./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:50:55,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:50:55,103 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 13:50:55,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:50:55,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:50:55,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:50:55,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:50:55,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:50:55,132 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:50:55,132 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:50:55,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:50:55,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:50:55,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:50:55,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:50:55,134 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:50:55,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:50:55,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:50:55,134 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:50:55,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 13:50:55,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:50:55,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:50:55,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:50:55,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:50:55,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:50:55,135 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:50:55,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:50:55,135 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:50:55,135 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:50:55,135 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:50:55,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:50:55,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:50:55,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:50:55,136 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae [2025-03-08 13:50:55,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:50:55,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:50:55,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:50:55,349 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:50:55,349 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:50:55,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i [2025-03-08 13:50:56,449 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/382decdc5/8b7b03a57a2a495482bd0be5332baf9c/FLAG1a6402321 [2025-03-08 13:50:56,652 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:50:56,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i [2025-03-08 13:50:56,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/382decdc5/8b7b03a57a2a495482bd0be5332baf9c/FLAG1a6402321 [2025-03-08 13:50:57,004 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/382decdc5/8b7b03a57a2a495482bd0be5332baf9c [2025-03-08 13:50:57,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:50:57,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:50:57,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:50:57,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:50:57,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:50:57,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a92815f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57, skipping insertion in model container [2025-03-08 13:50:57,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:50:57,116 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2025-03-08 13:50:57,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:50:57,166 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:50:57,175 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2025-03-08 13:50:57,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:50:57,211 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:50:57,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57 WrapperNode [2025-03-08 13:50:57,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:50:57,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:50:57,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:50:57,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:50:57,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,248 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2025-03-08 13:50:57,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:50:57,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:50:57,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:50:57,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:50:57,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,271 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 13:50:57,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,277 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:50:57,283 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:50:57,283 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:50:57,283 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:50:57,284 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (1/1) ... [2025-03-08 13:50:57,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:50:57,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:50:57,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 13:50:57,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 13:50:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:50:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:50:57,328 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:50:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 13:50:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:50:57,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:50:57,383 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:50:57,385 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:50:57,545 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-08 13:50:57,546 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:50:57,552 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:50:57,552 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:50:57,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:50:57 BoogieIcfgContainer [2025-03-08 13:50:57,553 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:50:57,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:50:57,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:50:57,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:50:57,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:50:57" (1/3) ... [2025-03-08 13:50:57,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1b7519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:50:57, skipping insertion in model container [2025-03-08 13:50:57,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:50:57" (2/3) ... [2025-03-08 13:50:57,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1b7519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:50:57, skipping insertion in model container [2025-03-08 13:50:57,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:50:57" (3/3) ... [2025-03-08 13:50:57,563 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-75.i [2025-03-08 13:50:57,573 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:50:57,574 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-75.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:50:57,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:50:57,631 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;@4857bd09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:50:57,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:50:57,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-08 13:50:57,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-08 13:50:57,644 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:50:57,644 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:50:57,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:50:57,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:50:57,649 INFO L85 PathProgramCache]: Analyzing trace with hash -71001621, now seen corresponding path program 1 times [2025-03-08 13:50:57,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:50:57,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81423080] [2025-03-08 13:50:57,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:50:57,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:50:57,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 13:50:57,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 13:50:57,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:50:57,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:50:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-03-08 13:50:57,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:50:57,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81423080] [2025-03-08 13:50:57,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81423080] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 13:50:57,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779811104] [2025-03-08 13:50:57,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:50:57,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 13:50:57,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:50:57,825 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 13:50:57,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 13:50:57,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 13:50:57,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 13:50:57,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:50:57,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:50:57,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:50:57,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:50:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-03-08 13:50:57,965 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:50:57,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779811104] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:50:57,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 13:50:57,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 13:50:57,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113274922] [2025-03-08 13:50:57,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:50:57,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:50:57,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:50:57,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:50:57,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:50:57,986 INFO L87 Difference]: Start difference. First operand has 52 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 13:50:58,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:50:58,002 INFO L93 Difference]: Finished difference Result 98 states and 168 transitions. [2025-03-08 13:50:58,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:50:58,003 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2025-03-08 13:50:58,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:50:58,008 INFO L225 Difference]: With dead ends: 98 [2025-03-08 13:50:58,009 INFO L226 Difference]: Without dead ends: 49 [2025-03-08 13:50:58,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:50:58,013 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:50:58,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:50:58,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-08 13:50:58,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-03-08 13:50:58,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-08 13:50:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2025-03-08 13:50:58,057 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2025-03-08 13:50:58,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:50:58,057 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2025-03-08 13:50:58,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 13:50:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2025-03-08 13:50:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-08 13:50:58,062 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:50:58,062 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:50:58,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 13:50:58,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 13:50:58,264 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:50:58,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:50:58,268 INFO L85 PathProgramCache]: Analyzing trace with hash 390601292, now seen corresponding path program 1 times [2025-03-08 13:50:58,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:50:58,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454001726] [2025-03-08 13:50:58,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:50:58,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:50:58,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 13:50:58,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 13:50:58,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:50:58,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-08 13:50:58,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [642060028] [2025-03-08 13:50:58,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:50:58,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 13:50:58,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:50:58,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 13:50:58,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 13:50:58,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 13:50:58,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 13:50:58,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:50:58,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:50:58,502 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 13:50:58,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 13:50:58,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 13:50:58,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:50:58,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:50:58,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 13:50:58,576 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 13:50:58,577 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 13:50:58,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 13:50:58,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-08 13:50:58,783 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 13:50:58,837 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 13:50:58,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 01:50:58 BoogieIcfgContainer [2025-03-08 13:50:58,839 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 13:50:58,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 13:50:58,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 13:50:58,840 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 13:50:58,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:50:57" (3/4) ... [2025-03-08 13:50:58,844 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 13:50:58,845 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 13:50:58,846 INFO L158 Benchmark]: Toolchain (without parser) took 1837.20ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 73.5MB in the end (delta: 36.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2025-03-08 13:50:58,846 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:50:58,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.45ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 97.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 13:50:58,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.62ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:50:58,847 INFO L158 Benchmark]: Boogie Preprocessor took 29.44ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 92.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:50:58,848 INFO L158 Benchmark]: IcfgBuilder took 269.66ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 76.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 13:50:58,848 INFO L158 Benchmark]: TraceAbstraction took 1284.97ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 73.5MB in the end (delta: 1.6MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2025-03-08 13:50:58,849 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 73.5MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:50:58,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.45ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 97.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.62ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.44ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 92.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 269.66ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 76.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1284.97ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 73.5MB in the end (delta: 1.6MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 73.5MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 99. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] unsigned char var_1_7 = 32; [L24] signed long int var_1_8 = -100; [L25] signed long int var_1_10 = 5; [L26] unsigned char var_1_12 = 128; [L27] unsigned char var_1_13 = 200; [L28] unsigned char var_1_14 = 8; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 128; [L31] unsigned char var_1_17 = 1; [L32] signed long int var_1_18 = 2; [L33] signed long int var_1_19 = 16; [L34] signed char var_1_20 = -4; [L35] signed char var_1_21 = 10; [L36] signed long int last_1_var_1_8 = -100; VAL [isInitial=0, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=32, var_1_8=-100] [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L96] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=32, var_1_8=-100] [L106] RET updateLastVariables() [L107] CALL updateVariables() [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L68] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L68] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L69] var_1_10 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L70] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L71] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L71] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L72] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L72] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L73] var_1_13 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L74] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L75] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L75] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L76] var_1_14 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L77] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L78] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L78] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L79] var_1_15 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L80] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L81] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L81] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L82] var_1_16 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L83] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L84] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L84] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L85] var_1_17 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L86] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L87] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L87] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L88] var_1_19 = __VERIFIER_nondet_long() [L89] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L89] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L90] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L90] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L91] var_1_21 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L92] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L93] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L93] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L107] RET updateVariables() [L108] CALL step() [L40] var_1_18 = var_1_19 [L41] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-100] [L42] COND TRUE (var_1_18 / var_1_10) >= (var_1_18 / 128.6) [L43] var_1_8 = ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L51] signed long int stepLocal_0 = (var_1_8 * var_1_20) * var_1_8; VAL [isInitial=1, last_1_var_1_8=-100, stepLocal_0=-980100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L52] COND TRUE stepLocal_0 < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8))) [L53] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L57] COND FALSE !((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) [L62] var_1_12 = var_1_17 VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return (((((((var_1_8 * var_1_20) * var_1_8) < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8)))) ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_7))) && (((var_1_18 / var_1_10) >= (var_1_18 / 128.6)) ? (var_1_8 == ((signed long int) ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20))) : ((var_1_18 <= var_1_10) ? (var_1_8 == ((signed long int) 256)) : (var_1_8 == ((signed long int) var_1_20))))) && (((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) ? (var_1_15 ? (var_1_12 == ((unsigned char) (((((var_1_16 - var_1_14)) > (var_1_7)) ? ((var_1_16 - var_1_14)) : (var_1_7))))) : 1) : (var_1_12 == ((unsigned char) var_1_17)))) && (var_1_18 == ((signed long int) var_1_19))) && (var_1_20 == ((signed char) var_1_21)) ; VAL [\result=0, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 96 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 72 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 269 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1332/1368 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 13:50:58,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:51:00,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:51:00,589 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 13:51:00,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:51:00,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:51:00,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:51:00,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:51:00,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:51:00,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:51:00,633 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:51:00,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:51:00,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:51:00,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:51:00,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:51:00,634 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:51:00,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:51:00,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:51:00,634 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:51:00,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:51:00,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:51:00,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:51:00,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:51:00,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:51:00,635 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 13:51:00,635 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 13:51:00,635 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 13:51:00,635 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:51:00,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:51:00,635 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:51:00,635 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:51:00,636 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:51:00,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:51:00,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:51:00,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:51:00,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:51:00,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:51:00,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:51:00,636 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:51:00,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:51:00,636 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 13:51:00,637 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 13:51:00,637 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:51:00,637 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:51:00,637 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:51:00,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:51:00,637 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae [2025-03-08 13:51:00,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:51:00,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:51:00,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:51:00,859 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:51:00,859 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:51:00,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i [2025-03-08 13:51:01,989 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bff4945e4/a87a281224f542e5ac65965307d3d7e4/FLAG0425a9c34 [2025-03-08 13:51:02,242 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:51:02,243 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i [2025-03-08 13:51:02,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bff4945e4/a87a281224f542e5ac65965307d3d7e4/FLAG0425a9c34 [2025-03-08 13:51:02,567 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bff4945e4/a87a281224f542e5ac65965307d3d7e4 [2025-03-08 13:51:02,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:51:02,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:51:02,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:51:02,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:51:02,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:51:02,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d5451b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02, skipping insertion in model container [2025-03-08 13:51:02,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:51:02,677 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2025-03-08 13:51:02,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:51:02,712 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:51:02,719 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2025-03-08 13:51:02,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:51:02,741 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:51:02,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02 WrapperNode [2025-03-08 13:51:02,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:51:02,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:51:02,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:51:02,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:51:02,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,768 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2025-03-08 13:51:02,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:51:02,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:51:02,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:51:02,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:51:02,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,776 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,782 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 13:51:02,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,786 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:51:02,790 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:51:02,790 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:51:02,790 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:51:02,791 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (1/1) ... [2025-03-08 13:51:02,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:51:02,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:51:02,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 13:51:02,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 13:51:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:51:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 13:51:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:51:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:51:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:51:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:51:02,903 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:51:02,904 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:51:15,948 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-08 13:51:15,952 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:51:15,959 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:51:15,959 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:51:15,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:51:15 BoogieIcfgContainer [2025-03-08 13:51:15,959 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:51:15,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:51:15,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:51:15,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:51:15,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:51:02" (1/3) ... [2025-03-08 13:51:15,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484b21d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:51:15, skipping insertion in model container [2025-03-08 13:51:15,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:51:02" (2/3) ... [2025-03-08 13:51:15,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484b21d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:51:15, skipping insertion in model container [2025-03-08 13:51:15,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:51:15" (3/3) ... [2025-03-08 13:51:15,966 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-75.i [2025-03-08 13:51:15,975 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:51:15,976 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-75.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:51:16,009 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:51:16,017 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;@a2321ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:51:16,017 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:51:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-08 13:51:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-08 13:51:16,025 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:51:16,027 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:51:16,027 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:51:16,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:51:16,032 INFO L85 PathProgramCache]: Analyzing trace with hash -71001621, now seen corresponding path program 1 times [2025-03-08 13:51:16,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:51:16,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555782686] [2025-03-08 13:51:16,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:51:16,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:51:16,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:51:16,046 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 13:51:16,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-08 13:51:16,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 13:51:16,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 13:51:16,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:51:16,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:51:16,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:51:16,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:51:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2025-03-08 13:51:16,762 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:51:16,763 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 13:51:16,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555782686] [2025-03-08 13:51:16,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555782686] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:51:16,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:51:16,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 13:51:16,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297045451] [2025-03-08 13:51:16,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:51:16,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:51:16,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 13:51:16,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:51:16,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:51:16,781 INFO L87 Difference]: Start difference. First operand has 52 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 13:51:16,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:51:16,801 INFO L93 Difference]: Finished difference Result 98 states and 168 transitions. [2025-03-08 13:51:16,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:51:16,802 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2025-03-08 13:51:16,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:51:16,807 INFO L225 Difference]: With dead ends: 98 [2025-03-08 13:51:16,807 INFO L226 Difference]: Without dead ends: 49 [2025-03-08 13:51:16,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:51:16,812 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:51:16,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:51:16,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-08 13:51:16,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-03-08 13:51:16,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-08 13:51:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2025-03-08 13:51:16,848 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2025-03-08 13:51:16,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:51:16,848 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2025-03-08 13:51:16,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 13:51:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2025-03-08 13:51:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-08 13:51:16,851 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:51:16,852 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:51:16,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-08 13:51:17,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:51:17,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:51:17,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:51:17,054 INFO L85 PathProgramCache]: Analyzing trace with hash 390601292, now seen corresponding path program 1 times [2025-03-08 13:51:17,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:51:17,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1872516839] [2025-03-08 13:51:17,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:51:17,055 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:51:17,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:51:17,056 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 13:51:17,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-08 13:51:17,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 13:51:17,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 13:51:17,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:51:17,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:51:17,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-08 13:51:17,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:51:30,281 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:51:38,652 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:51:46,884 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:51:55,231 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:52:00,393 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:52:09,224 WARN L851 $PredicateComparison]: unable to prove that (and (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_19~0 c_~var_1_18~0) (= (let ((.cse0 ((_ sign_extend 24) c_~var_1_20~0))) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse0))) (bvadd (_ bv100 32) c_~var_1_8~0)) (= c_~var_1_21~0 c_~var_1_20~0) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (bvsdiv c_~var_1_18~0 c_~var_1_10~0)) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32))) is different from false [2025-03-08 13:52:13,336 WARN L873 $PredicateComparison]: unable to prove that (and (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_19~0 c_~var_1_18~0) (= (let ((.cse0 ((_ sign_extend 24) c_~var_1_20~0))) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse0))) (bvadd (_ bv100 32) c_~var_1_8~0)) (= c_~var_1_21~0 c_~var_1_20~0) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (bvsdiv c_~var_1_18~0 c_~var_1_10~0)) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32))) is different from true [2025-03-08 13:52:20,389 WARN L286 SmtUtils]: Spent 7.05s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:52:28,794 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:52:37,004 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)