./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-28.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35dbf726a4814cc3b8eca88126217bdc439adaa540e8480cdf873ab27590b7a0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:28:19,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:28:19,073 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 12:28:19,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:28:19,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:28:19,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:28:19,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:28:19,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:28:19,098 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:28:19,099 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:28:19,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:28:19,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:28:19,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:28:19,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:28:19,100 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:28:19,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:28:19,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:28:19,100 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:28:19,101 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:28:19,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:28:19,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:28:19,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:28:19,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:28:19,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:28:19,102 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:28:19,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:28:19,102 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 12:28:19,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 12:28:19,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:28:19,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:28:19,102 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:28:19,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:28:19,102 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35dbf726a4814cc3b8eca88126217bdc439adaa540e8480cdf873ab27590b7a0 [2025-01-09 12:28:19,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:28:19,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:28:19,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:28:19,324 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:28:19,324 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:28:19,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-28.i [2025-01-09 12:28:20,430 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2848fe037/ec97d407aaa141ea84a9148946b8573e/FLAG016ff7c9b [2025-01-09 12:28:20,621 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:28:20,621 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-28.i [2025-01-09 12:28:20,634 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2848fe037/ec97d407aaa141ea84a9148946b8573e/FLAG016ff7c9b [2025-01-09 12:28:20,643 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2848fe037/ec97d407aaa141ea84a9148946b8573e [2025-01-09 12:28:20,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:28:20,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:28:20,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:28:20,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:28:20,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:28:20,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5d3808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20, skipping insertion in model container [2025-01-09 12:28:20,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:28:20,755 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-28.i[917,930] [2025-01-09 12:28:20,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:28:20,792 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:28:20,800 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-28.i[917,930] [2025-01-09 12:28:20,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:28:20,828 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:28:20,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20 WrapperNode [2025-01-09 12:28:20,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:28:20,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:28:20,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:28:20,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:28:20,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,853 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2025-01-09 12:28:20,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:28:20,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:28:20,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:28:20,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:28:20,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,861 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,869 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]. [2025-01-09 12:28:20,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,872 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:28:20,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:28:20,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:28:20,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:28:20,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (1/1) ... [2025-01-09 12:28:20,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:28:20,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:28:20,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 12:28:20,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 12:28:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:28:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:28:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:28:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 12:28:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:28:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:28:20,979 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:28:20,980 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:28:21,142 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-01-09 12:28:21,142 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:28:21,150 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:28:21,150 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:28:21,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:28:21 BoogieIcfgContainer [2025-01-09 12:28:21,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:28:21,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:28:21,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:28:21,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:28:21,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:28:20" (1/3) ... [2025-01-09 12:28:21,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544b446c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:28:21, skipping insertion in model container [2025-01-09 12:28:21,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:20" (2/3) ... [2025-01-09 12:28:21,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544b446c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:28:21, skipping insertion in model container [2025-01-09 12:28:21,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:28:21" (3/3) ... [2025-01-09 12:28:21,158 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-28.i [2025-01-09 12:28:21,168 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:28:21,169 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-28.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:28:21,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:28:21,209 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;@4b2499cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:28:21,210 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:28:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 12:28:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-09 12:28:21,219 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:28:21,219 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:28:21,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:28:21,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:28:21,223 INFO L85 PathProgramCache]: Analyzing trace with hash 743311824, now seen corresponding path program 1 times [2025-01-09 12:28:21,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:28:21,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230437515] [2025-01-09 12:28:21,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:28:21,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:28:21,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-09 12:28:21,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-09 12:28:21,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:28:21,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:28:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-01-09 12:28:21,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:28:21,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230437515] [2025-01-09 12:28:21,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230437515] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 12:28:21,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39748862] [2025-01-09 12:28:21,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:28:21,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:28:21,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:28:21,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 12:28:21,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 12:28:21,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-09 12:28:21,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-09 12:28:21,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:28:21,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:28:21,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:28:21,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:28:21,503 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-01-09 12:28:21,503 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:28:21,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39748862] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:28:21,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 12:28:21,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 12:28:21,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140907680] [2025-01-09 12:28:21,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:28:21,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:28:21,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:28:21,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:28:21,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:28:21,520 INFO L87 Difference]: Start difference. First operand has 55 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 12:28:21,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:28:21,533 INFO L93 Difference]: Finished difference Result 104 states and 165 transitions. [2025-01-09 12:28:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:28:21,534 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 96 [2025-01-09 12:28:21,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:28:21,538 INFO L225 Difference]: With dead ends: 104 [2025-01-09 12:28:21,538 INFO L226 Difference]: Without dead ends: 52 [2025-01-09 12:28:21,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:28:21,541 INFO L435 NwaCegarLoop]: 71 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, 71 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 [2025-01-09 12:28:21,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:28:21,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-01-09 12:28:21,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-01-09 12:28:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 36 states have internal predecessors, (43), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 12:28:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2025-01-09 12:28:21,563 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 96 [2025-01-09 12:28:21,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:28:21,564 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2025-01-09 12:28:21,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 12:28:21,564 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2025-01-09 12:28:21,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-09 12:28:21,566 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:28:21,566 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:28:21,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 12:28:21,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 12:28:21,767 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:28:21,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:28:21,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2057587216, now seen corresponding path program 1 times [2025-01-09 12:28:21,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:28:21,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926994461] [2025-01-09 12:28:21,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:28:21,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:28:21,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-09 12:28:21,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-09 12:28:21,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:28:21,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:28:21,858 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:28:21,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-09 12:28:21,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-09 12:28:21,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:28:21,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:28:21,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 12:28:21,960 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 12:28:21,960 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 12:28:21,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 12:28:21,965 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 12:28:22,014 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 12:28:22,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:28:22 BoogieIcfgContainer [2025-01-09 12:28:22,028 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 12:28:22,029 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 12:28:22,029 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 12:28:22,029 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 12:28:22,031 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:28:21" (3/4) ... [2025-01-09 12:28:22,032 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 12:28:22,033 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 12:28:22,034 INFO L158 Benchmark]: Toolchain (without parser) took 1387.64ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 120.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2025-01-09 12:28:22,034 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:28:22,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.80ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 111.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:28:22,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.67ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 109.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:28:22,034 INFO L158 Benchmark]: Boogie Preprocessor took 23.53ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 107.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:28:22,035 INFO L158 Benchmark]: RCFGBuilder took 272.16ms. Allocated memory is still 167.8MB. Free memory was 107.6MB in the beginning and 91.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:28:22,035 INFO L158 Benchmark]: TraceAbstraction took 876.99ms. Allocated memory is still 167.8MB. Free memory was 90.8MB in the beginning and 120.9MB in the end (delta: -30.1MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2025-01-09 12:28:22,035 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 120.8MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:28:22,036 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.80ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 111.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.67ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 109.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.53ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 107.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.16ms. Allocated memory is still 167.8MB. Free memory was 107.6MB in the beginning and 91.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 876.99ms. Allocated memory is still 167.8MB. Free memory was 90.8MB in the beginning and 120.9MB in the end (delta: -30.1MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 120.8MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 42, overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 1; [L23] float var_1_2 = 63.75; [L24] float var_1_3 = 255.75; [L25] signed char var_1_5 = 10; [L26] signed char var_1_6 = 4; [L27] signed char var_1_7 = -10; [L28] float var_1_8 = 4.75; [L29] float var_1_9 = 99.5; [L30] float var_1_10 = 255.9; [L31] float var_1_11 = 24.85; [L32] signed long int var_1_12 = -2; [L33] signed long int var_1_13 = 1629954775; [L34] signed long int var_1_15 = 1928642731; [L35] signed short int var_1_18 = 0; [L36] unsigned short int var_1_19 = 5; VAL [isInitial=0, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_2=255/4, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L91] isInitial = 1 [L92] FCALL initially() [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L61] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L62] var_1_3 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L63] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L64] var_1_5 = __VERIFIER_nondet_char() [L65] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L65] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L66] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L66] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L67] var_1_6 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L68] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L69] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L69] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L70] var_1_7 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4, var_1_9=199/2] [L71] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4, var_1_9=199/2] [L72] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4, var_1_9=199/2] [L72] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4, var_1_9=199/2] [L73] var_1_9 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L74] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L75] var_1_10 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L76] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L77] var_1_13 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_13 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L78] RET assume_abort_if_not(var_1_13 >= 1073741822) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L79] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L79] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L80] var_1_15 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L81] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L82] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L82] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L95] RET updateVariables() [L96] CALL step() [L40] signed long int stepLocal_0 = -4; VAL [isInitial=1, stepLocal_0=-4, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=19/4] [L41] COND TRUE stepLocal_0 < var_1_6 [L42] var_1_8 = ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=497/20, var_1_12=-2, var_1_13=2147483646, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=2147483651, var_1_9=2147483651] [L44] var_1_11 = ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) [L45] var_1_18 = var_1_5 [L46] var_1_19 = var_1_6 VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2, var_1_13=2147483646, var_1_15=2147483646, var_1_18=-1, var_1_19=5, var_1_1=1, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=2147483651, var_1_9=2147483651] [L47] COND TRUE (var_1_2 - var_1_3) <= (- var_1_8) [L48] var_1_1 = (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2, var_1_13=2147483646, var_1_15=2147483646, var_1_18=-1, var_1_19=5, var_1_1=-6, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=2147483651, var_1_9=2147483651] [L52] EXPR var_1_6 | 5 VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2, var_1_13=2147483646, var_1_15=2147483646, var_1_18=-1, var_1_19=5, var_1_1=-6, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=2147483651, var_1_9=2147483651] [L52] signed long int stepLocal_1 = var_1_6 | 5; [L53] COND FALSE !(stepLocal_1 <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) [L56] var_1_12 = (var_1_6 + (((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) - var_1_19)) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=5, var_1_13=2147483646, var_1_15=2147483646, var_1_18=-1, var_1_19=5, var_1_1=-6, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=2147483651, var_1_9=2147483651] [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR (((((var_1_2 - var_1_3) <= (- var_1_8)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_19))) ? (var_1_6) : ((var_1_13 - var_1_19)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) (var_1_6 + (((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) - var_1_19))))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=5, var_1_13=2147483646, var_1_15=2147483646, var_1_18=-1, var_1_19=5, var_1_1=-6, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=2147483651, var_1_9=2147483651] [L87-L88] return (((((((var_1_2 - var_1_3) <= (- var_1_8)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_19))) ? (var_1_6) : ((var_1_13 - var_1_19)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) (var_1_6 + (((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) - var_1_19)))))) && (var_1_18 == ((signed short int) var_1_5))) && (var_1_19 == ((unsigned short int) var_1_6)) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=5, var_1_13=2147483646, var_1_15=2147483646, var_1_18=-1, var_1_19=5, var_1_1=-6, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=2147483651, var_1_9=2147483651] [L19] reach_error() VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=5, var_1_13=2147483646, var_1_15=2147483646, var_1_18=-1, var_1_19=5, var_1_1=-6, var_1_5=-1, var_1_6=5, var_1_7=-6, var_1_8=2147483651, var_1_9=2147483651] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 71 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, 71 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 234 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 12:28:22,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-28.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35dbf726a4814cc3b8eca88126217bdc439adaa540e8480cdf873ab27590b7a0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:28:23,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:28:23,861 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 12:28:23,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:28:23,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:28:23,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:28:23,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:28:23,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:28:23,894 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:28:23,894 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:28:23,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:28:23,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:28:23,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:28:23,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:28:23,894 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:28:23,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:28:23,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:28:23,895 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:28:23,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:28:23,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:28:23,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:28:23,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:28:23,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:28:23,895 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 12:28:23,895 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:28:23,896 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:28:23,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:28:23,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:28:23,896 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:28:23,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:28:23,897 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 12:28:23,897 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 12:28:23,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:28:23,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:28:23,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:28:23,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:28:23,897 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35dbf726a4814cc3b8eca88126217bdc439adaa540e8480cdf873ab27590b7a0 [2025-01-09 12:28:24,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:28:24,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:28:24,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:28:24,121 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:28:24,121 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:28:24,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-28.i [2025-01-09 12:28:25,290 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5a377fa9a/6cd3a826c90d4c5bb7f974be5b6461fb/FLAGeb6a6c3ca [2025-01-09 12:28:25,479 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:28:25,480 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-28.i [2025-01-09 12:28:25,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5a377fa9a/6cd3a826c90d4c5bb7f974be5b6461fb/FLAGeb6a6c3ca [2025-01-09 12:28:25,853 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5a377fa9a/6cd3a826c90d4c5bb7f974be5b6461fb [2025-01-09 12:28:25,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:28:25,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:28:25,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:28:25,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:28:25,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:28:25,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:28:25" (1/1) ... [2025-01-09 12:28:25,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c1438d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:25, skipping insertion in model container [2025-01-09 12:28:25,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:28:25" (1/1) ... [2025-01-09 12:28:25,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:28:25,969 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-28.i[917,930] [2025-01-09 12:28:26,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:28:26,030 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:28:26,038 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-28.i[917,930] [2025-01-09 12:28:26,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:28:26,069 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:28:26,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26 WrapperNode [2025-01-09 12:28:26,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:28:26,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:28:26,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:28:26,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:28:26,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,096 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2025-01-09 12:28:26,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:28:26,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:28:26,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:28:26,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:28:26,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,105 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,112 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]. [2025-01-09 12:28:26,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,117 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:28:26,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:28:26,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:28:26,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:28:26,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (1/1) ... [2025-01-09 12:28:26,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:28:26,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:28:26,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 12:28:26,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 12:28:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:28:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 12:28:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:28:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:28:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:28:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:28:26,216 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:28:26,217 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:28:26,523 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-01-09 12:28:26,524 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:28:26,529 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:28:26,529 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:28:26,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:28:26 BoogieIcfgContainer [2025-01-09 12:28:26,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:28:26,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:28:26,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:28:26,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:28:26,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:28:25" (1/3) ... [2025-01-09 12:28:26,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7587a68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:28:26, skipping insertion in model container [2025-01-09 12:28:26,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:28:26" (2/3) ... [2025-01-09 12:28:26,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7587a68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:28:26, skipping insertion in model container [2025-01-09 12:28:26,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:28:26" (3/3) ... [2025-01-09 12:28:26,536 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-28.i [2025-01-09 12:28:26,545 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:28:26,546 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-28.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:28:26,579 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:28:26,586 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;@6649f620, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:28:26,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:28:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 12:28:26,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-09 12:28:26,595 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:28:26,596 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:28:26,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:28:26,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:28:26,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1429966532, now seen corresponding path program 1 times [2025-01-09 12:28:26,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:28:26,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229452351] [2025-01-09 12:28:26,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:28:26,609 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 [2025-01-09 12:28:26,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:28:26,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 12:28:26,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-01-09 12:28:26,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-09 12:28:26,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-09 12:28:26,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:28:26,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:28:26,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:28:26,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:28:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2025-01-09 12:28:26,816 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:28:26,817 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:28:26,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229452351] [2025-01-09 12:28:26,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229452351] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:28:26,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:28:26,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 12:28:26,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299335640] [2025-01-09 12:28:26,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:28:26,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:28:26,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:28:26,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:28:26,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:28:26,837 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 12:28:26,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:28:26,856 INFO L93 Difference]: Finished difference Result 86 states and 137 transitions. [2025-01-09 12:28:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:28:26,857 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2025-01-09 12:28:26,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:28:26,863 INFO L225 Difference]: With dead ends: 86 [2025-01-09 12:28:26,863 INFO L226 Difference]: Without dead ends: 43 [2025-01-09 12:28:26,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:28:26,867 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 12:28:26,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:28:26,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-01-09 12:28:26,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2025-01-09 12:28:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 12:28:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions. [2025-01-09 12:28:26,915 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 93 [2025-01-09 12:28:26,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:28:26,916 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions. [2025-01-09 12:28:26,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 12:28:26,916 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2025-01-09 12:28:26,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-09 12:28:26,919 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:28:26,920 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:28:26,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-01-09 12:28:27,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 12:28:27,121 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:28:27,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:28:27,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1824049532, now seen corresponding path program 1 times [2025-01-09 12:28:27,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:28:27,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23565469] [2025-01-09 12:28:27,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:28:27,122 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 [2025-01-09 12:28:27,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:28:27,124 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 12:28:27,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-01-09 12:28:27,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-09 12:28:27,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-09 12:28:27,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:28:27,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:28:27,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-09 12:28:27,294 INFO L279 TraceCheckSpWp]: Computing forward predicates...