./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_loopvsstraightlinecode_25-while_file-48.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 955425a29175e5853e5d8a313646a7e1cafc0cd985e14620f3ff42793d441a21 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 03:39:45,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 03:39:45,198 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-17 03:39:45,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 03:39:45,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 03:39:45,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 03:39:45,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 03:39:45,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 03:39:45,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 03:39:45,236 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 03:39:45,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 03:39:45,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 03:39:45,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 03:39:45,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 03:39:45,239 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 03:39:45,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 03:39:45,240 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 03:39:45,241 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:39:45,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 03:39:45,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 03:39:45,241 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 -> 955425a29175e5853e5d8a313646a7e1cafc0cd985e14620f3ff42793d441a21 [2025-03-17 03:39:45,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 03:39:45,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 03:39:45,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 03:39:45,507 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 03:39:45,507 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 03:39:45,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i [2025-03-17 03:39:46,833 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ed1a246b/a0ae3f8312354af98862d2a4fba65823/FLAGdf30698e5 [2025-03-17 03:39:47,100 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 03:39:47,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i [2025-03-17 03:39:47,107 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ed1a246b/a0ae3f8312354af98862d2a4fba65823/FLAGdf30698e5 [2025-03-17 03:39:47,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ed1a246b/a0ae3f8312354af98862d2a4fba65823 [2025-03-17 03:39:47,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 03:39:47,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 03:39:47,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 03:39:47,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 03:39:47,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 03:39:47,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c881f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47, skipping insertion in model container [2025-03-17 03:39:47,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 03:39:47,279 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_loopvsstraightlinecode_25-while_file-48.i[915,928] [2025-03-17 03:39:47,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:39:47,338 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 03:39:47,348 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_loopvsstraightlinecode_25-while_file-48.i[915,928] [2025-03-17 03:39:47,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:39:47,393 INFO L204 MainTranslator]: Completed translation [2025-03-17 03:39:47,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47 WrapperNode [2025-03-17 03:39:47,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 03:39:47,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 03:39:47,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 03:39:47,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 03:39:47,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,427 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2025-03-17 03:39:47,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 03:39:47,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 03:39:47,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 03:39:47,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 03:39:47,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,442 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,455 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]. [2025-03-17 03:39:47,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,460 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 03:39:47,472 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 03:39:47,472 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 03:39:47,472 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 03:39:47,473 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (1/1) ... [2025-03-17 03:39:47,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:39:47,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:39:47,504 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) [2025-03-17 03:39:47,512 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 [2025-03-17 03:39:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 03:39:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 03:39:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 03:39:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 03:39:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 03:39:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 03:39:47,593 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 03:39:47,595 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 03:39:47,795 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 03:39:47,795 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 03:39:47,808 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 03:39:47,808 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 03:39:47,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:39:47 BoogieIcfgContainer [2025-03-17 03:39:47,809 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 03:39:47,810 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 03:39:47,811 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 03:39:47,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 03:39:47,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:39:47" (1/3) ... [2025-03-17 03:39:47,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bccf810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:39:47, skipping insertion in model container [2025-03-17 03:39:47,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:47" (2/3) ... [2025-03-17 03:39:47,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bccf810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:39:47, skipping insertion in model container [2025-03-17 03:39:47,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:39:47" (3/3) ... [2025-03-17 03:39:47,818 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-48.i [2025-03-17 03:39:47,831 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 03:39:47,833 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-48.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 03:39:47,896 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 03:39:47,910 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;@3b6da68f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 03:39:47,910 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 03:39:47,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 03:39:47,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 03:39:47,924 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:39:47,925 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:39:47,925 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:39:47,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:39:47,933 INFO L85 PathProgramCache]: Analyzing trace with hash 803526295, now seen corresponding path program 1 times [2025-03-17 03:39:47,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 03:39:47,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262356097] [2025-03-17 03:39:47,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:39:47,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 03:39:48,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 03:39:48,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 03:39:48,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:39:48,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:39:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-03-17 03:39:48,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 03:39:48,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262356097] [2025-03-17 03:39:48,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262356097] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 03:39:48,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487509481] [2025-03-17 03:39:48,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:39:48,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 03:39:48,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:39:48,205 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) [2025-03-17 03:39:48,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 03:39:48,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 03:39:48,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 03:39:48,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:39:48,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:39:48,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 03:39:48,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 03:39:48,402 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-03-17 03:39:48,402 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 03:39:48,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487509481] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 03:39:48,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 03:39:48,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 03:39:48,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951685394] [2025-03-17 03:39:48,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 03:39:48,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 03:39:48,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 03:39:48,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 03:39:48,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:39:48,424 INFO L87 Difference]: Start difference. First operand has 51 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-17 03:39:48,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 03:39:48,445 INFO L93 Difference]: Finished difference Result 99 states and 168 transitions. [2025-03-17 03:39:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 03:39:48,447 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2025-03-17 03:39:48,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 03:39:48,451 INFO L225 Difference]: With dead ends: 99 [2025-03-17 03:39:48,451 INFO L226 Difference]: Without dead ends: 49 [2025-03-17 03:39:48,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:39:48,455 INFO L435 NwaCegarLoop]: 72 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, 72 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 [2025-03-17 03:39:48,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 03:39:48,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-17 03:39:48,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-03-17 03:39:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 03:39:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2025-03-17 03:39:48,488 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 112 [2025-03-17 03:39:48,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 03:39:48,490 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2025-03-17 03:39:48,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-17 03:39:48,490 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2025-03-17 03:39:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 03:39:48,493 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:39:48,493 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:39:48,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 03:39:48,694 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 [2025-03-17 03:39:48,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:39:48,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:39:48,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1209862093, now seen corresponding path program 1 times [2025-03-17 03:39:48,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 03:39:48,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764129252] [2025-03-17 03:39:48,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:39:48,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 03:39:48,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 03:39:48,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 03:39:48,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:39:48,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 03:39:48,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [109446041] [2025-03-17 03:39:48,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:39:48,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 03:39:48,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:39:48,851 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) [2025-03-17 03:39:48,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 03:39:48,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 03:39:48,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 03:39:48,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:39:48,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 03:39:48,959 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 03:39:48,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 03:39:49,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 03:39:49,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:39:49,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 03:39:49,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 03:39:49,065 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 03:39:49,066 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 03:39:49,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 03:39:49,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 03:39:49,272 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-17 03:39:49,334 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 03:39:49,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:39:49 BoogieIcfgContainer [2025-03-17 03:39:49,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 03:39:49,337 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 03:39:49,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 03:39:49,338 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 03:39:49,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:39:47" (3/4) ... [2025-03-17 03:39:49,340 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 03:39:49,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 03:39:49,341 INFO L158 Benchmark]: Toolchain (without parser) took 2214.62ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 76.8MB in the end (delta: 29.7MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2025-03-17 03:39:49,341 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:39:49,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.50ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 93.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 03:39:49,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.81ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 03:39:49,342 INFO L158 Benchmark]: Boogie Preprocessor took 43.49ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:39:49,342 INFO L158 Benchmark]: IcfgBuilder took 336.86ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 73.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 03:39:49,342 INFO L158 Benchmark]: TraceAbstraction took 1526.36ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 77.6MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:39:49,343 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 76.8MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:39:49,344 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.50ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 93.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.81ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.49ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 336.86ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 73.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1526.36ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 77.6MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 76.8MB in the end (delta: 41.6kB). 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 76, overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryFLOATComparisonOperation at line 78. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 32.8; [L23] float var_1_2 = 255.675; [L24] float var_1_3 = 5.5; [L25] float var_1_4 = 128.75; [L26] float var_1_5 = 4.5; [L27] float var_1_6 = 9.25; [L28] float var_1_7 = 3.75; [L29] float var_1_8 = 127.6; [L30] float var_1_9 = 256.5; [L31] float var_1_10 = 49.5; [L32] unsigned short int var_1_11 = 8; [L33] unsigned char var_1_12 = 0; [L34] unsigned short int var_1_13 = 256; [L35] unsigned char var_1_14 = 64; [L36] signed long int var_1_15 = -8; [L37] unsigned char var_1_16 = 10; [L38] float last_1_var_1_1 = 32.8; [L39] unsigned char last_1_var_1_14 = 64; [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] CALL updateLastVariables() [L100] last_1_var_1_1 = var_1_1 [L101] last_1_var_1_14 = var_1_14 [L111] RET updateLastVariables() [L112] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_float() [L68] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L68] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L69] var_1_3 = __VERIFIER_nondet_float() [L70] 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_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L70] 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_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L71] var_1_4 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_4 >= 0.0F && 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_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L72] RET assume_abort_if_not((var_1_4 >= 0.0F && 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_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L73] var_1_5 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L74] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L75] var_1_6 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L76] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L77] var_1_7 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L78] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L79] var_1_8 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L80] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L81] var_1_9 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L82] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L83] var_1_10 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L84] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L85] var_1_12 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L86] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L87] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L87] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L88] var_1_13 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L90] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L90] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L91] var_1_15 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L92] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L93] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L93] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L94] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L94] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L95] var_1_16 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_1=164/5] [L96] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_1=164/5] [L97] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L97] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L112] RET updateVariables() [L113] CALL step() [L43] COND FALSE !(! ((var_1_4 - var_1_10) < last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L48] signed long int stepLocal_0 = var_1_13 / var_1_15; VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, stepLocal_0=1, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L49] COND FALSE !(stepLocal_0 <= (-8 + var_1_11)) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L56] COND FALSE !(var_1_2 <= var_1_3) [L63] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] [L113] RET step() [L114] CALL, EXPR property() [L104-L105] return (((var_1_2 <= var_1_3) ? ((var_1_3 < ((var_1_4 - var_1_5) + 1.395f)) ? (var_1_1 == ((float) var_1_6)) : (var_1_1 == ((float) (((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))) + (var_1_9 - var_1_10))))) : (var_1_1 == ((float) var_1_7))) && ((! ((var_1_4 - var_1_10) < last_1_var_1_1)) ? (var_1_12 ? (var_1_11 == ((unsigned short int) last_1_var_1_14)) : 1) : 1)) && (((var_1_13 / var_1_15) <= (-8 + var_1_11)) ? ((! (64 < var_1_11)) ? (var_1_14 == ((unsigned char) var_1_16)) : (var_1_14 == ((unsigned char) var_1_16))) : 1) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 94 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 72 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 448 NumberOfCodeBlocks, 448 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 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 [2025-03-17 03:39:49,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.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 955425a29175e5853e5d8a313646a7e1cafc0cd985e14620f3ff42793d441a21 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 03:39:51,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 03:39:51,621 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-17 03:39:51,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 03:39:51,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 03:39:51,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 03:39:51,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 03:39:51,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 03:39:51,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 03:39:51,655 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 03:39:51,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 03:39:51,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 03:39:51,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 03:39:51,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 03:39:51,657 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 03:39:51,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 03:39:51,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 03:39:51,657 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 03:39:51,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 03:39:51,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 03:39:51,658 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 03:39:51,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:39:51,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 03:39:51,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 03:39:51,659 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 03:39:51,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 03:39:51,659 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 03:39:51,659 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 03:39:51,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 03:39:51,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 03:39:51,659 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 03:39:51,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 03:39:51,659 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 -> 955425a29175e5853e5d8a313646a7e1cafc0cd985e14620f3ff42793d441a21 [2025-03-17 03:39:51,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 03:39:51,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 03:39:51,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 03:39:51,932 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 03:39:51,932 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 03:39:51,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i [2025-03-17 03:39:53,184 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705875bca/fae18a6fcb5f44718930edc17592fcc2/FLAGe4c22c5a7 [2025-03-17 03:39:53,388 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 03:39:53,389 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i [2025-03-17 03:39:53,398 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705875bca/fae18a6fcb5f44718930edc17592fcc2/FLAGe4c22c5a7 [2025-03-17 03:39:53,413 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705875bca/fae18a6fcb5f44718930edc17592fcc2 [2025-03-17 03:39:53,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 03:39:53,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 03:39:53,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 03:39:53,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 03:39:53,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 03:39:53,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623a6f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53, skipping insertion in model container [2025-03-17 03:39:53,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 03:39:53,547 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_loopvsstraightlinecode_25-while_file-48.i[915,928] [2025-03-17 03:39:53,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:39:53,597 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 03:39:53,606 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_loopvsstraightlinecode_25-while_file-48.i[915,928] [2025-03-17 03:39:53,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:39:53,643 INFO L204 MainTranslator]: Completed translation [2025-03-17 03:39:53,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53 WrapperNode [2025-03-17 03:39:53,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 03:39:53,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 03:39:53,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 03:39:53,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 03:39:53,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,684 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2025-03-17 03:39:53,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 03:39:53,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 03:39:53,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 03:39:53,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 03:39:53,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,695 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,707 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]. [2025-03-17 03:39:53,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,718 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 03:39:53,722 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 03:39:53,723 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 03:39:53,723 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 03:39:53,723 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (1/1) ... [2025-03-17 03:39:53,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:39:53,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:39:53,751 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) [2025-03-17 03:39:53,757 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 [2025-03-17 03:39:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 03:39:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 03:39:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 03:39:53,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 03:39:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 03:39:53,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 03:39:53,847 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 03:39:53,849 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 03:39:57,216 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 03:39:57,216 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 03:39:57,228 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 03:39:57,229 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 03:39:57,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:39:57 BoogieIcfgContainer [2025-03-17 03:39:57,229 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 03:39:57,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 03:39:57,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 03:39:57,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 03:39:57,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:39:53" (1/3) ... [2025-03-17 03:39:57,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77feff71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:39:57, skipping insertion in model container [2025-03-17 03:39:57,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:39:53" (2/3) ... [2025-03-17 03:39:57,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77feff71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:39:57, skipping insertion in model container [2025-03-17 03:39:57,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:39:57" (3/3) ... [2025-03-17 03:39:57,241 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-48.i [2025-03-17 03:39:57,255 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 03:39:57,256 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-48.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 03:39:57,305 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 03:39:57,328 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;@f6ace2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 03:39:57,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 03:39:57,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 03:39:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 03:39:57,343 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:39:57,344 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:39:57,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:39:57,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:39:57,348 INFO L85 PathProgramCache]: Analyzing trace with hash 803526295, now seen corresponding path program 1 times [2025-03-17 03:39:57,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 03:39:57,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1804169149] [2025-03-17 03:39:57,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:39:57,354 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 [2025-03-17 03:39:57,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 03:39:57,358 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) [2025-03-17 03:39:57,359 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 [2025-03-17 03:39:57,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 03:39:57,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 03:39:57,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:39:57,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:39:57,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 03:39:57,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 03:39:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-03-17 03:39:57,763 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 03:39:57,764 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 03:39:57,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1804169149] [2025-03-17 03:39:57,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1804169149] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 03:39:57,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 03:39:57,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 03:39:57,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192626952] [2025-03-17 03:39:57,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 03:39:57,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 03:39:57,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 03:39:57,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 03:39:57,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:39:57,782 INFO L87 Difference]: Start difference. First operand has 51 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-17 03:39:57,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 03:39:57,799 INFO L93 Difference]: Finished difference Result 99 states and 168 transitions. [2025-03-17 03:39:57,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 03:39:57,801 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2025-03-17 03:39:57,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 03:39:57,805 INFO L225 Difference]: With dead ends: 99 [2025-03-17 03:39:57,805 INFO L226 Difference]: Without dead ends: 49 [2025-03-17 03:39:57,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:39:57,810 INFO L435 NwaCegarLoop]: 72 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, 72 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 [2025-03-17 03:39:57,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 03:39:57,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-17 03:39:57,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-03-17 03:39:57,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 03:39:57,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2025-03-17 03:39:57,848 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 112 [2025-03-17 03:39:57,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 03:39:57,849 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2025-03-17 03:39:57,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-17 03:39:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2025-03-17 03:39:57,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 03:39:57,852 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:39:57,852 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:39:57,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-17 03:39:58,053 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 [2025-03-17 03:39:58,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:39:58,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:39:58,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1209862093, now seen corresponding path program 1 times [2025-03-17 03:39:58,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 03:39:58,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52816955] [2025-03-17 03:39:58,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:39:58,056 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 [2025-03-17 03:39:58,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 03:39:58,060 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) [2025-03-17 03:39:58,061 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 [2025-03-17 03:39:58,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 03:39:58,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 03:39:58,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:39:58,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:39:58,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-17 03:39:58,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 03:40:53,333 WARN L286 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 03:41:04,329 WARN L286 SmtUtils]: Spent 6.46s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 03:41:16,279 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 03:41:24,339 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)