./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b50568a5bee6511b42bf1cf0968d7f09eeaeacd32170fa25aff7f8f1a2e83cf --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 03:01:39,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 03:01:39,561 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 03:01:39,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 03:01:39,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 03:01:39,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 03:01:39,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 03:01:39,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 03:01:39,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 03:01:39,590 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 03:01:39,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 03:01:39,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 03:01:39,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 03:01:39,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 03:01:39,591 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 03:01:39,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 03:01:39,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 03:01:39,592 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 03:01:39,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 03:01:39,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 03:01:39,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 03:01:39,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 03:01:39,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 03:01:39,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 03:01:39,592 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 03:01:39,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 03:01:39,592 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 03:01:39,593 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 03:01:39,593 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 03:01:39,593 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 03:01:39,593 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 03:01:39,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 03:01:39,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:01:39,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 03:01:39,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 03:01:39,594 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 03:01:39,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 03:01:39,594 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 03:01:39,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 03:01:39,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 03:01:39,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 03:01:39,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 03:01:39,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 03:01:39,594 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b50568a5bee6511b42bf1cf0968d7f09eeaeacd32170fa25aff7f8f1a2e83cf [2025-02-06 03:01:39,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 03:01:39,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 03:01:39,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 03:01:39,813 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 03:01:39,813 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 03:01:39,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i [2025-02-06 03:01:40,960 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e13e1d22a/d0ae7c7449c8449786484d60e548ca6c/FLAGabe10fe60 [2025-02-06 03:01:41,154 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 03:01:41,155 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i [2025-02-06 03:01:41,160 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e13e1d22a/d0ae7c7449c8449786484d60e548ca6c/FLAGabe10fe60 [2025-02-06 03:01:41,170 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e13e1d22a/d0ae7c7449c8449786484d60e548ca6c [2025-02-06 03:01:41,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 03:01:41,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 03:01:41,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 03:01:41,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 03:01:41,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 03:01:41,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60592373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41, skipping insertion in model container [2025-02-06 03:01:41,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 03:01:41,291 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i[913,926] [2025-02-06 03:01:41,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:01:41,339 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 03:01:41,346 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i[913,926] [2025-02-06 03:01:41,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:01:41,368 INFO L204 MainTranslator]: Completed translation [2025-02-06 03:01:41,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41 WrapperNode [2025-02-06 03:01:41,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 03:01:41,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 03:01:41,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 03:01:41,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 03:01:41,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,407 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2025-02-06 03:01:41,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 03:01:41,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 03:01:41,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 03:01:41,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 03:01:41,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,431 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 03:01:41,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,438 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 03:01:41,450 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 03:01:41,450 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 03:01:41,450 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 03:01:41,450 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (1/1) ... [2025-02-06 03:01:41,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:01:41,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 03:01:41,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 03:01:41,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 03:01:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 03:01:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 03:01:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 03:01:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 03:01:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 03:01:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 03:01:41,549 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 03:01:41,550 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 03:01:41,735 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L87: havoc property_#t~bitwise14#1;havoc property_#t~short15#1; [2025-02-06 03:01:41,762 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-06 03:01:41,763 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 03:01:41,784 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 03:01:41,784 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 03:01:41,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:01:41 BoogieIcfgContainer [2025-02-06 03:01:41,784 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 03:01:41,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 03:01:41,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 03:01:41,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 03:01:41,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:01:41" (1/3) ... [2025-02-06 03:01:41,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe8975a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:01:41, skipping insertion in model container [2025-02-06 03:01:41,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:41" (2/3) ... [2025-02-06 03:01:41,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe8975a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:01:41, skipping insertion in model container [2025-02-06 03:01:41,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:01:41" (3/3) ... [2025-02-06 03:01:41,790 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-28.i [2025-02-06 03:01:41,799 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 03:01:41,801 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-28.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 03:01:41,840 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 03:01:41,849 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;@6b553ba6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 03:01:41,849 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 03:01:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 03:01:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 03:01:41,859 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:01:41,860 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:01:41,860 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:01:41,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:01:41,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1149871342, now seen corresponding path program 1 times [2025-02-06 03:01:41,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 03:01:41,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104266083] [2025-02-06 03:01:41,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:01:41,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 03:01:41,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 03:01:41,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 03:01:41,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:01:41,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:01:42,037 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-02-06 03:01:42,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 03:01:42,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104266083] [2025-02-06 03:01:42,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104266083] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 03:01:42,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022031611] [2025-02-06 03:01:42,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:01:42,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 03:01:42,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 03:01:42,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 03:01:42,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 03:01:42,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 03:01:42,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 03:01:42,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:01:42,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:01:42,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 03:01:42,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 03:01:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-02-06 03:01:42,163 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 03:01:42,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022031611] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 03:01:42,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 03:01:42,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 03:01:42,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249969362] [2025-02-06 03:01:42,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 03:01:42,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 03:01:42,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 03:01:42,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 03:01:42,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:01:42,185 INFO L87 Difference]: Start difference. First operand has 55 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 03:01:42,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 03:01:42,205 INFO L93 Difference]: Finished difference Result 104 states and 165 transitions. [2025-02-06 03:01:42,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 03:01:42,207 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 96 [2025-02-06 03:01:42,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 03:01:42,211 INFO L225 Difference]: With dead ends: 104 [2025-02-06 03:01:42,211 INFO L226 Difference]: Without dead ends: 52 [2025-02-06 03:01:42,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:01:42,215 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 03:01:42,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 03:01:42,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-02-06 03:01:42,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-02-06 03:01:42,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 36 states have internal predecessors, (43), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 03:01:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2025-02-06 03:01:42,240 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 96 [2025-02-06 03:01:42,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 03:01:42,241 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2025-02-06 03:01:42,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 03:01:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2025-02-06 03:01:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 03:01:42,244 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:01:42,244 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:01:42,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 03:01:42,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 03:01:42,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:01:42,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:01:42,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1807009038, now seen corresponding path program 1 times [2025-02-06 03:01:42,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 03:01:42,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022188610] [2025-02-06 03:01:42,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:01:42,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 03:01:42,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 03:01:42,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 03:01:42,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:01:42,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 03:01:42,564 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 03:01:42,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 03:01:42,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 03:01:42,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:01:42,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 03:01:42,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 03:01:42,665 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 03:01:42,666 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 03:01:42,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 03:01:42,669 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 03:01:42,729 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 03:01:42,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 03:01:42 BoogieIcfgContainer [2025-02-06 03:01:42,731 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 03:01:42,732 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 03:01:42,733 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 03:01:42,733 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 03:01:42,733 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:01:41" (3/4) ... [2025-02-06 03:01:42,735 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 03:01:42,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 03:01:42,736 INFO L158 Benchmark]: Toolchain (without parser) took 1563.35ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 87.3MB in the end (delta: 24.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2025-02-06 03:01:42,737 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:01:42,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.61ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 98.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 03:01:42,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.67ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 97.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 03:01:42,737 INFO L158 Benchmark]: Boogie Preprocessor took 37.90ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:01:42,738 INFO L158 Benchmark]: IcfgBuilder took 334.49ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 77.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 03:01:42,738 INFO L158 Benchmark]: TraceAbstraction took 946.22ms. Allocated memory is still 142.6MB. Free memory was 76.7MB in the beginning and 87.4MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:01:42,738 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:01:42,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.61ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 98.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.67ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 97.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.90ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 334.49ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 77.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 946.22ms. Allocated memory is still 142.6MB. Free memory was 76.7MB in the beginning and 87.4MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 27.1kB). 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 42, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 1; [L23] float var_1_2 = 63.75; [L24] float var_1_3 = 255.75; [L25] signed char var_1_5 = 10; [L26] signed char var_1_6 = 4; [L27] signed char var_1_7 = -10; [L28] float var_1_8 = 4.75; [L29] float var_1_9 = 99.5; [L30] float var_1_10 = 255.9; [L31] float var_1_11 = 24.85; [L32] signed long int var_1_12 = -2; [L33] signed long int var_1_13 = 1629954775; [L34] signed long int var_1_15 = 1928642731; [L35] signed short int var_1_18 = 0; [L36] unsigned short int var_1_19 = 5; VAL [isInitial=0, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_2=255/4, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L61] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L62] var_1_3 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L63] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L64] var_1_5 = __VERIFIER_nondet_char() [L65] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L65] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L66] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L66] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L67] var_1_6 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L68] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L69] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L69] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L70] var_1_7 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L71] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L72] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L72] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L73] var_1_9 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L74] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L75] var_1_10 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L76] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L77] var_1_13 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_13 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L78] RET assume_abort_if_not(var_1_13 >= 1073741822) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L79] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L79] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L80] var_1_15 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L81] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L82] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L82] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L95] RET updateVariables() [L96] CALL step() [L40] signed long int stepLocal_0 = -4; VAL [isInitial=1, stepLocal_0=-4, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=19/4] [L41] COND TRUE stepLocal_0 < var_1_6 [L42] var_1_8 = ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=2147483651, var_1_9=2147483651] [L44] var_1_11 = ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) [L45] var_1_18 = var_1_5 [L46] var_1_19 = var_1_6 VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=2147483651, var_1_9=2147483651] [L47] COND TRUE (var_1_2 - var_1_3) <= (- var_1_8) [L48] var_1_1 = (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=126, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=2147483651, var_1_9=2147483651] [L52] EXPR var_1_6 | 5 VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=126, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=2147483651, var_1_9=2147483651] [L52] signed long int stepLocal_1 = var_1_6 | 5; [L53] COND TRUE stepLocal_1 <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))) [L54] var_1_12 = (((((var_1_6) < ((var_1_13 - var_1_19))) ? (var_1_6) : ((var_1_13 - var_1_19)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2147483520, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=126, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=2147483651, var_1_9=2147483651] [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR (((((var_1_2 - var_1_3) <= (- var_1_8)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_19))) ? (var_1_6) : ((var_1_13 - var_1_19)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) (var_1_6 + (((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) - var_1_19))))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2147483520, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=126, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=2147483651, var_1_9=2147483651] [L87-L88] return (((((((var_1_2 - var_1_3) <= (- var_1_8)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_19))) ? (var_1_6) : ((var_1_13 - var_1_19)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) (var_1_6 + (((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) - var_1_19)))))) && (var_1_18 == ((signed short int) var_1_5))) && (var_1_19 == ((unsigned short int) var_1_6)) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2147483520, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=126, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=2147483651, var_1_9=2147483651] [L19] reach_error() VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2147483520, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=126, var_1_5=126, var_1_6=0, var_1_7=126, var_1_8=2147483651, var_1_9=2147483651] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 14, 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, 69 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 69 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 234 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-06 03:01:42,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b50568a5bee6511b42bf1cf0968d7f09eeaeacd32170fa25aff7f8f1a2e83cf --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 03:01:44,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 03:01:44,650 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 03:01:44,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 03:01:44,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 03:01:44,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 03:01:44,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 03:01:44,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 03:01:44,674 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 03:01:44,674 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 03:01:44,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 03:01:44,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 03:01:44,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 03:01:44,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 03:01:44,675 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 03:01:44,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 03:01:44,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 03:01:44,676 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 03:01:44,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 03:01:44,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 03:01:44,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 03:01:44,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 03:01:44,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 03:01:44,676 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 03:01:44,677 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:01:44,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 03:01:44,677 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 03:01:44,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 03:01:44,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 03:01:44,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 03:01:44,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 03:01:44,678 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b50568a5bee6511b42bf1cf0968d7f09eeaeacd32170fa25aff7f8f1a2e83cf [2025-02-06 03:01:44,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 03:01:44,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 03:01:44,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 03:01:44,943 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 03:01:44,944 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 03:01:44,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i [2025-02-06 03:01:46,058 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e56b48368/77a76b8a1fdc477c9d79b2bd526d447d/FLAGa15d9d1a0 [2025-02-06 03:01:46,261 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 03:01:46,262 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i [2025-02-06 03:01:46,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e56b48368/77a76b8a1fdc477c9d79b2bd526d447d/FLAGa15d9d1a0 [2025-02-06 03:01:46,283 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e56b48368/77a76b8a1fdc477c9d79b2bd526d447d [2025-02-06 03:01:46,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 03:01:46,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 03:01:46,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 03:01:46,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 03:01:46,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 03:01:46,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42186410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46, skipping insertion in model container [2025-02-06 03:01:46,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 03:01:46,396 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i[913,926] [2025-02-06 03:01:46,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:01:46,442 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 03:01:46,450 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i[913,926] [2025-02-06 03:01:46,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:01:46,483 INFO L204 MainTranslator]: Completed translation [2025-02-06 03:01:46,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46 WrapperNode [2025-02-06 03:01:46,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 03:01:46,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 03:01:46,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 03:01:46,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 03:01:46,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,523 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2025-02-06 03:01:46,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 03:01:46,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 03:01:46,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 03:01:46,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 03:01:46,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,534 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,548 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 03:01:46,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,556 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 03:01:46,567 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 03:01:46,567 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 03:01:46,567 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 03:01:46,568 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (1/1) ... [2025-02-06 03:01:46,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:01:46,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 03:01:46,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 03:01:46,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 03:01:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 03:01:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 03:01:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 03:01:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 03:01:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 03:01:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 03:01:46,664 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 03:01:46,666 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 03:01:47,056 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-02-06 03:01:47,056 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 03:01:47,064 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 03:01:47,065 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 03:01:47,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:01:47 BoogieIcfgContainer [2025-02-06 03:01:47,065 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 03:01:47,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 03:01:47,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 03:01:47,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 03:01:47,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:01:46" (1/3) ... [2025-02-06 03:01:47,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc43ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:01:47, skipping insertion in model container [2025-02-06 03:01:47,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:01:46" (2/3) ... [2025-02-06 03:01:47,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc43ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:01:47, skipping insertion in model container [2025-02-06 03:01:47,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:01:47" (3/3) ... [2025-02-06 03:01:47,073 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-28.i [2025-02-06 03:01:47,083 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 03:01:47,084 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-28.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 03:01:47,129 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 03:01:47,153 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;@ba229b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 03:01:47,153 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 03:01:47,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 03:01:47,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-06 03:01:47,161 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:01:47,162 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:01:47,162 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:01:47,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:01:47,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1260981968, now seen corresponding path program 1 times [2025-02-06 03:01:47,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 03:01:47,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646003773] [2025-02-06 03:01:47,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:01:47,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 03:01:47,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 03:01:47,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 03:01:47,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-06 03:01:47,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 03:01:47,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 03:01:47,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:01:47,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:01:47,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 03:01:47,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 03:01:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2025-02-06 03:01:47,400 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 03:01:47,401 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 03:01:47,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646003773] [2025-02-06 03:01:47,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646003773] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 03:01:47,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 03:01:47,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 03:01:47,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625671058] [2025-02-06 03:01:47,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 03:01:47,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 03:01:47,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 03:01:47,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 03:01:47,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:01:47,426 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 03:01:47,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 03:01:47,445 INFO L93 Difference]: Finished difference Result 86 states and 137 transitions. [2025-02-06 03:01:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 03:01:47,446 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2025-02-06 03:01:47,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 03:01:47,452 INFO L225 Difference]: With dead ends: 86 [2025-02-06 03:01:47,452 INFO L226 Difference]: Without dead ends: 43 [2025-02-06 03:01:47,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:01:47,458 INFO L435 NwaCegarLoop]: 59 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, 59 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 03:01:47,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 03:01:47,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-02-06 03:01:47,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2025-02-06 03:01:47,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 03:01:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions. [2025-02-06 03:01:47,491 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 93 [2025-02-06 03:01:47,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 03:01:47,492 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions. [2025-02-06 03:01:47,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 03:01:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2025-02-06 03:01:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-06 03:01:47,497 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:01:47,497 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:01:47,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-06 03:01:47,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 03:01:47,698 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:01:47,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:01:47,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1781457584, now seen corresponding path program 1 times [2025-02-06 03:01:47,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 03:01:47,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394112049] [2025-02-06 03:01:47,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:01:47,700 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 03:01:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 03:01:47,703 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 03:01:47,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-06 03:01:47,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 03:01:47,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 03:01:47,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:01:47,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:01:47,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 03:01:47,893 INFO L279 TraceCheckSpWp]: Computing forward predicates...