./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-floats-scientific-comp/loop5.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 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 16:23:00,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 16:23:01,030 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 16:23:01,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 16:23:01,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 16:23:01,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 16:23:01,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 16:23:01,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 16:23:01,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 16:23:01,056 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 16:23:01,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 16:23:01,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 16:23:01,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 16:23:01,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 16:23:01,056 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 16:23:01,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 16:23:01,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 16:23:01,056 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 16:23:01,057 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 16:23:01,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:23:01,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 16:23:01,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 16:23:01,058 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 16:23:01,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 16:23:01,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 16:23:01,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 16:23:01,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 16:23:01,058 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 16:23:01,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 16:23:01,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 16:23:01,059 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 -> 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a [2025-03-16 16:23:01,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 16:23:01,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 16:23:01,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 16:23:01,312 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 16:23:01,313 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 16:23:01,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2025-03-16 16:23:02,443 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6c8bf9d/55cd2d168ffd4a2889c69858ff8ef55f/FLAG97e9057c4 [2025-03-16 16:23:02,729 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 16:23:02,730 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2025-03-16 16:23:02,743 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6c8bf9d/55cd2d168ffd4a2889c69858ff8ef55f/FLAG97e9057c4 [2025-03-16 16:23:03,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6c8bf9d/55cd2d168ffd4a2889c69858ff8ef55f [2025-03-16 16:23:03,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 16:23:03,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 16:23:03,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 16:23:03,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 16:23:03,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 16:23:03,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab61f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03, skipping insertion in model container [2025-03-16 16:23:03,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,051 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 16:23:03,304 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/loop5.i[40788,40801] [2025-03-16 16:23:03,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:23:03,324 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 16:23:03,344 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/loop5.i[40788,40801] [2025-03-16 16:23:03,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:23:03,410 INFO L204 MainTranslator]: Completed translation [2025-03-16 16:23:03,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03 WrapperNode [2025-03-16 16:23:03,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 16:23:03,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 16:23:03,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 16:23:03,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 16:23:03,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,437 INFO L138 Inliner]: procedures = 452, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 70 [2025-03-16 16:23:03,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 16:23:03,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 16:23:03,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 16:23:03,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 16:23:03,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,446 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,455 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]. [2025-03-16 16:23:03,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,458 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 16:23:03,461 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 16:23:03,461 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 16:23:03,461 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 16:23:03,462 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (1/1) ... [2025-03-16 16:23:03,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:23:03,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 16:23:03,486 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) [2025-03-16 16:23:03,491 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 [2025-03-16 16:23:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 16:23:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 16:23:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 16:23:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 16:23:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-16 16:23:03,566 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 16:23:03,568 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 16:23:03,676 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-03-16 16:23:03,677 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 16:23:03,683 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 16:23:03,683 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 16:23:03,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:23:03 BoogieIcfgContainer [2025-03-16 16:23:03,684 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 16:23:03,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 16:23:03,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 16:23:03,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 16:23:03,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:23:03" (1/3) ... [2025-03-16 16:23:03,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593c728c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:23:03, skipping insertion in model container [2025-03-16 16:23:03,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:03" (2/3) ... [2025-03-16 16:23:03,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593c728c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:23:03, skipping insertion in model container [2025-03-16 16:23:03,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:23:03" (3/3) ... [2025-03-16 16:23:03,691 INFO L128 eAbstractionObserver]: Analyzing ICFG loop5.i [2025-03-16 16:23:03,700 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 16:23:03,701 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG loop5.i that has 1 procedures, 14 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 16:23:03,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 16:23:03,740 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;@3c0f8a15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 16:23:03,740 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 16:23:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 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) [2025-03-16 16:23:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-16 16:23:03,747 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:23:03,748 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:23:03,748 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:23:03,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:23:03,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1034151623, now seen corresponding path program 1 times [2025-03-16 16:23:03,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 16:23:03,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246395238] [2025-03-16 16:23:03,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:23:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 16:23:03,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-16 16:23:03,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-16 16:23:03,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:23:03,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:23:03,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:23:03,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 16:23:03,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246395238] [2025-03-16 16:23:03,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246395238] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:23:03,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:23:03,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 16:23:03,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738118594] [2025-03-16 16:23:03,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:23:03,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 16:23:03,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 16:23:03,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 16:23:03,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 16:23:03,882 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2025-03-16 16:23:03,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:23:03,889 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2025-03-16 16:23:03,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 16:23:03,890 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2025-03-16 16:23:03,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:23:03,894 INFO L225 Difference]: With dead ends: 27 [2025-03-16 16:23:03,894 INFO L226 Difference]: Without dead ends: 11 [2025-03-16 16:23:03,895 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 [2025-03-16 16:23:03,897 INFO L435 NwaCegarLoop]: 15 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, 15 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 [2025-03-16 16:23:03,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 16:23:03,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2025-03-16 16:23:03,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-03-16 16:23:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2025-03-16 16:23:03,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2025-03-16 16:23:03,913 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2025-03-16 16:23:03,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:23:03,914 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2025-03-16 16:23:03,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2025-03-16 16:23:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2025-03-16 16:23:03,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-16 16:23:03,914 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:23:03,914 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:23:03,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 16:23:03,915 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:23:03,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:23:03,915 INFO L85 PathProgramCache]: Analyzing trace with hash -544360967, now seen corresponding path program 1 times [2025-03-16 16:23:03,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 16:23:03,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628702844] [2025-03-16 16:23:03,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:23:03,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 16:23:03,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-16 16:23:03,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-16 16:23:03,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:23:03,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 16:23:03,935 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 16:23:03,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-16 16:23:03,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-16 16:23:03,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:23:03,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 16:23:03,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 16:23:03,958 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 16:23:03,959 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 16:23:03,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 16:23:03,961 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-16 16:23:03,974 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 16:23:03,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 04:23:03 BoogieIcfgContainer [2025-03-16 16:23:03,979 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 16:23:03,980 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 16:23:03,980 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 16:23:03,980 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 16:23:03,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:23:03" (3/4) ... [2025-03-16 16:23:03,982 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 16:23:03,983 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 16:23:03,984 INFO L158 Benchmark]: Toolchain (without parser) took 972.00ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 103.0MB in the end (delta: 10.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2025-03-16 16:23:03,984 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 226.5MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:23:03,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.97ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 70.7MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-16 16:23:03,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.24ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 68.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:23:03,984 INFO L158 Benchmark]: Boogie Preprocessor took 23.27ms. Allocated memory is still 142.6MB. Free memory was 68.2MB in the beginning and 67.2MB in the end (delta: 991.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:23:03,984 INFO L158 Benchmark]: IcfgBuilder took 222.48ms. Allocated memory is still 142.6MB. Free memory was 67.2MB in the beginning and 54.9MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:23:03,985 INFO L158 Benchmark]: TraceAbstraction took 293.87ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 103.0MB in the end (delta: -48.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:23:03,985 INFO L158 Benchmark]: Witness Printer took 2.83ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 103.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:23:03,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 226.5MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.97ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 70.7MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.24ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 68.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.27ms. Allocated memory is still 142.6MB. Free memory was 68.2MB in the beginning and 67.2MB in the end (delta: 991.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 222.48ms. Allocated memory is still 142.6MB. Free memory was 67.2MB in the beginning and 54.9MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 293.87ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 103.0MB in the end (delta: -48.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.83ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 103.0MB 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: 991]: 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 1027, overapproximation of someBinaryArithmeticDOUBLEoperation at line 1002, overapproximation of someBinaryDOUBLEComparisonOperation at line 1035, overapproximation of someBinaryDOUBLEComparisonOperation at line 1001, overapproximation of someBinaryArithmeticFLOAToperation at line 1009, overapproximation of someBinaryArithmeticFLOAToperation at line 1015. Possible FailurePath: [L994] float pi = 3.14159 ; [L1013] int x ; [L1014] float angleInRadian ; [L1015] float phaseLag = pi/2, phaseLead=pi ; [L1016] double sum1=0.0, sum2 = 0.0 ; [L1017] int temp; [L1018] double count=0.0 ; VAL [pi=314159/100000, sum1=0, sum2=0] [L1022] COND TRUE 1 [L1024] x = __VERIFIER_nondet_int() [L1025] CALL assume_abort_if_not(x > -180 && x < 180) [L989] COND FALSE !(!cond) VAL [pi=314159/100000] [L1025] RET assume_abort_if_not(x > -180 && x < 180) [L1026] CALL, EXPR radianMeasure(x) [L1009] return (degrees * (pi/180)) ; [L1026] RET, EXPR radianMeasure(x) [L1026] angleInRadian = radianMeasure(x) [L1027] sum2 = sum2 + sin(angleInRadian+2*phaseLead) [L1028] sum1 = sum1 + cos(angleInRadian+3*phaseLag) [L1030] temp = __VERIFIER_nondet_int() [L1031] count++ VAL [pi=314159/100000, temp=0] [L1032] COND TRUE temp == 0 VAL [pi=314159/100000] [L1035] CALL, EXPR diff(sum1,sum2) [L1001] COND TRUE x1 > x2 [L1002] return (x1-x2) ; VAL [pi=314159/100000] [L1035] RET, EXPR diff(sum1,sum2) [L1035] CALL __VERIFIER_assert(diff(sum1,sum2) <= count*2) [L991] COND TRUE !(cond) VAL [pi=314159/100000] [L991] reach_error() VAL [pi=314159/100000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 18 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 15 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, 15 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=14occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 [2025-03-16 16:23:04,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-floats-scientific-comp/loop5.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 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 16:23:05,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 16:23:05,948 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-16 16:23:05,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 16:23:05,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 16:23:05,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 16:23:05,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 16:23:05,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 16:23:05,982 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 16:23:05,982 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 16:23:05,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 16:23:05,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 16:23:05,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 16:23:05,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 16:23:05,983 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 16:23:05,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 16:23:05,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 16:23:05,984 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 16:23:05,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 16:23:05,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 16:23:05,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 16:23:05,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 16:23:05,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 16:23:05,984 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 16:23:05,985 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:23:05,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 16:23:05,985 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 16:23:05,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 16:23:05,986 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 -> 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a [2025-03-16 16:23:06,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 16:23:06,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 16:23:06,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 16:23:06,239 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 16:23:06,240 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 16:23:06,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2025-03-16 16:23:07,411 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e7e82187/35c567b5695f4474a716d3b9da5fa152/FLAGff817ef8f [2025-03-16 16:23:07,664 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 16:23:07,664 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2025-03-16 16:23:07,676 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e7e82187/35c567b5695f4474a716d3b9da5fa152/FLAGff817ef8f [2025-03-16 16:23:07,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e7e82187/35c567b5695f4474a716d3b9da5fa152 [2025-03-16 16:23:07,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 16:23:07,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 16:23:07,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 16:23:07,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 16:23:07,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 16:23:07,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:23:07" (1/1) ... [2025-03-16 16:23:07,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2201fb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:07, skipping insertion in model container [2025-03-16 16:23:07,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:23:07" (1/1) ... [2025-03-16 16:23:08,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 16:23:08,260 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/loop5.i[40788,40801] [2025-03-16 16:23:08,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:23:08,283 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 16:23:08,319 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/loop5.i[40788,40801] [2025-03-16 16:23:08,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:23:08,394 INFO L204 MainTranslator]: Completed translation [2025-03-16 16:23:08,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08 WrapperNode [2025-03-16 16:23:08,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 16:23:08,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 16:23:08,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 16:23:08,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 16:23:08,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,434 INFO L138 Inliner]: procedures = 453, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 69 [2025-03-16 16:23:08,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 16:23:08,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 16:23:08,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 16:23:08,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 16:23:08,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,442 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,451 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]. [2025-03-16 16:23:08,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,459 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 16:23:08,470 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 16:23:08,470 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 16:23:08,471 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 16:23:08,471 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (1/1) ... [2025-03-16 16:23:08,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:23:08,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 16:23:08,496 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) [2025-03-16 16:23:08,502 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 [2025-03-16 16:23:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 16:23:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-16 16:23:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 16:23:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 16:23:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 16:23:08,623 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 16:23:08,624 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 16:23:13,112 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2025-03-16 16:23:13,113 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 16:23:13,120 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 16:23:13,120 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 16:23:13,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:23:13 BoogieIcfgContainer [2025-03-16 16:23:13,121 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 16:23:13,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 16:23:13,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 16:23:13,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 16:23:13,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:23:07" (1/3) ... [2025-03-16 16:23:13,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695c2f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:23:13, skipping insertion in model container [2025-03-16 16:23:13,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:23:08" (2/3) ... [2025-03-16 16:23:13,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695c2f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:23:13, skipping insertion in model container [2025-03-16 16:23:13,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:23:13" (3/3) ... [2025-03-16 16:23:13,129 INFO L128 eAbstractionObserver]: Analyzing ICFG loop5.i [2025-03-16 16:23:13,139 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 16:23:13,140 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG loop5.i that has 1 procedures, 14 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 16:23:13,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 16:23:13,182 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;@6fbf3609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 16:23:13,183 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 16:23:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 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) [2025-03-16 16:23:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-16 16:23:13,192 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:23:13,192 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:23:13,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:23:13,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:23:13,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1034151623, now seen corresponding path program 1 times [2025-03-16 16:23:13,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:23:13,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327515347] [2025-03-16 16:23:13,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:23:13,205 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 [2025-03-16 16:23:13,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:23:13,207 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) [2025-03-16 16:23:13,208 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 [2025-03-16 16:23:13,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-16 16:23:13,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-16 16:23:13,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:23:13,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:23:13,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 16:23:13,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:23:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:23:13,413 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:23:13,413 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:23:13,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327515347] [2025-03-16 16:23:13,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327515347] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:23:13,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:23:13,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 16:23:13,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124434989] [2025-03-16 16:23:13,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:23:13,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 16:23:13,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:23:13,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 16:23:13,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 16:23:13,432 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2025-03-16 16:23:13,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:23:13,439 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2025-03-16 16:23:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 16:23:13,440 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2025-03-16 16:23:13,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:23:13,446 INFO L225 Difference]: With dead ends: 27 [2025-03-16 16:23:13,446 INFO L226 Difference]: Without dead ends: 11 [2025-03-16 16:23:13,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 16:23:13,451 INFO L435 NwaCegarLoop]: 15 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, 15 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 [2025-03-16 16:23:13,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 16:23:13,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2025-03-16 16:23:13,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-03-16 16:23:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2025-03-16 16:23:13,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2025-03-16 16:23:13,474 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2025-03-16 16:23:13,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:23:13,474 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2025-03-16 16:23:13,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2025-03-16 16:23:13,475 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2025-03-16 16:23:13,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-16 16:23:13,475 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:23:13,476 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:23:13,487 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 [2025-03-16 16:23:13,676 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 [2025-03-16 16:23:13,677 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:23:13,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:23:13,677 INFO L85 PathProgramCache]: Analyzing trace with hash -544360967, now seen corresponding path program 1 times [2025-03-16 16:23:13,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:23:13,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785629053] [2025-03-16 16:23:13,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:23:13,678 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 [2025-03-16 16:23:13,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:23:13,680 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) [2025-03-16 16:23:13,681 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 [2025-03-16 16:23:13,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-16 16:23:14,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-16 16:23:14,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:23:14,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 16:23:14,094 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 16:23:14,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-16 16:23:14,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-16 16:23:14,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:23:14,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 16:23:14,509 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-16 16:23:14,510 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 16:23:14,511 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 16:23:14,534 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 (3)] Ended with exit code 0 [2025-03-16 16:23:14,712 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 [2025-03-16 16:23:14,715 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-16 16:23:14,729 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 16:23:14,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 04:23:14 BoogieIcfgContainer [2025-03-16 16:23:14,731 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 16:23:14,731 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 16:23:14,731 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 16:23:14,731 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 16:23:14,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:23:13" (3/4) ... [2025-03-16 16:23:14,734 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 16:23:14,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 16:23:14,735 INFO L158 Benchmark]: Toolchain (without parser) took 6755.90ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 62.3MB in the end (delta: 29.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2025-03-16 16:23:14,735 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:23:14,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.17ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 46.2MB in the end (delta: 45.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-16 16:23:14,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.91ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 43.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:23:14,736 INFO L158 Benchmark]: Boogie Preprocessor took 35.22ms. Allocated memory is still 117.4MB. Free memory was 43.9MB in the beginning and 42.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:23:14,736 INFO L158 Benchmark]: IcfgBuilder took 4650.60ms. Allocated memory is still 117.4MB. Free memory was 42.3MB in the beginning and 84.0MB in the end (delta: -41.8MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2025-03-16 16:23:14,737 INFO L158 Benchmark]: TraceAbstraction took 1608.25ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 62.3MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 16:23:14,737 INFO L158 Benchmark]: Witness Printer took 2.80ms. Allocated memory is still 117.4MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:23:14,739 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.17ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 46.2MB in the end (delta: 45.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.91ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 43.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.22ms. Allocated memory is still 117.4MB. Free memory was 43.9MB in the beginning and 42.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 4650.60ms. Allocated memory is still 117.4MB. Free memory was 42.3MB in the beginning and 84.0MB in the end (delta: -41.8MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1608.25ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 62.3MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.80ms. Allocated memory is still 117.4MB. Free memory is still 62.3MB. 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: 991]: 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 1028, overapproximation of sin at line 1027. Possible FailurePath: [L994] float pi = 3.14159 ; [L1013] int x ; [L1014] float angleInRadian ; [L1015] float phaseLag = pi/2, phaseLead=pi ; [L1016] double sum1=0.0, sum2 = 0.0 ; [L1017] int temp; [L1018] double count=0.0 ; VAL [count=0.0, pi=3.141590118408203, sum1=0.0, sum2=0.0] [L1022] COND TRUE 1 [L1024] x = __VERIFIER_nondet_int() [L1025] CALL assume_abort_if_not(x > -180 && x < 180) [L989] COND FALSE !(!cond) VAL [pi=3.141590118408203] [L1025] RET assume_abort_if_not(x > -180 && x < 180) [L1026] CALL, EXPR radianMeasure(x) [L1009] return (degrees * (pi/180)) ; [L1026] RET, EXPR radianMeasure(x) [L1026] angleInRadian = radianMeasure(x) [L1027] sum2 = sum2 + sin(angleInRadian+2*phaseLead) [L1028] sum1 = sum1 + cos(angleInRadian+3*phaseLag) [L1030] temp = __VERIFIER_nondet_int() [L1031] count++ VAL [count=1.0, pi=3.141590118408203, sum1=0.0, sum2=-26815615859885194000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L1032] COND TRUE temp == 0 VAL [count=1.0, pi=3.141590118408203, sum1=0.0, sum2=-26815615859885194000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L1035] CALL, EXPR diff(sum1,sum2) [L1001] COND TRUE x1 > x2 [L1002] return (x1-x2) ; VAL [\result=26815615859885194000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, pi=3.141590118408203] [L1035] RET, EXPR diff(sum1,sum2) [L1035] CALL __VERIFIER_assert(diff(sum1,sum2) <= count*2) [L991] COND TRUE !(cond) VAL [pi=3.141590118408203] [L991] reach_error() VAL [pi=3.141590118408203] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 18 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, 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, 15 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, 15 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 [2025-03-16 16:23:14,775 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