (518), 104 states have call successors, (104), 15 states have call predecessors, (104), 15 states have return successors, (104), 98 states have call predecessors, (104), 104 states have call successors, (104) [2025-02-05 23:36:37,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 726 transitions. [2025-02-05 23:36:37,179 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 726 transitions. Word has length 177 [2025-02-05 23:36:37,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:36:37,180 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 726 transitions. [2025-02-05 23:36:37,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:36:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 726 transitions. [2025-02-05 23:36:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-02-05 23:36:37,182 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:37,182 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:37,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-05 23:36:37,182 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:37,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:37,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1750724752, now seen corresponding path program 1 times [2025-02-05 23:36:37,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:37,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419417398] [2025-02-05 23:36:37,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:37,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:37,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-05 23:36:37,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-05 23:36:37,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:37,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-02-05 23:36:37,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 23:36:37,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419417398] [2025-02-05 23:36:37,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419417398] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 23:36:37,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687333035] [2025-02-05 23:36:37,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:37,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 23:36:37,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 23:36:37,543 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 23:36:37,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-05 23:36:37,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-05 23:36:37,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-05 23:36:37,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:37,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:37,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-05 23:36:37,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 23:36:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 763 proven. 66 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2025-02-05 23:36:37,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-05 23:36:38,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-02-05 23:36:38,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687333035] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-05 23:36:38,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-05 23:36:38,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 17 [2025-02-05 23:36:38,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702140686] [2025-02-05 23:36:38,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-05 23:36:38,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-05 23:36:38,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 23:36:38,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-05 23:36:38,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2025-02-05 23:36:38,261 INFO L87 Difference]: Start difference. First operand 512 states and 726 transitions. Second operand has 17 states, 17 states have (on average 5.588235294117647) internal successors, (95), 17 states have internal predecessors, (95), 6 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (71), 6 states have call predecessors, (71), 6 states have call successors, (71) [2025-02-05 23:36:38,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:36:38,725 INFO L93 Difference]: Finished difference Result 805 states and 1130 transitions. [2025-02-05 23:36:38,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-05 23:36:38,726 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.588235294117647) internal successors, (95), 17 states have internal predecessors, (95), 6 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (71), 6 states have call predecessors, (71), 6 states have call successors, (71) Word has length 177 [2025-02-05 23:36:38,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:36:38,729 INFO L225 Difference]: With dead ends: 805 [2025-02-05 23:36:38,729 INFO L226 Difference]: Without dead ends: 382 [2025-02-05 23:36:38,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2025-02-05 23:36:38,730 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 258 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-05 23:36:38,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 356 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-05 23:36:38,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-02-05 23:36:38,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 376. [2025-02-05 23:36:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 267 states have (on average 1.250936329588015) internal successors, (334), 269 states have internal predecessors, (334), 92 states have call successors, (92), 16 states have call predecessors, (92), 16 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-05 23:36:38,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 518 transitions. [2025-02-05 23:36:38,754 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 518 transitions. Word has length 177 [2025-02-05 23:36:38,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:36:38,754 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 518 transitions. [2025-02-05 23:36:38,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.588235294117647) internal successors, (95), 17 states have internal predecessors, (95), 6 states have call successors, (70), 3 states have call predecessors, (70), 5 states have return successors, (71), 6 states have call predecessors, (71), 6 states have call successors, (71) [2025-02-05 23:36:38,754 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 518 transitions. [2025-02-05 23:36:38,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-02-05 23:36:38,757 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:38,758 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:38,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-05 23:36:38,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 23:36:38,958 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:38,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:38,959 INFO L85 PathProgramCache]: Analyzing trace with hash -405170703, now seen corresponding path program 1 times [2025-02-05 23:36:38,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:38,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863288710] [2025-02-05 23:36:38,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:38,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:38,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-05 23:36:38,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-05 23:36:39,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:39,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-02-05 23:36:39,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 23:36:39,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863288710] [2025-02-05 23:36:39,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863288710] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 23:36:39,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003458829] [2025-02-05 23:36:39,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:39,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 23:36:39,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 23:36:39,135 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 23:36:39,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-05 23:36:39,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-05 23:36:39,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-05 23:36:39,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:39,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:39,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-05 23:36:39,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 23:36:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 295 proven. 66 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2025-02-05 23:36:39,399 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-05 23:36:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-02-05 23:36:39,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003458829] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-05 23:36:39,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-05 23:36:39,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2025-02-05 23:36:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322860146] [2025-02-05 23:36:39,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-05 23:36:39,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-05 23:36:39,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 23:36:39,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-05 23:36:39,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-02-05 23:36:39,600 INFO L87 Difference]: Start difference. First operand 376 states and 518 transitions. Second operand has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 11 states have internal predecessors, (107), 4 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) [2025-02-05 23:36:39,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:36:39,945 INFO L93 Difference]: Finished difference Result 586 states and 807 transitions. [2025-02-05 23:36:39,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-05 23:36:39,945 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 11 states have internal predecessors, (107), 4 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) Word has length 177 [2025-02-05 23:36:39,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:36:39,949 INFO L225 Difference]: With dead ends: 586 [2025-02-05 23:36:39,949 INFO L226 Difference]: Without dead ends: 297 [2025-02-05 23:36:39,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2025-02-05 23:36:39,950 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 124 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 23:36:39,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 266 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 23:36:39,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2025-02-05 23:36:39,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 291. [2025-02-05 23:36:39,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 199 states have (on average 1.2110552763819096) internal successors, (241), 199 states have internal predecessors, (241), 78 states have call successors, (78), 13 states have call predecessors, (78), 13 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2025-02-05 23:36:39,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 397 transitions. [2025-02-05 23:36:39,969 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 397 transitions. Word has length 177 [2025-02-05 23:36:39,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:36:39,970 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 397 transitions. [2025-02-05 23:36:39,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 11 states have internal predecessors, (107), 4 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) [2025-02-05 23:36:39,970 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 397 transitions. [2025-02-05 23:36:39,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-02-05 23:36:39,972 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:39,973 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:39,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-05 23:36:40,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-05 23:36:40,173 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:40,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:40,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1539373839, now seen corresponding path program 1 times [2025-02-05 23:36:40,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:40,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861264497] [2025-02-05 23:36:40,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:40,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:40,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-05 23:36:40,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-05 23:36:40,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:40,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-02-05 23:36:40,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 23:36:40,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861264497] [2025-02-05 23:36:40,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861264497] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 23:36:40,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248246634] [2025-02-05 23:36:40,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:40,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 23:36:40,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 23:36:40,420 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 23:36:40,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-05 23:36:40,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-05 23:36:40,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-05 23:36:40,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:40,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:36:40,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-05 23:36:40,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 23:36:40,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 679 proven. 78 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2025-02-05 23:36:40,706 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-05 23:36:40,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-02-05 23:36:40,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248246634] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-05 23:36:40,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-05 23:36:40,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 13 [2025-02-05 23:36:40,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586472464] [2025-02-05 23:36:40,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-05 23:36:40,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-05 23:36:40,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 23:36:40,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-05 23:36:40,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2025-02-05 23:36:40,911 INFO L87 Difference]: Start difference. First operand 291 states and 397 transitions. Second operand has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2025-02-05 23:36:41,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:36:41,537 INFO L93 Difference]: Finished difference Result 585 states and 778 transitions. [2025-02-05 23:36:41,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-05 23:36:41,537 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 177 [2025-02-05 23:36:41,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:36:41,539 INFO L225 Difference]: With dead ends: 585 [2025-02-05 23:36:41,539 INFO L226 Difference]: Without dead ends: 376 [2025-02-05 23:36:41,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 349 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=224, Invalid=532, Unknown=0, NotChecked=0, Total=756 [2025-02-05 23:36:41,542 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 212 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-05 23:36:41,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 837 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-05 23:36:41,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2025-02-05 23:36:41,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 340. [2025-02-05 23:36:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 238 states have (on average 1.180672268907563) internal successors, (281), 239 states have internal predecessors, (281), 81 states have call successors, (81), 20 states have call predecessors, (81), 20 states have return successors, (81), 80 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-05 23:36:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 443 transitions. [2025-02-05 23:36:41,565 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 443 transitions. Word has length 177 [2025-02-05 23:36:41,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:36:41,566 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 443 transitions. [2025-02-05 23:36:41,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2025-02-05 23:36:41,566 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 443 transitions. [2025-02-05 23:36:41,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-02-05 23:36:41,567 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:36:41,568 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:41,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-05 23:36:41,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-05 23:36:41,768 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:36:41,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:36:41,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1410291120, now seen corresponding path program 1 times [2025-02-05 23:36:41,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 23:36:41,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465694188] [2025-02-05 23:36:41,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:41,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 23:36:41,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-05 23:36:41,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-05 23:36:41,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:41,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-05 23:36:41,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [282597997] [2025-02-05 23:36:41,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:36:41,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 23:36:41,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 23:36:41,834 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 23:36:41,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-05 23:36:41,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-05 23:36:41,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-05 23:36:41,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:41,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 23:36:41,933 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 23:36:41,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-05 23:36:41,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-05 23:36:41,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:36:41,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 23:36:42,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 23:36:42,071 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 23:36:42,072 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 23:36:42,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-05 23:36:42,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-05 23:36:42,276 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:36:42,398 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 23:36:42,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 11:36:42 BoogieIcfgContainer [2025-02-05 23:36:42,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 23:36:42,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 23:36:42,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 23:36:42,403 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 23:36:42,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 11:36:32" (3/4) ... [2025-02-05 23:36:42,405 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 23:36:42,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 23:36:42,406 INFO L158 Benchmark]: Toolchain (without parser) took 11022.26ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 109.4MB in the beginning and 162.9MB in the end (delta: -53.5MB). Peak memory consumption was 173.6MB. Max. memory is 16.1GB. [2025-02-05 23:36:42,406 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 23:36:42,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.22ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 94.6MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 23:36:42,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.74ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 91.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 23:36:42,407 INFO L158 Benchmark]: Boogie Preprocessor took 55.22ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 89.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 23:36:42,407 INFO L158 Benchmark]: IcfgBuilder took 426.55ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 66.6MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 23:36:42,407 INFO L158 Benchmark]: TraceAbstraction took 10233.30ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 65.7MB in the beginning and 163.0MB in the end (delta: -97.4MB). Peak memory consumption was 131.7MB. Max. memory is 16.1GB. [2025-02-05 23:36:42,407 INFO L158 Benchmark]: Witness Printer took 2.89ms. Allocated memory is still 369.1MB. Free memory was 163.0MB in the beginning and 162.9MB in the end (delta: 110.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 23:36:42,408 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.22ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 94.6MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.74ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 91.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.22ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 89.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 426.55ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 66.6MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10233.30ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 65.7MB in the beginning and 163.0MB in the end (delta: -97.4MB). Peak memory consumption was 131.7MB. Max. memory is 16.1GB. * Witness Printer took 2.89ms. Allocated memory is still 369.1MB. Free memory was 163.0MB in the beginning and 162.9MB in the end (delta: 110.8kB). 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 someBinaryFLOATComparisonOperation at line 159, overapproximation of someBinaryFLOATComparisonOperation at line 192, overapproximation of someBinaryFLOATComparisonOperation at line 157, overapproximation of bitwiseOr at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 192, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 142, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 146, overapproximation of someBinaryDOUBLEComparisonOperation at line 144, overapproximation of someBinaryArithmeticFLOAToperation at line 125. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 100.25; [L23] double var_1_5 = 1.9; [L24] double var_1_6 = 7.5; [L25] double var_1_7 = 64.25; [L26] signed long int var_1_8 = 2; [L27] signed long int var_1_9 = 1000000000; [L28] signed long int var_1_10 = 1000000000; [L29] signed long int var_1_11 = 1957998270; [L30] float var_1_12 = 50.25; [L31] float var_1_13 = 9.8; [L32] float var_1_14 = 25.5; [L33] float var_1_15 = 3.5; [L34] signed long int var_1_16 = -500; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; [L37] unsigned char var_1_19 = 0; [L38] signed long int var_1_20 = -4; [L39] signed short int var_1_23 = -200; [L40] unsigned short int var_1_25 = 32; [L41] signed short int var_1_27 = 0; [L42] signed short int var_1_28 = -128; [L43] signed short int var_1_29 = 16; [L44] signed short int var_1_30 = 10; [L45] unsigned long int var_1_32 = 32; [L46] unsigned long int var_1_33 = 5; [L47] unsigned char var_1_34 = 1; [L48] unsigned char var_1_35 = 128; [L49] unsigned char var_1_36 = 10; [L50] unsigned short int var_1_37 = 256; [L51] signed long int var_1_38 = 10; [L52] double var_1_40 = 256.5; [L53] unsigned long int var_1_42 = 10; [L54] double var_1_43 = 5.602; [L55] double last_1_var_1_1 = 100.25; [L56] signed long int last_1_var_1_8 = 2; [L57] float last_1_var_1_12 = 50.25; [L58] signed long int last_1_var_1_16 = -500; [L59] unsigned char last_1_var_1_17 = 1; [L60] unsigned char last_1_var_1_19 = 0; VAL [isInitial=0, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L196] isInitial = 1 [L197] FCALL initially() [L198] COND TRUE 1 [L199] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_8 = var_1_8 [L186] last_1_var_1_12 = var_1_12 [L187] last_1_var_1_16 = var_1_16 [L188] last_1_var_1_17 = var_1_17 [L189] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L199] RET updateLastVariables() [L200] CALL updateVariables() [L141] var_1_5 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L142] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L143] var_1_6 = __VERIFIER_nondet_double() [L144] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L144] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L145] var_1_7 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=1000000000] [L146] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=1000000000] [L147] var_1_9 = __VERIFIER_nondet_long() [L148] CALL assume_abort_if_not(var_1_9 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L148] RET assume_abort_if_not(var_1_9 >= 536870911) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L149] CALL assume_abort_if_not(var_1_9 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L149] RET assume_abort_if_not(var_1_9 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L150] var_1_10 = __VERIFIER_nondet_long() [L151] CALL assume_abort_if_not(var_1_10 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L151] RET assume_abort_if_not(var_1_10 >= 536870911) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L152] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L152] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L153] var_1_11 = __VERIFIER_nondet_long() [L154] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L154] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L155] CALL assume_abort_if_not(var_1_11 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L155] RET assume_abort_if_not(var_1_11 <= 2147483646) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L156] var_1_14 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L157] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L158] var_1_15 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L159] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L160] var_1_18 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L161] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L162] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L162] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L163] var_1_23 = __VERIFIER_nondet_short() [L164] CALL assume_abort_if_not(var_1_23 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L164] RET assume_abort_if_not(var_1_23 >= -32768) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L165] CALL assume_abort_if_not(var_1_23 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L165] RET assume_abort_if_not(var_1_23 <= 32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L166] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L166] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L167] var_1_28 = __VERIFIER_nondet_short() [L168] CALL assume_abort_if_not(var_1_28 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L168] RET assume_abort_if_not(var_1_28 >= -32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L169] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L169] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L170] var_1_29 = __VERIFIER_nondet_short() [L171] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L171] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L172] CALL assume_abort_if_not(var_1_29 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L172] RET assume_abort_if_not(var_1_29 <= 32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L173] var_1_30 = __VERIFIER_nondet_short() [L174] CALL assume_abort_if_not(var_1_30 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L174] RET assume_abort_if_not(var_1_30 >= -32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L175] CALL assume_abort_if_not(var_1_30 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L175] RET assume_abort_if_not(var_1_30 <= 32766) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L176] var_1_35 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L177] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L178] CALL assume_abort_if_not(var_1_35 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L178] RET assume_abort_if_not(var_1_35 <= 254) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L179] var_1_36 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L180] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L181] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L181] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L200] RET updateVariables() [L201] CALL step() [L64] COND FALSE !(\read(var_1_19)) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L69] EXPR 8 ^ var_1_9 VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L69] EXPR ((var_1_23) < ((8 ^ var_1_9))) ? (var_1_23) : ((8 ^ var_1_9)) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L69] COND FALSE !(((((var_1_23) < ((8 ^ var_1_9))) ? (var_1_23) : ((8 ^ var_1_9)))) >= ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) [L72] COND FALSE !(var_1_23 >= (((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) - var_1_29)) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L81] var_1_32 = var_1_10 VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L82] COND FALSE !(\read(var_1_19)) [L85] var_1_33 = ((((((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) > (var_1_29)) ? (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) : (var_1_29))) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L87] COND FALSE !(var_1_9 > (var_1_11 + var_1_9)) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L90] COND FALSE !(var_1_9 > ((((var_1_11) < (((((var_1_29) > (var_1_10)) ? (var_1_29) : (var_1_10))))) ? (var_1_11) : (((((var_1_29) > (var_1_10)) ? (var_1_29) : (var_1_10))))))) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L95] COND FALSE !(500 != var_1_28) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_8=2, var_1_9=536870911] [L100] var_1_40 = var_1_5 [L101] var_1_42 = var_1_16 [L102] var_1_43 = var_1_5 VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_8=2, var_1_9=536870911] [L103] COND TRUE \read(last_1_var_1_17) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_8=2, var_1_9=536870911] [L104] COND FALSE !(var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (last_1_var_1_1 * 63.375))) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_8=2, var_1_9=536870911] [L110] COND FALSE !((((((- var_1_15)) > ((last_1_var_1_12 * var_1_6))) ? ((- var_1_15)) : ((last_1_var_1_12 * var_1_6)))) < var_1_5) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_8=2, var_1_9=536870911] [L117] var_1_8 = (((var_1_9 + var_1_10) - last_1_var_1_16) - (var_1_11 - ((((last_1_var_1_16) < 0 ) ? -(last_1_var_1_16) : (last_1_var_1_16))))) [L118] signed long int stepLocal_1 = (((var_1_16) < (var_1_9)) ? (var_1_16) : (var_1_9)); VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, stepLocal_1=-500, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_8=999, var_1_9=536870911] [L119] COND TRUE stepLocal_1 >= (var_1_16 - var_1_11) [L120] var_1_12 = var_1_7 VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=3, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=999, var_1_9=536870911] [L122] var_1_17 = (((var_1_16 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18) [L123] signed long int stepLocal_2 = var_1_16; VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, stepLocal_2=-500, var_1_10=536870911, var_1_11=1073741823, var_1_12=3, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=999, var_1_9=536870911] [L124] COND TRUE stepLocal_2 < var_1_11 [L125] var_1_13 = ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=999, var_1_9=536870911] [L129] signed long int stepLocal_0 = var_1_8; VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, stepLocal_0=999, var_1_10=536870911, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=999, var_1_9=536870911] [L130] COND FALSE !(\read(var_1_19)) [L137] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, stepLocal_0=999, var_1_10=536870911, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=999, var_1_9=536870911] [L201] RET step() [L202] CALL, EXPR property() [L192-L193] return ((((((var_1_19 ? ((var_1_8 >= var_1_8) ? (var_1_1 == ((double) (var_1_5 + var_1_6))) : (var_1_1 == ((double) (4.125 - var_1_7)))) : (var_1_1 == ((double) var_1_5))) && (var_1_8 == ((signed long int) (((var_1_9 + var_1_10) - last_1_var_1_16) - (var_1_11 - ((((last_1_var_1_16) < 0 ) ? -(last_1_var_1_16) : (last_1_var_1_16)))))))) && ((((((var_1_16) < (var_1_9)) ? (var_1_16) : (var_1_9))) >= (var_1_16 - var_1_11)) ? (var_1_12 == ((float) var_1_7)) : 1)) && ((var_1_16 < var_1_11) ? (var_1_13 == ((float) ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f))) : (var_1_13 == ((float) (var_1_15 + ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)))))))) && (((((((- var_1_15)) > ((last_1_var_1_12 * var_1_6))) ? ((- var_1_15)) : ((last_1_var_1_12 * var_1_6)))) < var_1_5) ? ((var_1_11 != ((((last_1_var_1_8) < (var_1_10)) ? (last_1_var_1_8) : (var_1_10)))) ? (last_1_var_1_19 ? (var_1_16 == ((signed long int) last_1_var_1_8)) : 1) : 1) : 1)) && (var_1_17 == ((unsigned char) (((var_1_16 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18)))) && (last_1_var_1_17 ? ((var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (last_1_var_1_1 * 63.375))) ? (var_1_19 == ((unsigned char) var_1_18)) : 1) : (var_1_19 == ((unsigned char) var_1_18))) ; VAL [\result=0, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=999, var_1_9=536870911] [L202] RET, EXPR property() [L202] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=999, var_1_9=536870911] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=-4, var_1_23=-1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=0, var_1_30=0, var_1_32=536870911, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=0, var_1_37=256, var_1_38=10, var_1_40=2, var_1_42=-500, var_1_43=2, var_1_5=2, var_1_7=3, var_1_8=999, var_1_9=536870911] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 12, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1938 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1919 mSDsluCounter, 4205 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2778 mSDsCounter, 357 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2205 IncrementalHoareTripleChecker+Invalid, 2562 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 357 mSolverCounterUnsat, 1427 mSDtfsCounter, 2205 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1691 GetRequests, 1589 SyntacticMatches, 2 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred in iteration=5, InterpolantAutomatonStates: 87, 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, 11 MinimizatonAttempts, 446 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 3163 NumberOfCodeBlocks, 3163 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3495 ConstructedInterpolants, 0 QuantifiedInterpolants, 7896 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2197 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 20 InterpolantComputations, 7 PerfectInterpolantSequences, 25206/26000 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 [2025-02-05 23:36:42,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 53771750ed79b304f951ed2efee283299d0f152cbb9771c135708f3631b16485 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 23:36:44,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 23:36:44,622 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 23:36:44,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 23:36:44,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 23:36:44,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 23:36:44,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 23:36:44,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 23:36:44,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 23:36:44,658 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 23:36:44,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 23:36:44,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 23:36:44,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 23:36:44,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 23:36:44,660 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 23:36:44,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 23:36:44,660 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 23:36:44,662 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 23:36:44,662 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 23:36:44,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 23:36:44,663 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 23:36:44,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 23:36:44,663 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-jdk21/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 -> 53771750ed79b304f951ed2efee283299d0f152cbb9771c135708f3631b16485 [2025-02-05 23:36:44,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 23:36:44,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 23:36:44,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 23:36:44,920 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 23:36:44,920 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 23:36:44,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2025-02-05 23:36:46,089 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/418c02c86/e65fceb4ef154fd0b270ed29924f42a9/FLAGde2bd64c6 [2025-02-05 23:36:46,333 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 23:36:46,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2025-02-05 23:36:46,339 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/418c02c86/e65fceb4ef154fd0b270ed29924f42a9/FLAGde2bd64c6 [2025-02-05 23:36:46,663 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/418c02c86/e65fceb4ef154fd0b270ed29924f42a9 [2025-02-05 23:36:46,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 23:36:46,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 23:36:46,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 23:36:46,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 23:36:46,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 23:36:46,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:46,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f268651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46, skipping insertion in model container [2025-02-05 23:36:46,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:46,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 23:36:46,816 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i[918,931] [2025-02-05 23:36:46,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 23:36:46,884 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 23:36:46,891 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i[918,931] [2025-02-05 23:36:46,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 23:36:46,926 INFO L204 MainTranslator]: Completed translation [2025-02-05 23:36:46,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46 WrapperNode [2025-02-05 23:36:46,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 23:36:46,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 23:36:46,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 23:36:46,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 23:36:46,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:46,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:46,968 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 195 [2025-02-05 23:36:46,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 23:36:46,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 23:36:46,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 23:36:46,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 23:36:46,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:46,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:46,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:47,004 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]. [2025-02-05 23:36:47,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:47,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:47,018 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:47,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:47,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:47,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:47,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 23:36:47,028 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 23:36:47,028 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 23:36:47,028 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 23:36:47,029 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (1/1) ... [2025-02-05 23:36:47,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 23:36:47,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 23:36:47,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 23:36:47,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 23:36:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 23:36:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 23:36:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 23:36:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 23:36:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 23:36:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 23:36:47,146 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 23:36:47,147 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 23:37:07,229 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-05 23:37:07,229 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 23:37:07,236 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 23:37:07,236 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 23:37:07,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 11:37:07 BoogieIcfgContainer [2025-02-05 23:37:07,236 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 23:37:07,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 23:37:07,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 23:37:07,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 23:37:07,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 11:36:46" (1/3) ... [2025-02-05 23:37:07,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561df3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 11:37:07, skipping insertion in model container [2025-02-05 23:37:07,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 11:36:46" (2/3) ... [2025-02-05 23:37:07,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561df3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 11:37:07, skipping insertion in model container [2025-02-05 23:37:07,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 11:37:07" (3/3) ... [2025-02-05 23:37:07,242 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2025-02-05 23:37:07,250 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 23:37:07,251 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 23:37:07,281 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 23:37:07,288 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;@79d73bec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 23:37:07,288 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 23:37:07,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-05 23:37:07,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-05 23:37:07,297 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:37:07,298 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:37:07,298 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:37:07,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:37:07,301 INFO L85 PathProgramCache]: Analyzing trace with hash 466185750, now seen corresponding path program 1 times [2025-02-05 23:37:07,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 23:37:07,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272557797] [2025-02-05 23:37:07,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:37:07,309 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 [2025-02-05 23:37:07,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 23:37:07,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-02-05 23:37:07,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 23:37:07,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-05 23:37:07,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-05 23:37:07,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:37:07,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:37:07,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 23:37:07,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 23:37:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 666 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2025-02-05 23:37:08,028 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 23:37:08,028 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 23:37:08,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272557797] [2025-02-05 23:37:08,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272557797] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 23:37:08,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 23:37:08,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 23:37:08,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329485410] [2025-02-05 23:37:08,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 23:37:08,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 23:37:08,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 23:37:08,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 23:37:08,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 23:37:08,044 INFO L87 Difference]: Start difference. First operand has 85 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-05 23:37:08,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:37:08,078 INFO L93 Difference]: Finished difference Result 164 states and 287 transitions. [2025-02-05 23:37:08,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 23:37:08,079 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 171 [2025-02-05 23:37:08,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:37:08,083 INFO L225 Difference]: With dead ends: 164 [2025-02-05 23:37:08,083 INFO L226 Difference]: Without dead ends: 82 [2025-02-05 23:37:08,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 23:37:08,087 INFO L435 NwaCegarLoop]: 126 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, 126 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 [2025-02-05 23:37:08,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 23:37:08,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2025-02-05 23:37:08,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2025-02-05 23:37:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-05 23:37:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 126 transitions. [2025-02-05 23:37:08,112 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 126 transitions. Word has length 171 [2025-02-05 23:37:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:37:08,112 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 126 transitions. [2025-02-05 23:37:08,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-05 23:37:08,112 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2025-02-05 23:37:08,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-05 23:37:08,114 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:37:08,115 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:37:08,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Forceful destruction successful, exit code 0 [2025-02-05 23:37:08,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-02-05 23:37:08,316 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:37:08,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:37:08,316 INFO L85 PathProgramCache]: Analyzing trace with hash 393892052, now seen corresponding path program 1 times [2025-02-05 23:37:08,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 23:37:08,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960476350] [2025-02-05 23:37:08,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:37:08,317 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 [2025-02-05 23:37:08,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 23:37:08,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-02-05 23:37:08,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 23:37:08,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-05 23:37:08,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-05 23:37:08,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:37:08,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:37:08,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 23:37:08,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 23:37:12,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-02-05 23:37:12,501 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 23:37:12,501 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 23:37:12,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960476350] [2025-02-05 23:37:12,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960476350] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 23:37:12,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 23:37:12,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 23:37:12,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141387704] [2025-02-05 23:37:12,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 23:37:12,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 23:37:12,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 23:37:12,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 23:37:12,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 23:37:12,504 INFO L87 Difference]: Start difference. First operand 82 states and 126 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:37:16,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 23:37:21,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 23:37:25,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 23:37:29,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 23:37:29,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:37:29,466 INFO L93 Difference]: Finished difference Result 238 states and 368 transitions. [2025-02-05 23:37:29,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 23:37:29,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2025-02-05 23:37:29,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:37:29,503 INFO L225 Difference]: With dead ends: 238 [2025-02-05 23:37:29,503 INFO L226 Difference]: Without dead ends: 159 [2025-02-05 23:37:29,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 23:37:29,505 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 37 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2025-02-05 23:37:29,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 245 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time] [2025-02-05 23:37:29,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-02-05 23:37:29,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2025-02-05 23:37:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-02-05 23:37:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 241 transitions. [2025-02-05 23:37:29,533 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 241 transitions. Word has length 171 [2025-02-05 23:37:29,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:37:29,536 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 241 transitions. [2025-02-05 23:37:29,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:37:29,537 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 241 transitions. [2025-02-05 23:37:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-05 23:37:29,538 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:37:29,538 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:37:29,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 23:37:29,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/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 [2025-02-05 23:37:29,742 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:37:29,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:37:29,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1747201749, now seen corresponding path program 1 times [2025-02-05 23:37:29,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 23:37:29,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173833294] [2025-02-05 23:37:29,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:37:29,744 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 [2025-02-05 23:37:29,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 23:37:29,747 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/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) [2025-02-05 23:37:29,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 23:37:29,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-05 23:37:30,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-05 23:37:30,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:37:30,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:37:30,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-05 23:37:30,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 23:37:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-02-05 23:37:34,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 23:37:34,879 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 23:37:34,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173833294] [2025-02-05 23:37:34,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [173833294] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 23:37:34,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 23:37:34,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 23:37:34,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498762575] [2025-02-05 23:37:34,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 23:37:34,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 23:37:34,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 23:37:34,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 23:37:34,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-05 23:37:34,882 INFO L87 Difference]: Start difference. First operand 157 states and 241 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:37:39,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 23:37:43,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 23:37:47,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 23:37:51,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 23:37:51,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 23:37:51,872 INFO L93 Difference]: Finished difference Result 404 states and 619 transitions. [2025-02-05 23:37:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 23:37:51,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2025-02-05 23:37:51,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 23:37:51,997 INFO L225 Difference]: With dead ends: 404 [2025-02-05 23:37:51,997 INFO L226 Difference]: Without dead ends: 250 [2025-02-05 23:37:51,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-05 23:37:51,999 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 91 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2025-02-05 23:37:51,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 363 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 7 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time] [2025-02-05 23:37:52,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-02-05 23:37:52,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 218. [2025-02-05 23:37:52,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 136 states have (on average 1.3088235294117647) internal successors, (178), 136 states have internal predecessors, (178), 78 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2025-02-05 23:37:52,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 334 transitions. [2025-02-05 23:37:52,043 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 334 transitions. Word has length 171 [2025-02-05 23:37:52,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 23:37:52,048 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 334 transitions. [2025-02-05 23:37:52,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-05 23:37:52,048 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 334 transitions. [2025-02-05 23:37:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-05 23:37:52,050 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 23:37:52,050 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 23:37:52,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Ended with exit code 0 [2025-02-05 23:37:52,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/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 [2025-02-05 23:37:52,251 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 23:37:52,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 23:37:52,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1794681195, now seen corresponding path program 1 times [2025-02-05 23:37:52,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 23:37:52,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199065937] [2025-02-05 23:37:52,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 23:37:52,253 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 [2025-02-05 23:37:52,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 23:37:52,257 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/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) [2025-02-05 23:37:52,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 (5)] Waiting until timeout for monitored process [2025-02-05 23:37:52,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-05 23:37:52,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-05 23:37:52,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 23:37:52,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 23:37:52,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-05 23:37:52,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 23:37:59,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 679 proven. 78 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2025-02-05 23:37:59,203 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-05 23:38:02,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-02-05 23:38:02,959 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 23:38:02,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199065937] [2025-02-05 23:38:02,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199065937] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-05 23:38:02,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-05 23:38:02,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2025-02-05 23:38:02,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517369790] [2025-02-05 23:38:02,960 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-05 23:38:02,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-05 23:38:02,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 23:38:02,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-05 23:38:02,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-05 23:38:02,961 INFO L87 Difference]: Start difference. First operand 218 states and 334 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41)