./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 12:04:48,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 12:04:49,003 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 12:04:49,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 12:04:49,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 12:04:49,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 12:04:49,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 12:04:49,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 12:04:49,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 12:04:49,035 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 12:04:49,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 12:04:49,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 12:04:49,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 12:04:49,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 12:04:49,037 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 12:04:49,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 12:04:49,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 12:04:49,037 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 12:04:49,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 12:04:49,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 12:04:49,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 12:04:49,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 12:04:49,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 12:04:49,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 12:04:49,038 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 12:04:49,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 12:04:49,038 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 12:04:49,038 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 12:04:49,038 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 12:04:49,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 12:04:49,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 12:04:49,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 12:04:49,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:04:49,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 12:04:49,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 12:04:49,039 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 12:04:49,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 12:04:49,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 12:04:49,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 12:04:49,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 12:04:49,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 12:04:49,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 12:04:49,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 12:04:49,040 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d [2025-03-03 12:04:49,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 12:04:49,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 12:04:49,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 12:04:49,307 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 12:04:49,307 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 12:04:49,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2025-03-03 12:04:50,545 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ca658c4/eccd546d0e1f4b7fb5ff43ce77830cae/FLAG454b78c3d [2025-03-03 12:04:50,826 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 12:04:50,827 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2025-03-03 12:04:50,843 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ca658c4/eccd546d0e1f4b7fb5ff43ce77830cae/FLAG454b78c3d [2025-03-03 12:04:50,866 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ca658c4/eccd546d0e1f4b7fb5ff43ce77830cae [2025-03-03 12:04:50,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 12:04:50,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 12:04:50,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 12:04:50,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 12:04:50,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 12:04:50,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:04:50" (1/1) ... [2025-03-03 12:04:50,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723d838b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:50, skipping insertion in model container [2025-03-03 12:04:50,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:04:50" (1/1) ... [2025-03-03 12:04:50,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 12:04:51,261 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2025-03-03 12:04:51,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:04:51,285 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 12:04:51,314 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2025-03-03 12:04:51,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:04:51,377 INFO L204 MainTranslator]: Completed translation [2025-03-03 12:04:51,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51 WrapperNode [2025-03-03 12:04:51,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 12:04:51,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 12:04:51,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 12:04:51,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 12:04:51,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,414 INFO L138 Inliner]: procedures = 452, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 70 [2025-03-03 12:04:51,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 12:04:51,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 12:04:51,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 12:04:51,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 12:04:51,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,421 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,428 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2025-03-03 12:04:51,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,431 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 12:04:51,434 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 12:04:51,434 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 12:04:51,434 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 12:04:51,434 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (1/1) ... [2025-03-03 12:04:51,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:04:51,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 12:04:51,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 12:04:51,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 12:04:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 12:04:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 12:04:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 12:04:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 12:04:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 12:04:51,547 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 12:04:51,549 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 12:04:51,663 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2025-03-03 12:04:51,663 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 12:04:51,671 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 12:04:51,671 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 12:04:51,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:04:51 BoogieIcfgContainer [2025-03-03 12:04:51,672 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 12:04:51,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 12:04:51,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 12:04:51,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 12:04:51,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 12:04:50" (1/3) ... [2025-03-03 12:04:51,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa97975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:04:51, skipping insertion in model container [2025-03-03 12:04:51,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:51" (2/3) ... [2025-03-03 12:04:51,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa97975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:04:51, skipping insertion in model container [2025-03-03 12:04:51,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:04:51" (3/3) ... [2025-03-03 12:04:51,683 INFO L128 eAbstractionObserver]: Analyzing ICFG loop4.i [2025-03-03 12:04:51,695 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 12:04:51,696 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG loop4.i that has 1 procedures, 17 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 12:04:51,743 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 12:04:51,753 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;@76415a49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 12:04:51,754 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 12:04:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-03 12:04:51,762 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:04:51,763 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:04:51,763 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:04:51,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:04:51,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1714708492, now seen corresponding path program 1 times [2025-03-03 12:04:51,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 12:04:51,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219481217] [2025-03-03 12:04:51,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:04:51,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 12:04:51,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-03 12:04:51,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-03 12:04:51,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:04:51,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:04:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:04:51,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 12:04:51,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219481217] [2025-03-03 12:04:51,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219481217] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:04:51,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:04:51,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 12:04:51,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616491557] [2025-03-03 12:04:51,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:04:51,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 12:04:51,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 12:04:51,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 12:04:51,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 12:04:51,915 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:51,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:04:51,923 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2025-03-03 12:04:51,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 12:04:51,925 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-03 12:04:51,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:04:51,928 INFO L225 Difference]: With dead ends: 32 [2025-03-03 12:04:51,928 INFO L226 Difference]: Without dead ends: 13 [2025-03-03 12:04:51,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 12:04:51,932 INFO L435 NwaCegarLoop]: 18 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, 18 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 12:04:51,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 12:04:51,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-03-03 12:04:51,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-03-03 12:04:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2025-03-03 12:04:51,951 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 8 [2025-03-03 12:04:51,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:04:51,951 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2025-03-03 12:04:51,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:51,952 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2025-03-03 12:04:51,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-03 12:04:51,952 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:04:51,952 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:04:51,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 12:04:51,952 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:04:51,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:04:51,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1740697063, now seen corresponding path program 1 times [2025-03-03 12:04:51,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 12:04:51,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951232926] [2025-03-03 12:04:51,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:04:51,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 12:04:51,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-03 12:04:51,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-03 12:04:51,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:04:51,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 12:04:51,998 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 12:04:52,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-03 12:04:52,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-03 12:04:52,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:04:52,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 12:04:52,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 12:04:52,040 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 12:04:52,041 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 12:04:52,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 12:04:52,045 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 12:04:52,060 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 12:04:52,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 12:04:52 BoogieIcfgContainer [2025-03-03 12:04:52,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 12:04:52,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 12:04:52,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 12:04:52,066 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 12:04:52,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:04:51" (3/4) ... [2025-03-03 12:04:52,068 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 12:04:52,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 12:04:52,069 INFO L158 Benchmark]: Toolchain (without parser) took 1198.92ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 98.6MB in the end (delta: 12.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2025-03-03 12:04:52,069 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:04:52,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.08ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 66.9MB in the end (delta: 44.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-03 12:04:52,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.41ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 64.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:04:52,070 INFO L158 Benchmark]: Boogie Preprocessor took 18.29ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 63.6MB in the end (delta: 900.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:04:52,070 INFO L158 Benchmark]: IcfgBuilder took 238.19ms. Allocated memory is still 142.6MB. Free memory was 63.2MB in the beginning and 51.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:04:52,070 INFO L158 Benchmark]: TraceAbstraction took 390.98ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 98.7MB in the end (delta: -47.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:04:52,070 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 98.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:04:52,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.08ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 66.9MB in the end (delta: 44.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.41ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 64.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.29ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 63.6MB in the end (delta: 900.9kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 238.19ms. Allocated memory is still 142.6MB. Free memory was 63.2MB in the beginning and 51.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 390.98ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 98.7MB in the end (delta: -47.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 98.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 988]: 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 someBinaryArithmeticDOUBLEoperation at line 998, overapproximation of someBinaryArithmeticDOUBLEoperation at line 1023, overapproximation of someBinaryDOUBLEComparisonOperation at line 1031, overapproximation of someBinaryDOUBLEComparisonOperation at line 997, overapproximation of someBinaryArithmeticFLOAToperation at line 1005, overapproximation of someBinaryArithmeticFLOAToperation at line 1011. Possible FailurePath: [L990] float pi = 3.14159 ; VAL [pi=314159/100000] [L1009] int x ; [L1010] float angleInRadian ; [L1011] float phaseLag = pi/2, phaseLead=pi ; [L1012] double sum1=0.0, sum2 = 0.0 ; [L1013] int temp; [L1014] double count=0.0 ; VAL [pi=314159/100000, sum1=0, sum2=0] [L1018] COND TRUE 1 [L1020] x = __VERIFIER_nondet_int() [L1021] CALL assume_abort_if_not(x > -180 && x < 180) [L986] COND FALSE !(!cond) VAL [pi=314159/100000] [L1021] RET assume_abort_if_not(x > -180 && x < 180) [L1022] CALL, EXPR radianMeasure(x) [L1005] return (degrees * (pi/180)) ; VAL [pi=314159/100000] [L1022] RET, EXPR radianMeasure(x) [L1022] angleInRadian = radianMeasure(x) [L1023] sum2 = sum2 + sin(angleInRadian+2*phaseLead) [L1024] sum1 = sum1 + cos(angleInRadian+phaseLag) [L1026] temp = __VERIFIER_nondet_int() [L1027] count++ VAL [pi=314159/100000, temp=0] [L1028] COND TRUE temp == 0 VAL [pi=314159/100000] [L1031] CALL, EXPR diff(sum1,sum2) [L997] COND TRUE x1 > x2 [L998] return (x1-x2) ; VAL [pi=314159/100000] [L1031] RET, EXPR diff(sum1,sum2) [L1031] CALL __VERIFIER_assert(diff(sum1,sum2) <= count) [L988] COND TRUE !(cond) VAL [pi=314159/100000] [L988] reach_error() VAL [pi=314159/100000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, 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, 18 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, 18 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 12:04:52,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 12:04:54,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 12:04:54,091 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 12:04:54,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 12:04:54,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 12:04:54,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 12:04:54,123 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 12:04:54,123 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 12:04:54,123 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 12:04:54,124 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 12:04:54,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 12:04:54,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 12:04:54,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 12:04:54,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 12:04:54,125 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 12:04:54,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 12:04:54,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 12:04:54,125 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 12:04:54,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 12:04:54,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 12:04:54,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 12:04:54,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 12:04:54,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 12:04:54,126 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 12:04:54,126 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 12:04:54,126 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 12:04:54,126 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 12:04:54,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 12:04:54,127 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 12:04:54,127 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 12:04:54,127 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 12:04:54,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 12:04:54,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 12:04:54,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 12:04:54,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:04:54,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 12:04:54,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 12:04:54,128 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 12:04:54,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 12:04:54,128 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 12:04:54,128 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 12:04:54,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 12:04:54,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 12:04:54,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 12:04:54,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 12:04:54,128 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d [2025-03-03 12:04:54,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 12:04:54,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 12:04:54,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 12:04:54,390 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 12:04:54,391 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 12:04:54,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2025-03-03 12:04:55,615 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7fbb0ef/35116103604f417295b1a0383339764e/FLAGe663f96e7 [2025-03-03 12:04:55,886 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 12:04:55,889 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2025-03-03 12:04:55,901 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7fbb0ef/35116103604f417295b1a0383339764e/FLAGe663f96e7 [2025-03-03 12:04:55,917 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7fbb0ef/35116103604f417295b1a0383339764e [2025-03-03 12:04:55,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 12:04:55,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 12:04:55,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 12:04:55,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 12:04:55,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 12:04:55,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:04:55" (1/1) ... [2025-03-03 12:04:55,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2853a64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:55, skipping insertion in model container [2025-03-03 12:04:55,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:04:55" (1/1) ... [2025-03-03 12:04:55,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 12:04:56,335 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2025-03-03 12:04:56,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:04:56,361 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 12:04:56,389 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2025-03-03 12:04:56,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:04:56,462 INFO L204 MainTranslator]: Completed translation [2025-03-03 12:04:56,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56 WrapperNode [2025-03-03 12:04:56,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 12:04:56,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 12:04:56,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 12:04:56,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 12:04:56,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,494 INFO L138 Inliner]: procedures = 453, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 69 [2025-03-03 12:04:56,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 12:04:56,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 12:04:56,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 12:04:56,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 12:04:56,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,516 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2025-03-03 12:04:56,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,521 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 12:04:56,529 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 12:04:56,529 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 12:04:56,530 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 12:04:56,530 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (1/1) ... [2025-03-03 12:04:56,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:04:56,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 12:04:56,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 12:04:56,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 12:04:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 12:04:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-03 12:04:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 12:04:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 12:04:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 12:04:56,642 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 12:04:56,643 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 12:05:03,507 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2025-03-03 12:05:03,507 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 12:05:03,512 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 12:05:03,513 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 12:05:03,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:05:03 BoogieIcfgContainer [2025-03-03 12:05:03,513 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 12:05:03,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 12:05:03,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 12:05:03,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 12:05:03,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 12:04:55" (1/3) ... [2025-03-03 12:05:03,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a14124c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:05:03, skipping insertion in model container [2025-03-03 12:05:03,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:56" (2/3) ... [2025-03-03 12:05:03,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a14124c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:05:03, skipping insertion in model container [2025-03-03 12:05:03,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:05:03" (3/3) ... [2025-03-03 12:05:03,520 INFO L128 eAbstractionObserver]: Analyzing ICFG loop4.i [2025-03-03 12:05:03,530 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 12:05:03,531 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG loop4.i that has 1 procedures, 17 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 12:05:03,563 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 12:05:03,571 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;@30032e2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 12:05:03,571 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 12:05:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:05:03,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-03 12:05:03,577 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:05:03,577 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:05:03,577 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:05:03,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:05:03,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1714708492, now seen corresponding path program 1 times [2025-03-03 12:05:03,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:05:03,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984851788] [2025-03-03 12:05:03,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:05:03,588 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 12:05:03,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:05:03,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 12:05:03,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-03 12:05:03,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-03 12:05:03,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-03 12:05:03,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:05:03,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:05:03,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 12:05:03,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:05:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:05:03,752 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:05:03,753 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:05:03,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984851788] [2025-03-03 12:05:03,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984851788] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:05:03,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:05:03,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 12:05:03,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395830703] [2025-03-03 12:05:03,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:05:03,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 12:05:03,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:05:03,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 12:05:03,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 12:05:03,777 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:05:03,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:05:03,786 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2025-03-03 12:05:03,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 12:05:03,788 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-03 12:05:03,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:05:03,791 INFO L225 Difference]: With dead ends: 32 [2025-03-03 12:05:03,792 INFO L226 Difference]: Without dead ends: 13 [2025-03-03 12:05:03,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 12:05:03,795 INFO L435 NwaCegarLoop]: 18 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, 18 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 12:05:03,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 12:05:03,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-03-03 12:05:03,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-03-03 12:05:03,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:05:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2025-03-03 12:05:03,829 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 8 [2025-03-03 12:05:03,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:05:03,829 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2025-03-03 12:05:03,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:05:03,829 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2025-03-03 12:05:03,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-03 12:05:03,829 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:05:03,829 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:05:03,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-03 12:05:04,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 12:05:04,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:05:04,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:05:04,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1740697063, now seen corresponding path program 1 times [2025-03-03 12:05:04,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:05:04,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222328692] [2025-03-03 12:05:04,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:05:04,033 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 12:05:04,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:05:04,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 12:05:04,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-03 12:05:04,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-03 12:05:04,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-03 12:05:04,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:05:04,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 12:05:04,424 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 12:05:04,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-03 12:05:04,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-03 12:05:04,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:05:04,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 12:05:04,941 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-03 12:05:04,941 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 12:05:04,944 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 12:05:04,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2025-03-03 12:05:05,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 12:05:05,149 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 12:05:05,168 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 12:05:05,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 12:05:05 BoogieIcfgContainer [2025-03-03 12:05:05,170 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 12:05:05,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 12:05:05,171 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 12:05:05,171 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 12:05:05,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:05:03" (3/4) ... [2025-03-03 12:05:05,173 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 12:05:05,173 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 12:05:05,174 INFO L158 Benchmark]: Toolchain (without parser) took 9251.09ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 49.2MB in the end (delta: 9.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2025-03-03 12:05:05,174 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:05:05,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.46ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 54.8MB in the end (delta: 3.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2025-03-03 12:05:05,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.78ms. Allocated memory is still 83.9MB. Free memory was 54.8MB in the beginning and 52.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:05:05,175 INFO L158 Benchmark]: Boogie Preprocessor took 33.71ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 50.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:05:05,175 INFO L158 Benchmark]: IcfgBuilder took 6983.99ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 39.6MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 12:05:05,175 INFO L158 Benchmark]: TraceAbstraction took 1655.22ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 49.7MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:05:05,175 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 49.2MB in the end (delta: 505.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:05:05,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.46ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 54.8MB in the end (delta: 3.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.78ms. Allocated memory is still 83.9MB. Free memory was 54.8MB in the beginning and 52.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.71ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 50.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 6983.99ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 39.6MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1655.22ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 49.7MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 49.2MB in the end (delta: 505.0kB). 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: 988]: 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 cos at line 1024, overapproximation of sin at line 1023. Possible FailurePath: [L990] float pi = 3.14159 ; VAL [pi=3.141590118408203] [L1009] int x ; [L1010] float angleInRadian ; [L1011] float phaseLag = pi/2, phaseLead=pi ; [L1012] double sum1=0.0, sum2 = 0.0 ; [L1013] int temp; [L1014] double count=0.0 ; VAL [count=0.0, pi=3.141590118408203, sum1=0.0, sum2=0.0] [L1018] COND TRUE 1 [L1020] x = __VERIFIER_nondet_int() [L1021] CALL assume_abort_if_not(x > -180 && x < 180) [L986] COND FALSE !(!cond) VAL [pi=3.141590118408203] [L1021] RET assume_abort_if_not(x > -180 && x < 180) [L1022] CALL, EXPR radianMeasure(x) [L1005] return (degrees * (pi/180)) ; VAL [\result=0.0, pi=3.141590118408203] [L1022] RET, EXPR radianMeasure(x) [L1022] angleInRadian = radianMeasure(x) [L1023] sum2 = sum2 + sin(angleInRadian+2*phaseLead) [L1024] sum1 = sum1 + cos(angleInRadian+phaseLag) [L1026] temp = __VERIFIER_nondet_int() [L1027] count++ VAL [count=1.0, pi=3.141590118408203, sum1=-15070690079358872000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, sum2=-24313567786412068000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L1028] COND TRUE temp == 0 VAL [count=1.0, pi=3.141590118408203, sum1=-15070690079358872000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, sum2=-24313567786412068000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L1031] CALL, EXPR diff(sum1,sum2) [L997] COND TRUE x1 > x2 [L998] return (x1-x2) ; VAL [\result=24313567786412068000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, pi=3.141590118408203] [L1031] RET, EXPR diff(sum1,sum2) [L1031] CALL __VERIFIER_assert(diff(sum1,sum2) <= count) [L988] COND TRUE !(cond) VAL [pi=3.141590118408203] [L988] reach_error() VAL [pi=3.141590118408203] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, 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, 18 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, 18 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 37 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 12:05:05,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample