./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15bc9db627b3f25e2dd0c0f7f605c4f82a75892850cc409d90f3816f7fec9db6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 12:46:25,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 12:46:25,618 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 12:46:25,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 12:46:25,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 12:46:25,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 12:46:25,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 12:46:25,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 12:46:25,645 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 12:46:25,645 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 12:46:25,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 12:46:25,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 12:46:25,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 12:46:25,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 12:46:25,649 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 12:46:25,649 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:46:25,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 12:46:25,650 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15bc9db627b3f25e2dd0c0f7f605c4f82a75892850cc409d90f3816f7fec9db6 [2025-03-08 12:46:25,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 12:46:25,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 12:46:25,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 12:46:25,867 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 12:46:25,867 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 12:46:25,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i [2025-03-08 12:46:27,075 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6688cf62/c232ba736a2e44fe8ea7bd28751945be/FLAGd06f27c7b [2025-03-08 12:46:27,294 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 12:46:27,295 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i [2025-03-08 12:46:27,304 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6688cf62/c232ba736a2e44fe8ea7bd28751945be/FLAGd06f27c7b [2025-03-08 12:46:27,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6688cf62/c232ba736a2e44fe8ea7bd28751945be [2025-03-08 12:46:27,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 12:46:27,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 12:46:27,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 12:46:27,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 12:46:27,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 12:46:27,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20bb0399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27, skipping insertion in model container [2025-03-08 12:46:27,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 12:46:27,459 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i[919,932] [2025-03-08 12:46:27,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:46:27,544 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 12:46:27,552 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i[919,932] [2025-03-08 12:46:27,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:46:27,600 INFO L204 MainTranslator]: Completed translation [2025-03-08 12:46:27,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27 WrapperNode [2025-03-08 12:46:27,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 12:46:27,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 12:46:27,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 12:46:27,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 12:46:27,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,647 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 196 [2025-03-08 12:46:27,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 12:46:27,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 12:46:27,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 12:46:27,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 12:46:27,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,668 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 12:46:27,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,673 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 12:46:27,680 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 12:46:27,680 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 12:46:27,680 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 12:46:27,681 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (1/1) ... [2025-03-08 12:46:27,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:46:27,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:46:27,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 12:46:27,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 12:46:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 12:46:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 12:46:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 12:46:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 12:46:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 12:46:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 12:46:27,805 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 12:46:27,807 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 12:46:28,076 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-08 12:46:28,076 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 12:46:28,086 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 12:46:28,086 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 12:46:28,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:46:28 BoogieIcfgContainer [2025-03-08 12:46:28,086 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 12:46:28,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 12:46:28,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 12:46:28,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 12:46:28,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 12:46:27" (1/3) ... [2025-03-08 12:46:28,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfe0c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:46:28, skipping insertion in model container [2025-03-08 12:46:28,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:27" (2/3) ... [2025-03-08 12:46:28,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfe0c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:46:28, skipping insertion in model container [2025-03-08 12:46:28,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:46:28" (3/3) ... [2025-03-08 12:46:28,095 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i [2025-03-08 12:46:28,105 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 12:46:28,107 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i that has 2 procedures, 84 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 12:46:28,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 12:46:28,159 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;@2e5bdaa9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 12:46:28,160 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 12:46:28,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-08 12:46:28,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-03-08 12:46:28,171 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:28,171 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:28,171 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:28,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:28,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1557124255, now seen corresponding path program 1 times [2025-03-08 12:46:28,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:46:28,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668573039] [2025-03-08 12:46:28,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:28,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:46:28,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-08 12:46:28,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-08 12:46:28,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:28,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-08 12:46:28,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:46:28,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668573039] [2025-03-08 12:46:28,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668573039] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 12:46:28,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085812147] [2025-03-08 12:46:28,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:28,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:46:28,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:46:28,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 12:46:28,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 12:46:28,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-08 12:46:28,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-08 12:46:28,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:28,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:28,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 12:46:28,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:46:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-08 12:46:28,643 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 12:46:28,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085812147] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:46:28,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 12:46:28,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 12:46:28,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26887630] [2025-03-08 12:46:28,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:46:28,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 12:46:28,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:46:28,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 12:46:28,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:46:28,661 INFO L87 Difference]: Start difference. First operand has 84 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 12:46:28,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:46:28,681 INFO L93 Difference]: Finished difference Result 160 states and 274 transitions. [2025-03-08 12:46:28,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 12:46:28,683 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156 [2025-03-08 12:46:28,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:46:28,688 INFO L225 Difference]: With dead ends: 160 [2025-03-08 12:46:28,689 INFO L226 Difference]: Without dead ends: 79 [2025-03-08 12:46:28,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:46:28,694 INFO L435 NwaCegarLoop]: 120 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, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 12:46:28,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 12:46:28,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-03-08 12:46:28,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-03-08 12:46:28,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-08 12:46:28,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 120 transitions. [2025-03-08 12:46:28,721 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 120 transitions. Word has length 156 [2025-03-08 12:46:28,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:46:28,721 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 120 transitions. [2025-03-08 12:46:28,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 12:46:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2025-03-08 12:46:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-03-08 12:46:28,723 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:28,723 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:28,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 12:46:28,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 12:46:28,924 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:28,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:28,925 INFO L85 PathProgramCache]: Analyzing trace with hash 733717316, now seen corresponding path program 1 times [2025-03-08 12:46:28,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:46:28,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537134048] [2025-03-08 12:46:28,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:28,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:46:28,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-08 12:46:28,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-08 12:46:28,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:28,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-03-08 12:46:29,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:46:29,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537134048] [2025-03-08 12:46:29,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537134048] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:46:29,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 12:46:29,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 12:46:29,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336024951] [2025-03-08 12:46:29,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:46:29,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 12:46:29,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:46:29,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 12:46:29,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 12:46:29,137 INFO L87 Difference]: Start difference. First operand 79 states and 120 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:29,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:46:29,184 INFO L93 Difference]: Finished difference Result 209 states and 315 transitions. [2025-03-08 12:46:29,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 12:46:29,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2025-03-08 12:46:29,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:46:29,186 INFO L225 Difference]: With dead ends: 209 [2025-03-08 12:46:29,186 INFO L226 Difference]: Without dead ends: 133 [2025-03-08 12:46:29,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 12:46:29,187 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 66 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 12:46:29,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 260 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 12:46:29,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-03-08 12:46:29,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2025-03-08 12:46:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 91 states have internal predecessors, (120), 37 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-08 12:46:29,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 194 transitions. [2025-03-08 12:46:29,210 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 194 transitions. Word has length 156 [2025-03-08 12:46:29,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:46:29,211 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 194 transitions. [2025-03-08 12:46:29,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:29,211 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 194 transitions. [2025-03-08 12:46:29,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-08 12:46:29,213 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:29,213 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:29,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 12:46:29,213 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:29,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:29,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1303708613, now seen corresponding path program 1 times [2025-03-08 12:46:29,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:46:29,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060340778] [2025-03-08 12:46:29,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:29,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:46:29,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-08 12:46:29,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-08 12:46:29,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:29,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-03-08 12:46:29,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:46:29,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060340778] [2025-03-08 12:46:29,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060340778] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:46:29,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 12:46:29,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 12:46:29,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800479414] [2025-03-08 12:46:29,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:46:29,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 12:46:29,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:46:29,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 12:46:29,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 12:46:29,470 INFO L87 Difference]: Start difference. First operand 130 states and 194 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:29,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:46:29,636 INFO L93 Difference]: Finished difference Result 359 states and 538 transitions. [2025-03-08 12:46:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 12:46:29,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 157 [2025-03-08 12:46:29,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:46:29,641 INFO L225 Difference]: With dead ends: 359 [2025-03-08 12:46:29,642 INFO L226 Difference]: Without dead ends: 232 [2025-03-08 12:46:29,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 12:46:29,646 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 93 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 12:46:29,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 331 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 12:46:29,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-03-08 12:46:29,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 193. [2025-03-08 12:46:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 129 states have (on average 1.310077519379845) internal successors, (169), 130 states have internal predecessors, (169), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2025-03-08 12:46:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 289 transitions. [2025-03-08 12:46:29,686 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 289 transitions. Word has length 157 [2025-03-08 12:46:29,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:46:29,687 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 289 transitions. [2025-03-08 12:46:29,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:29,687 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 289 transitions. [2025-03-08 12:46:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-08 12:46:29,691 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:29,691 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:29,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 12:46:29,692 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:29,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:29,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1329701386, now seen corresponding path program 1 times [2025-03-08 12:46:29,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:46:29,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398102262] [2025-03-08 12:46:29,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:29,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:46:29,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 12:46:29,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 12:46:29,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:29,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-03-08 12:46:29,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:46:29,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398102262] [2025-03-08 12:46:29,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398102262] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:46:29,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 12:46:29,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 12:46:29,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052637174] [2025-03-08 12:46:29,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:46:29,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 12:46:29,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:46:29,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 12:46:29,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 12:46:29,893 INFO L87 Difference]: Start difference. First operand 193 states and 289 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:29,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:46:29,954 INFO L93 Difference]: Finished difference Result 458 states and 686 transitions. [2025-03-08 12:46:29,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 12:46:29,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 158 [2025-03-08 12:46:29,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:46:29,958 INFO L225 Difference]: With dead ends: 458 [2025-03-08 12:46:29,958 INFO L226 Difference]: Without dead ends: 319 [2025-03-08 12:46:29,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 12:46:29,959 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 66 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 12:46:29,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 233 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 12:46:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2025-03-08 12:46:29,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 317. [2025-03-08 12:46:29,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 214 states have (on average 1.280373831775701) internal successors, (274), 216 states have internal predecessors, (274), 97 states have call successors, (97), 5 states have call predecessors, (97), 5 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2025-03-08 12:46:29,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 468 transitions. [2025-03-08 12:46:29,997 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 468 transitions. Word has length 158 [2025-03-08 12:46:29,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:46:29,998 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 468 transitions. [2025-03-08 12:46:29,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 468 transitions. [2025-03-08 12:46:30,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-08 12:46:30,001 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:30,001 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:30,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 12:46:30,001 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:30,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:30,002 INFO L85 PathProgramCache]: Analyzing trace with hash 485229515, now seen corresponding path program 1 times [2025-03-08 12:46:30,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:46:30,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813810948] [2025-03-08 12:46:30,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:30,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:46:30,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 12:46:30,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 12:46:30,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:30,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:30,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-03-08 12:46:30,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:46:30,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813810948] [2025-03-08 12:46:30,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813810948] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 12:46:30,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460522896] [2025-03-08 12:46:30,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:30,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:46:30,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:46:30,252 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 12:46:30,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 12:46:30,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 12:46:30,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 12:46:30,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:30,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:30,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 12:46:30,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:46:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2025-03-08 12:46:30,505 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:46:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-03-08 12:46:30,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460522896] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 12:46:30,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 12:46:30,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-03-08 12:46:30,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792426353] [2025-03-08 12:46:30,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 12:46:30,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 12:46:30,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:46:30,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 12:46:30,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 12:46:30,721 INFO L87 Difference]: Start difference. First operand 317 states and 468 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 12:46:30,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:46:30,904 INFO L93 Difference]: Finished difference Result 479 states and 701 transitions. [2025-03-08 12:46:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 12:46:30,905 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 158 [2025-03-08 12:46:30,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:46:30,907 INFO L225 Difference]: With dead ends: 479 [2025-03-08 12:46:30,907 INFO L226 Difference]: Without dead ends: 221 [2025-03-08 12:46:30,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 313 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-03-08 12:46:30,908 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 123 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 12:46:30,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 192 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 12:46:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-03-08 12:46:30,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 215. [2025-03-08 12:46:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 139 states have (on average 1.1870503597122302) internal successors, (165), 139 states have internal predecessors, (165), 69 states have call successors, (69), 6 states have call predecessors, (69), 6 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-03-08 12:46:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 303 transitions. [2025-03-08 12:46:30,935 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 303 transitions. Word has length 158 [2025-03-08 12:46:30,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:46:30,935 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 303 transitions. [2025-03-08 12:46:30,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 12:46:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 303 transitions. [2025-03-08 12:46:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-08 12:46:30,937 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:30,937 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:30,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 12:46:31,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:46:31,141 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:31,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:31,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1658042720, now seen corresponding path program 1 times [2025-03-08 12:46:31,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:46:31,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441085704] [2025-03-08 12:46:31,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:31,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:46:31,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 12:46:31,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 12:46:31,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:31,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-03-08 12:46:31,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:46:31,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441085704] [2025-03-08 12:46:31,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441085704] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:46:31,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 12:46:31,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 12:46:31,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451869253] [2025-03-08 12:46:31,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:46:31,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 12:46:31,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:46:31,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 12:46:31,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 12:46:31,354 INFO L87 Difference]: Start difference. First operand 215 states and 303 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:31,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:46:31,455 INFO L93 Difference]: Finished difference Result 304 states and 422 transitions. [2025-03-08 12:46:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 12:46:31,455 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 159 [2025-03-08 12:46:31,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:46:31,457 INFO L225 Difference]: With dead ends: 304 [2025-03-08 12:46:31,457 INFO L226 Difference]: Without dead ends: 227 [2025-03-08 12:46:31,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 12:46:31,458 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 120 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 12:46:31,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 117 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 12:46:31,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-03-08 12:46:31,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 148. [2025-03-08 12:46:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 95 states have (on average 1.1368421052631579) internal successors, (108), 95 states have internal predecessors, (108), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-08 12:46:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 200 transitions. [2025-03-08 12:46:31,473 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 200 transitions. Word has length 159 [2025-03-08 12:46:31,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:46:31,473 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 200 transitions. [2025-03-08 12:46:31,473 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 200 transitions. [2025-03-08 12:46:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-08 12:46:31,474 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:31,474 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:31,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 12:46:31,475 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:31,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:31,475 INFO L85 PathProgramCache]: Analyzing trace with hash -149411743, now seen corresponding path program 1 times [2025-03-08 12:46:31,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:46:31,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001381688] [2025-03-08 12:46:31,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:31,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:46:31,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 12:46:31,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 12:46:31,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:31,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 12:46:31,554 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 12:46:31,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 12:46:31,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 12:46:31,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:31,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 12:46:31,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 12:46:31,658 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 12:46:31,658 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 12:46:31,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 12:46:31,662 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:31,760 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 12:46:31,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 12:46:31 BoogieIcfgContainer [2025-03-08 12:46:31,766 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 12:46:31,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 12:46:31,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 12:46:31,767 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 12:46:31,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:46:28" (3/4) ... [2025-03-08 12:46:31,769 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 12:46:31,770 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 12:46:31,770 INFO L158 Benchmark]: Toolchain (without parser) took 4446.36ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 113.1MB in the beginning and 186.7MB in the end (delta: -73.6MB). Peak memory consumption was 181.0MB. Max. memory is 16.1GB. [2025-03-08 12:46:31,771 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 12:46:31,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.06ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 98.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 12:46:31,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.56ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 95.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 12:46:31,771 INFO L158 Benchmark]: Boogie Preprocessor took 29.15ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 93.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 12:46:31,771 INFO L158 Benchmark]: IcfgBuilder took 406.29ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 72.2MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 12:46:31,772 INFO L158 Benchmark]: TraceAbstraction took 3677.80ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 71.7MB in the beginning and 188.3MB in the end (delta: -116.6MB). Peak memory consumption was 139.0MB. Max. memory is 16.1GB. [2025-03-08 12:46:31,772 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 402.7MB. Free memory was 188.3MB in the beginning and 186.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 12:46:31,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.06ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 98.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.56ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 95.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.15ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 93.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 406.29ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 72.2MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3677.80ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 71.7MB in the beginning and 188.3MB in the end (delta: -116.6MB). Peak memory consumption was 139.0MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 402.7MB. Free memory was 188.3MB in the beginning and 186.7MB in the end (delta: 1.6MB). 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 170, overapproximation of someBinaryFLOATComparisonOperation at line 154, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 152, overapproximation of someBinaryFLOATComparisonOperation at line 196, overapproximation of someBinaryFLOATComparisonOperation at line 168, overapproximation of someBinaryDOUBLEComparisonOperation at line 172, overapproximation of someBinaryDOUBLEComparisonOperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 196, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 174, overapproximation of someBinaryDOUBLEComparisonOperation at line 114. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] float var_1_3 = 32.4; [L24] float var_1_4 = 49.2; [L25] signed short int var_1_7 = 10; [L26] signed short int var_1_8 = 64; [L27] signed short int var_1_9 = 256; [L28] signed char var_1_10 = -5; [L29] signed char var_1_11 = 5; [L30] double var_1_12 = 256.4; [L31] float var_1_13 = 2.6; [L32] float var_1_14 = 128.125; [L33] double var_1_15 = 32.5; [L34] double var_1_16 = 10000000000.25; [L35] signed char var_1_17 = -5; [L36] unsigned char var_1_19 = 0; [L37] unsigned char var_1_20 = 0; [L38] signed long int var_1_21 = 1; [L39] signed short int var_1_22 = 17178; [L40] signed short int var_1_23 = 5; [L41] signed long int var_1_25 = -4; [L42] signed short int var_1_26 = 10; [L43] signed long int var_1_34 = -10; [L44] double var_1_36 = 4.85; [L45] double var_1_38 = 15.75; [L46] signed char var_1_39 = -100; [L47] signed short int var_1_41 = -32; [L48] signed char var_1_42 = 4; [L49] signed char var_1_43 = -8; [L50] signed short int var_1_44 = -25; [L51] signed char last_1_var_1_10 = -5; [L52] signed long int last_1_var_1_21 = 1; [L53] signed long int last_1_var_1_25 = -4; VAL [isInitial=0, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_3=162/5, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L200] isInitial = 1 [L201] FCALL initially() [L202] COND TRUE 1 [L203] CALL updateLastVariables() [L191] last_1_var_1_10 = var_1_10 [L192] last_1_var_1_21 = var_1_21 [L193] last_1_var_1_25 = var_1_25 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_3=162/5, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L203] RET updateLastVariables() [L204] CALL updateVariables() [L151] var_1_3 = __VERIFIER_nondet_float() [L152] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L152] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L153] var_1_4 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=10, var_1_8=64, var_1_9=256] [L154] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=10, var_1_8=64, var_1_9=256] [L155] var_1_7 = __VERIFIER_nondet_short() [L156] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=64, var_1_9=256] [L156] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=64, var_1_9=256] [L157] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=64, var_1_9=256] [L157] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=64, var_1_9=256] [L158] var_1_8 = __VERIFIER_nondet_short() [L159] CALL assume_abort_if_not(var_1_8 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=256] [L159] RET assume_abort_if_not(var_1_8 >= -1) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=256] [L160] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=256] [L160] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=256] [L161] var_1_9 = __VERIFIER_nondet_short() [L162] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L162] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L163] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L163] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L164] var_1_11 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L165] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L166] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L166] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L167] var_1_13 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L168] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L169] var_1_14 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L170] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L171] var_1_15 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L172] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L173] var_1_16 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L174] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L175] var_1_20 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L176] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L177] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L177] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L178] var_1_22 = __VERIFIER_nondet_short() [L179] CALL assume_abort_if_not(var_1_22 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L179] RET assume_abort_if_not(var_1_22 >= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L180] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L180] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L181] var_1_23 = __VERIFIER_nondet_short() [L182] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L182] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L183] CALL assume_abort_if_not(var_1_23 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L183] RET assume_abort_if_not(var_1_23 <= 16384) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L184] var_1_38 = __VERIFIER_nondet_double() [L185] CALL assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 2305843.009213691390e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L185] RET assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 2305843.009213691390e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L186] var_1_43 = __VERIFIER_nondet_char() [L187] CALL assume_abort_if_not(var_1_43 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L187] RET assume_abort_if_not(var_1_43 >= -126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L188] CALL assume_abort_if_not(var_1_43 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L188] RET assume_abort_if_not(var_1_43 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L204] RET updateVariables() [L205] CALL step() [L57] COND TRUE ! var_1_20 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L58] COND FALSE !(\read(var_1_20)) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=10, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L61] COND FALSE !(var_1_11 >= 25) [L72] var_1_26 = var_1_11 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L76] var_1_34 = ((((128) < (((((var_1_22) > ((-5 + var_1_10))) ? (var_1_22) : ((-5 + var_1_10)))))) ? (128) : (((((var_1_22) > ((-5 + var_1_10))) ? (var_1_22) : ((-5 + var_1_10))))))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=97/20, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L77] COND FALSE !(\read(var_1_20)) [L80] var_1_36 = ((((var_1_16) > (var_1_38)) ? (var_1_16) : (var_1_38))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-100, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L82] var_1_39 = var_1_11 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L83] COND FALSE !(\read(var_1_19)) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=4, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L86] COND TRUE var_1_23 <= var_1_22 [L87] var_1_42 = ((((var_1_43) < 0 ) ? -(var_1_43) : (var_1_43))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=-25, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L89] COND TRUE (! var_1_20) || var_1_20 [L90] var_1_44 = var_1_23 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L102] COND TRUE last_1_var_1_10 < last_1_var_1_25 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L103] COND TRUE var_1_11 <= last_1_var_1_25 [L104] var_1_19 = var_1_20 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L107] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=1282/5, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L108] COND FALSE !(var_1_4 >= (var_1_3 * (var_1_13 + var_1_14))) [L111] var_1_12 = var_1_16 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L113] unsigned char stepLocal_1 = var_1_19; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L114] COND FALSE !(var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L121] COND FALSE !(\read(var_1_19)) [L124] var_1_25 = var_1_10 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L126] unsigned char stepLocal_0 = var_1_12 > var_1_12; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_0=1, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L127] COND TRUE var_1_19 || stepLocal_0 [L128] var_1_1 = (var_1_17 + var_1_17) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L132] signed long int stepLocal_3 = var_1_22 + var_1_11; [L133] signed long int stepLocal_2 = (var_1_22 - var_1_23) - var_1_9; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, stepLocal_2=-3, stepLocal_3=16381, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L134] COND FALSE !(\read(var_1_20)) [L147] var_1_21 = var_1_9 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, stepLocal_2=-3, stepLocal_3=16381, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=8368, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L205] RET step() [L206] CALL, EXPR property() [L196-L197] return (((((((var_1_19 || (var_1_12 > var_1_12)) ? (var_1_1 == ((signed short int) (var_1_17 + var_1_17))) : (var_1_1 == ((signed short int) ((((((var_1_7 + 1)) < (var_1_8)) ? ((var_1_7 + 1)) : (var_1_8))) - (24762 - var_1_9))))) && (var_1_10 == ((signed char) var_1_11))) && ((var_1_4 >= (var_1_3 * (var_1_13 + var_1_14))) ? (var_1_12 == ((double) (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))))) : (var_1_12 == ((double) var_1_16)))) && ((var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) ? ((var_1_19 || var_1_19) ? (var_1_17 == ((signed char) var_1_11)) : (var_1_17 == ((signed char) var_1_11))) : 1)) && ((last_1_var_1_10 < last_1_var_1_25) ? ((var_1_11 <= last_1_var_1_25) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_20 ? ((var_1_10 < ((var_1_22 - var_1_23) - var_1_9)) ? (var_1_19 ? ((last_1_var_1_21 == (var_1_22 + var_1_11)) ? (var_1_21 == ((signed long int) var_1_1)) : 1) : (var_1_21 == ((signed long int) var_1_10))) : (var_1_21 == ((signed long int) var_1_11))) : (var_1_21 == ((signed long int) var_1_9)))) && (var_1_19 ? (var_1_25 == ((signed long int) (var_1_17 + ((((var_1_17) < (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))) ? (var_1_17) : (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))))))) : (var_1_25 == ((signed long int) var_1_10))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=8368, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L206] RET, EXPR property() [L206] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=8368, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_16=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=8368, var_1_22=16385, var_1_23=8020, var_1_25=-4, var_1_26=-4, var_1_34=128, var_1_36=10000000005, var_1_38=10000000005, var_1_39=-4, var_1_41=-32, var_1_42=126, var_1_43=-126, var_1_44=8020, var_1_7=16383, var_1_8=32766, var_1_9=8368] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 153 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 468 mSDsluCounter, 1253 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 555 mSDsCounter, 172 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 225 IncrementalHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 172 mSolverCounterUnsat, 698 mSDtfsCounter, 225 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 499 GetRequests, 482 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=317occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 129 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1417 NumberOfCodeBlocks, 1417 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1407 ConstructedInterpolants, 0 QuantifiedInterpolants, 2155 SizeOfPredicates, 1 NumberOfNonLiveVariables, 758 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 9001/9108 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 12:46:31,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15bc9db627b3f25e2dd0c0f7f605c4f82a75892850cc409d90f3816f7fec9db6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 12:46:33,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 12:46:33,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 12:46:33,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 12:46:33,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 12:46:33,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 12:46:33,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 12:46:33,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 12:46:33,860 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 12:46:33,860 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 12:46:33,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 12:46:33,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 12:46:33,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 12:46:33,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 12:46:33,861 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 12:46:33,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 12:46:33,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 12:46:33,861 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 12:46:33,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 12:46:33,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 12:46:33,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 12:46:33,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 12:46:33,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 12:46:33,862 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 12:46:33,862 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 12:46:33,862 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 12:46:33,862 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 12:46:33,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 12:46:33,862 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 12:46:33,862 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 12:46:33,863 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 12:46:33,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 12:46:33,863 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 12:46:33,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 12:46:33,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:46:33,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 12:46:33,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 12:46:33,863 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 12:46:33,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 12:46:33,863 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 12:46:33,863 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 12:46:33,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 12:46:33,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 12:46:33,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 12:46:33,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 12:46:33,864 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15bc9db627b3f25e2dd0c0f7f605c4f82a75892850cc409d90f3816f7fec9db6 [2025-03-08 12:46:34,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 12:46:34,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 12:46:34,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 12:46:34,113 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 12:46:34,113 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 12:46:34,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i [2025-03-08 12:46:35,264 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077c3105e/4af7193c50d5403d85b25168f032980c/FLAGebb08e0c6 [2025-03-08 12:46:35,485 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 12:46:35,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i [2025-03-08 12:46:35,495 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077c3105e/4af7193c50d5403d85b25168f032980c/FLAGebb08e0c6 [2025-03-08 12:46:35,837 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077c3105e/4af7193c50d5403d85b25168f032980c [2025-03-08 12:46:35,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 12:46:35,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 12:46:35,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 12:46:35,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 12:46:35,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 12:46:35,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:46:35" (1/1) ... [2025-03-08 12:46:35,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bd088c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:35, skipping insertion in model container [2025-03-08 12:46:35,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:46:35" (1/1) ... [2025-03-08 12:46:35,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 12:46:35,973 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i[919,932] [2025-03-08 12:46:36,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:46:36,038 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 12:46:36,049 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i[919,932] [2025-03-08 12:46:36,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:46:36,091 INFO L204 MainTranslator]: Completed translation [2025-03-08 12:46:36,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36 WrapperNode [2025-03-08 12:46:36,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 12:46:36,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 12:46:36,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 12:46:36,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 12:46:36,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,133 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2025-03-08 12:46:36,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 12:46:36,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 12:46:36,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 12:46:36,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 12:46:36,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,143 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,154 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 12:46:36,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,162 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 12:46:36,168 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 12:46:36,168 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 12:46:36,168 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 12:46:36,168 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (1/1) ... [2025-03-08 12:46:36,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:46:36,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:46:36,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 12:46:36,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 12:46:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 12:46:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 12:46:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 12:46:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 12:46:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 12:46:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 12:46:36,292 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 12:46:36,294 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 12:46:42,751 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-08 12:46:42,752 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 12:46:42,761 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 12:46:42,762 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 12:46:42,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:46:42 BoogieIcfgContainer [2025-03-08 12:46:42,762 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 12:46:42,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 12:46:42,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 12:46:42,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 12:46:42,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 12:46:35" (1/3) ... [2025-03-08 12:46:42,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb492ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:46:42, skipping insertion in model container [2025-03-08 12:46:42,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:46:36" (2/3) ... [2025-03-08 12:46:42,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb492ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:46:42, skipping insertion in model container [2025-03-08 12:46:42,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:46:42" (3/3) ... [2025-03-08 12:46:42,770 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i [2025-03-08 12:46:42,781 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 12:46:42,787 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-15.i that has 2 procedures, 84 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 12:46:42,830 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 12:46:42,838 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;@10ee8ba7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 12:46:42,838 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 12:46:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-08 12:46:42,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-03-08 12:46:42,854 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:42,854 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:42,854 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:42,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:42,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1557124255, now seen corresponding path program 1 times [2025-03-08 12:46:42,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:46:42,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722558198] [2025-03-08 12:46:42,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:42,867 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:46:42,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:46:42,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 12:46:42,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-08 12:46:42,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-08 12:46:43,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-08 12:46:43,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:43,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:43,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 12:46:43,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:46:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2025-03-08 12:46:43,450 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 12:46:43,451 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:46:43,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722558198] [2025-03-08 12:46:43,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722558198] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:46:43,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 12:46:43,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 12:46:43,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530803506] [2025-03-08 12:46:43,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:46:43,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 12:46:43,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:46:43,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 12:46:43,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:46:43,474 INFO L87 Difference]: Start difference. First operand has 84 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 12:46:43,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:46:43,491 INFO L93 Difference]: Finished difference Result 160 states and 274 transitions. [2025-03-08 12:46:43,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 12:46:43,492 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156 [2025-03-08 12:46:43,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:46:43,496 INFO L225 Difference]: With dead ends: 160 [2025-03-08 12:46:43,496 INFO L226 Difference]: Without dead ends: 79 [2025-03-08 12:46:43,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:46:43,500 INFO L435 NwaCegarLoop]: 120 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, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 12:46:43,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 12:46:43,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-03-08 12:46:43,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-03-08 12:46:43,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-08 12:46:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 120 transitions. [2025-03-08 12:46:43,537 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 120 transitions. Word has length 156 [2025-03-08 12:46:43,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:46:43,537 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 120 transitions. [2025-03-08 12:46:43,537 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 12:46:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2025-03-08 12:46:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-03-08 12:46:43,539 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:43,539 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:43,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-08 12:46:43,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:46:43,740 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:43,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:43,742 INFO L85 PathProgramCache]: Analyzing trace with hash 733717316, now seen corresponding path program 1 times [2025-03-08 12:46:43,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:46:43,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229401730] [2025-03-08 12:46:43,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:43,742 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:46:43,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:46:43,745 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 12:46:43,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-08 12:46:43,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-08 12:46:44,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-08 12:46:44,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:44,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:44,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-08 12:46:44,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:46:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2025-03-08 12:46:44,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:46:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-03-08 12:46:44,898 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:46:44,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229401730] [2025-03-08 12:46:44,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229401730] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 12:46:44,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 12:46:44,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2025-03-08 12:46:44,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118246433] [2025-03-08 12:46:44,899 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 12:46:44,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 12:46:44,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:46:44,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 12:46:44,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 12:46:44,902 INFO L87 Difference]: Start difference. First operand 79 states and 120 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 12:46:46,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:46:46,555 INFO L93 Difference]: Finished difference Result 160 states and 238 transitions. [2025-03-08 12:46:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 12:46:46,572 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 156 [2025-03-08 12:46:46,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:46:46,574 INFO L225 Difference]: With dead ends: 160 [2025-03-08 12:46:46,574 INFO L226 Difference]: Without dead ends: 84 [2025-03-08 12:46:46,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 304 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-03-08 12:46:46,575 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 69 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-08 12:46:46,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 190 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-08 12:46:46,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-03-08 12:46:46,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2025-03-08 12:46:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 54 states have internal predecessors, (67), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-08 12:46:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2025-03-08 12:46:46,588 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 156 [2025-03-08 12:46:46,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:46:46,589 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2025-03-08 12:46:46,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 12:46:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2025-03-08 12:46:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-08 12:46:46,591 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:46,591 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:46,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-08 12:46:46,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:46:46,792 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:46,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:46,792 INFO L85 PathProgramCache]: Analyzing trace with hash 295112738, now seen corresponding path program 1 times [2025-03-08 12:46:46,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:46:46,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269874447] [2025-03-08 12:46:46,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:46,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:46:46,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:46:46,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 12:46:46,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-08 12:46:46,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 12:46:47,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 12:46:47,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:47,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:47,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 12:46:47,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:46:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-03-08 12:46:47,583 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 12:46:47,583 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:46:47,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269874447] [2025-03-08 12:46:47,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269874447] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:46:47,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 12:46:47,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 12:46:47,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516036714] [2025-03-08 12:46:47,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:46:47,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 12:46:47,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:46:47,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 12:46:47,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 12:46:47,584 INFO L87 Difference]: Start difference. First operand 80 states and 113 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:49,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:46:49,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:46:49,203 INFO L93 Difference]: Finished difference Result 233 states and 331 transitions. [2025-03-08 12:46:49,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 12:46:49,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 158 [2025-03-08 12:46:49,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:46:49,205 INFO L225 Difference]: With dead ends: 233 [2025-03-08 12:46:49,205 INFO L226 Difference]: Without dead ends: 156 [2025-03-08 12:46:49,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 12:46:49,206 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 24 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-08 12:46:49,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 190 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-08 12:46:49,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-03-08 12:46:49,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2025-03-08 12:46:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 103 states have (on average 1.2135922330097086) internal successors, (125), 103 states have internal predecessors, (125), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-08 12:46:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 217 transitions. [2025-03-08 12:46:49,225 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 217 transitions. Word has length 158 [2025-03-08 12:46:49,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:46:49,226 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 217 transitions. [2025-03-08 12:46:49,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:49,227 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 217 transitions. [2025-03-08 12:46:49,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-08 12:46:49,229 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:49,230 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:49,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-03-08 12:46:49,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:46:49,431 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:49,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:49,431 INFO L85 PathProgramCache]: Analyzing trace with hash -159032028, now seen corresponding path program 1 times [2025-03-08 12:46:49,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:46:49,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993263693] [2025-03-08 12:46:49,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:49,432 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:46:49,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:46:49,433 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 12:46:49,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-08 12:46:49,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 12:46:49,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 12:46:49,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:49,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:49,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-08 12:46:49,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:46:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-03-08 12:46:51,042 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 12:46:51,042 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:46:51,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993263693] [2025-03-08 12:46:51,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993263693] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:46:51,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 12:46:51,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 12:46:51,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877702468] [2025-03-08 12:46:51,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:46:51,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 12:46:51,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:46:51,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 12:46:51,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 12:46:51,044 INFO L87 Difference]: Start difference. First operand 154 states and 217 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:52,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:46:53,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:46:53,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:46:53,835 INFO L93 Difference]: Finished difference Result 398 states and 560 transitions. [2025-03-08 12:46:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 12:46:53,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 158 [2025-03-08 12:46:53,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:46:53,856 INFO L225 Difference]: With dead ends: 398 [2025-03-08 12:46:53,856 INFO L226 Difference]: Without dead ends: 247 [2025-03-08 12:46:53,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 12:46:53,858 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 68 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-03-08 12:46:53,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 303 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-03-08 12:46:53,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2025-03-08 12:46:53,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 214. [2025-03-08 12:46:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 138 states have (on average 1.181159420289855) internal successors, (163), 138 states have internal predecessors, (163), 69 states have call successors, (69), 6 states have call predecessors, (69), 6 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-03-08 12:46:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 301 transitions. [2025-03-08 12:46:53,882 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 301 transitions. Word has length 158 [2025-03-08 12:46:53,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:46:53,882 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 301 transitions. [2025-03-08 12:46:53,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 12:46:53,882 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 301 transitions. [2025-03-08 12:46:53,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-08 12:46:53,885 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:46:53,885 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:46:53,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-03-08 12:46:54,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:46:54,086 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:46:54,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:46:54,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1658042720, now seen corresponding path program 1 times [2025-03-08 12:46:54,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:46:54,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749147015] [2025-03-08 12:46:54,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:46:54,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:46:54,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:46:54,089 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 12:46:54,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2025-03-08 12:46:54,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 12:46:54,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 12:46:54,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:46:54,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:46:54,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 12:46:54,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:46:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 39 proven. 504 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2025-03-08 12:46:55,404 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:46:55,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 39 proven. 27 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-03-08 12:46:55,907 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:46:55,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749147015] [2025-03-08 12:46:55,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749147015] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 12:46:55,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 12:46:55,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-08 12:46:55,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280964014] [2025-03-08 12:46:55,908 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 12:46:55,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 12:46:55,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:46:55,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 12:46:55,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-08 12:46:55,909 INFO L87 Difference]: Start difference. First operand 214 states and 301 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2025-03-08 12:46:59,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:47:01,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:47:01,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:47:01,864 INFO L93 Difference]: Finished difference Result 556 states and 764 transitions. [2025-03-08 12:47:01,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-08 12:47:01,877 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 159 [2025-03-08 12:47:01,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:47:01,879 INFO L225 Difference]: With dead ends: 556 [2025-03-08 12:47:01,879 INFO L226 Difference]: Without dead ends: 405 [2025-03-08 12:47:01,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2025-03-08 12:47:01,881 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 364 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2025-03-08 12:47:01,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 236 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2025-03-08 12:47:01,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-03-08 12:47:01,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 226. [2025-03-08 12:47:01,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 147 states have (on average 1.1564625850340136) internal successors, (170), 147 states have internal predecessors, (170), 69 states have call successors, (69), 9 states have call predecessors, (69), 9 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-03-08 12:47:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 308 transitions. [2025-03-08 12:47:01,915 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 308 transitions. Word has length 159 [2025-03-08 12:47:01,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:47:01,917 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 308 transitions. [2025-03-08 12:47:01,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2025-03-08 12:47:01,917 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 308 transitions. [2025-03-08 12:47:01,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-08 12:47:01,919 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:47:01,919 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:47:01,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2025-03-08 12:47:02,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:47:02,120 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:47:02,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:47:02,120 INFO L85 PathProgramCache]: Analyzing trace with hash -401871801, now seen corresponding path program 1 times [2025-03-08 12:47:02,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:47:02,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220774745] [2025-03-08 12:47:02,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:47:02,121 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:47:02,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:47:02,122 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 12:47:02,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2025-03-08 12:47:02,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 12:47:02,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 12:47:02,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:47:02,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:47:02,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 12:47:02,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:47:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2025-03-08 12:47:02,568 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:47:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-03-08 12:47:02,843 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:47:02,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220774745] [2025-03-08 12:47:02,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220774745] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 12:47:02,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 12:47:02,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2025-03-08 12:47:02,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162908484] [2025-03-08 12:47:02,844 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 12:47:02,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 12:47:02,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:47:02,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 12:47:02,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-08 12:47:02,845 INFO L87 Difference]: Start difference. First operand 226 states and 308 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 12:47:04,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:47:04,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:47:04,896 INFO L93 Difference]: Finished difference Result 320 states and 432 transitions. [2025-03-08 12:47:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 12:47:04,913 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 160 [2025-03-08 12:47:04,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:47:04,914 INFO L225 Difference]: With dead ends: 320 [2025-03-08 12:47:04,914 INFO L226 Difference]: Without dead ends: 161 [2025-03-08 12:47:04,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 311 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2025-03-08 12:47:04,915 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 140 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-08 12:47:04,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 189 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-08 12:47:04,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-03-08 12:47:04,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 148. [2025-03-08 12:47:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 95 states have (on average 1.1157894736842104) internal successors, (106), 95 states have internal predecessors, (106), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-08 12:47:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2025-03-08 12:47:04,932 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 160 [2025-03-08 12:47:04,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:47:04,932 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2025-03-08 12:47:04,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 12:47:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2025-03-08 12:47:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-08 12:47:04,933 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:47:04,933 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:47:04,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2025-03-08 12:47:05,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:47:05,134 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:47:05,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:47:05,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1889127527, now seen corresponding path program 1 times [2025-03-08 12:47:05,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:47:05,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [292738766] [2025-03-08 12:47:05,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:47:05,135 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:47:05,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:47:05,137 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 12:47:05,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2025-03-08 12:47:05,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 12:47:05,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 12:47:05,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:47:05,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:47:05,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 12:47:05,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:47:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2025-03-08 12:47:05,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:47:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-03-08 12:47:05,927 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:47:05,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [292738766] [2025-03-08 12:47:05,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [292738766] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 12:47:05,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 12:47:05,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2025-03-08 12:47:05,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360209475] [2025-03-08 12:47:05,928 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 12:47:05,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 12:47:05,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:47:05,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 12:47:05,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-08 12:47:05,929 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 12:47:07,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:47:07,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:47:07,766 INFO L93 Difference]: Finished difference Result 237 states and 314 transitions. [2025-03-08 12:47:07,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 12:47:07,784 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 160 [2025-03-08 12:47:07,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:47:07,785 INFO L225 Difference]: With dead ends: 237 [2025-03-08 12:47:07,785 INFO L226 Difference]: Without dead ends: 156 [2025-03-08 12:47:07,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 311 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2025-03-08 12:47:07,786 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 133 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-08 12:47:07,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 189 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-08 12:47:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-03-08 12:47:07,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 148. [2025-03-08 12:47:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 95 states have (on average 1.105263157894737) internal successors, (105), 95 states have internal predecessors, (105), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-08 12:47:07,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 197 transitions. [2025-03-08 12:47:07,806 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 197 transitions. Word has length 160 [2025-03-08 12:47:07,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:47:07,806 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 197 transitions. [2025-03-08 12:47:07,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 12:47:07,806 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 197 transitions. [2025-03-08 12:47:07,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-08 12:47:07,807 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:47:07,807 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:47:07,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2025-03-08 12:47:08,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:47:08,008 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:47:08,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:47:08,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1518336088, now seen corresponding path program 1 times [2025-03-08 12:47:08,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:47:08,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1082617549] [2025-03-08 12:47:08,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:47:08,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 12:47:08,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:47:08,011 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 12:47:08,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2025-03-08 12:47:08,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 12:47:08,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 12:47:08,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:47:08,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:47:08,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-08 12:47:08,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:47:33,710 WARN L286 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)