./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/float-newlib/float_req_bl_0621b.c -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 f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 05:14:39,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 05:14:39,226 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 05:14:39,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 05:14:39,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 05:14:39,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 05:14:39,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 05:14:39,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 05:14:39,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 05:14:39,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 05:14:39,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 05:14:39,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 05:14:39,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 05:14:39,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 05:14:39,272 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 05:14:39,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 05:14:39,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 05:14:39,273 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 05:14:39,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 05:14:39,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 05:14:39,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 05:14:39,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 05:14:39,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 05:14:39,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 05:14:39,278 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 05:14:39,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 05:14:39,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 05:14:39,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 05:14:39,279 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 05:14:39,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 05:14:39,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 05:14:39,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 05:14:39,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:14:39,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 05:14:39,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 05:14:39,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 05:14:39,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 05:14:39,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 05:14:39,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 05:14:39,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 05:14:39,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 05:14:39,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 05:14:39,284 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 [2024-11-16 05:14:39,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 05:14:39,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 05:14:39,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 05:14:39,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 05:14:39,546 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 05:14:39,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2024-11-16 05:14:41,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 05:14:41,182 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 05:14:41,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2024-11-16 05:14:41,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c849d67a9/357563912f184591b1267b616020dbd1/FLAGff2b9327c [2024-11-16 05:14:41,204 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c849d67a9/357563912f184591b1267b616020dbd1 [2024-11-16 05:14:41,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 05:14:41,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 05:14:41,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 05:14:41,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 05:14:41,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 05:14:41,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4deb615f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41, skipping insertion in model container [2024-11-16 05:14:41,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 05:14:41,475 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/float-newlib/float_req_bl_0621b.c[3193,3206] [2024-11-16 05:14:41,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:14:41,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 05:14:41,559 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/float-newlib/float_req_bl_0621b.c[3193,3206] [2024-11-16 05:14:41,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:14:41,590 INFO L204 MainTranslator]: Completed translation [2024-11-16 05:14:41,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41 WrapperNode [2024-11-16 05:14:41,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 05:14:41,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 05:14:41,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 05:14:41,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 05:14:41,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,646 INFO L138 Inliner]: procedures = 20, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 170 [2024-11-16 05:14:41,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 05:14:41,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 05:14:41,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 05:14:41,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 05:14:41,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,662 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,672 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-16 05:14:41,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,681 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 05:14:41,688 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 05:14:41,688 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 05:14:41,688 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 05:14:41,689 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (1/1) ... [2024-11-16 05:14:41,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:14:41,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 05:14:41,732 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) [2024-11-16 05:14:41,734 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 [2024-11-16 05:14:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 05:14:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 05:14:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-16 05:14:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 05:14:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-16 05:14:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 05:14:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-16 05:14:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 05:14:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 05:14:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 05:14:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-16 05:14:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 05:14:41,862 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 05:14:41,865 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 05:14:42,109 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-16 05:14:42,109 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 05:14:42,122 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 05:14:42,122 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 05:14:42,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:14:42 BoogieIcfgContainer [2024-11-16 05:14:42,123 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 05:14:42,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 05:14:42,125 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 05:14:42,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 05:14:42,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:14:41" (1/3) ... [2024-11-16 05:14:42,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162978b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:14:42, skipping insertion in model container [2024-11-16 05:14:42,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:41" (2/3) ... [2024-11-16 05:14:42,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162978b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:14:42, skipping insertion in model container [2024-11-16 05:14:42,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:14:42" (3/3) ... [2024-11-16 05:14:42,130 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2024-11-16 05:14:42,145 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 05:14:42,146 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 05:14:42,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 05:14:42,210 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;@5de164ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 05:14:42,210 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 05:14:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 30 states have internal predecessors, (47), 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) [2024-11-16 05:14:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-16 05:14:42,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:14:42,219 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:14:42,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:14:42,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:14:42,224 INFO L85 PathProgramCache]: Analyzing trace with hash 893297583, now seen corresponding path program 1 times [2024-11-16 05:14:42,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 05:14:42,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388665359] [2024-11-16 05:14:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:14:42,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 05:14:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:14:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:14:42,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 05:14:42,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388665359] [2024-11-16 05:14:42,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388665359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:14:42,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:14:42,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 05:14:42,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948624325] [2024-11-16 05:14:42,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:14:42,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 05:14:42,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 05:14:42,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 05:14:42,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:14:42,552 INFO L87 Difference]: Start difference. First operand has 31 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 30 states have internal predecessors, (47), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-16 05:14:42,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:14:42,565 INFO L93 Difference]: Finished difference Result 59 states and 91 transitions. [2024-11-16 05:14:42,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 05:14:42,567 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2024-11-16 05:14:42,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:14:42,574 INFO L225 Difference]: With dead ends: 59 [2024-11-16 05:14:42,574 INFO L226 Difference]: Without dead ends: 27 [2024-11-16 05:14:42,576 INFO L431 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 [2024-11-16 05:14:42,579 INFO L432 NwaCegarLoop]: 39 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, 39 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 [2024-11-16 05:14:42,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 05:14:42,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-16 05:14:42,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-16 05:14:42,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 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) [2024-11-16 05:14:42,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2024-11-16 05:14:42,611 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 9 [2024-11-16 05:14:42,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:14:42,612 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2024-11-16 05:14:42,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-16 05:14:42,612 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-16 05:14:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-16 05:14:42,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:14:42,613 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:14:42,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 05:14:42,614 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:14:42,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:14:42,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1127295383, now seen corresponding path program 1 times [2024-11-16 05:14:42,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 05:14:42,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433161849] [2024-11-16 05:14:42,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:14:42,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 05:14:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:14:42,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 05:14:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:14:42,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 05:14:42,819 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 05:14:42,821 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 05:14:42,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 05:14:42,828 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 05:14:42,860 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 05:14:42,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:14:42 BoogieIcfgContainer [2024-11-16 05:14:42,866 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 05:14:42,867 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 05:14:42,867 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 05:14:42,867 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 05:14:42,868 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:14:42" (3/4) ... [2024-11-16 05:14:42,870 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 05:14:42,871 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 05:14:42,872 INFO L158 Benchmark]: Toolchain (without parser) took 1663.89ms. Allocated memory was 148.9MB in the beginning and 207.6MB in the end (delta: 58.7MB). Free memory was 91.7MB in the beginning and 127.2MB in the end (delta: -35.5MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-16 05:14:42,872 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 148.9MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:14:42,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.18ms. Allocated memory is still 148.9MB. Free memory was 91.7MB in the beginning and 77.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 05:14:42,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.32ms. Allocated memory is still 148.9MB. Free memory was 77.1MB in the beginning and 74.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 05:14:42,874 INFO L158 Benchmark]: Boogie Preprocessor took 39.62ms. Allocated memory is still 148.9MB. Free memory was 74.9MB in the beginning and 72.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 05:14:42,875 INFO L158 Benchmark]: IcfgBuilder took 435.23ms. Allocated memory was 148.9MB in the beginning and 207.6MB in the end (delta: 58.7MB). Free memory was 72.5MB in the beginning and 171.3MB in the end (delta: -98.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-16 05:14:42,876 INFO L158 Benchmark]: TraceAbstraction took 741.25ms. Allocated memory is still 207.6MB. Free memory was 170.2MB in the beginning and 127.2MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-16 05:14:42,876 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 207.6MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:14:42,880 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 148.9MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.18ms. Allocated memory is still 148.9MB. Free memory was 91.7MB in the beginning and 77.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.32ms. Allocated memory is still 148.9MB. Free memory was 77.1MB in the beginning and 74.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.62ms. Allocated memory is still 148.9MB. Free memory was 74.9MB in the beginning and 72.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 435.23ms. Allocated memory was 148.9MB in the beginning and 207.6MB in the end (delta: 58.7MB). Free memory was 72.5MB in the beginning and 171.3MB in the end (delta: -98.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * TraceAbstraction took 741.25ms. Allocated memory is still 207.6MB. Free memory was 170.2MB in the beginning and 127.2MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 207.6MB. Free memory is still 127.2MB. 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: 132]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 131, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L54-L56] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L128] float x = -1.0f / 0.0f; [L129] CALL, EXPR atan_float(x) [L59] float w, s1, s2, z; [L60] __int32_t ix, hx, id; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=1000000000000000000000000000037] [L63] ieee_float_shape_type gf_u; [L64] gf_u.value = (x) [L65] EXPR gf_u.word [L65] (hx) = gf_u.word [L66] COND FALSE !(0) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=1000000000000000000000000000037] [L67] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=2147483647, ix=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=1000000000000000000000000000037] [L68] COND TRUE ix >= 0x50800000 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=2147483647, ix=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=1000000000000000000000000000037] [L69] COND TRUE ((ix) > 0x7f800000L) [L70] return x + x; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=1000000000000000000000000000037] [L129] RET, EXPR atan_float(x) [L129] float res = atan_float(x); [L131] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L132] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 39 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, 39 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=31occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 05:14:42,919 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/11.0.12-open/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_1.5.800.v20200727-1323.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/float-newlib/float_req_bl_0621b.c -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 f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 05:14:45,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 05:14:45,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 05:14:45,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 05:14:45,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 05:14:45,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 05:14:45,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 05:14:45,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 05:14:45,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 05:14:45,252 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 05:14:45,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 05:14:45,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 05:14:45,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 05:14:45,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 05:14:45,255 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 05:14:45,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 05:14:45,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 05:14:45,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 05:14:45,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 05:14:45,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 05:14:45,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 05:14:45,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 05:14:45,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 05:14:45,260 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 05:14:45,260 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 05:14:45,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 05:14:45,261 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 05:14:45,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 05:14:45,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 05:14:45,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 05:14:45,262 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 05:14:45,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 05:14:45,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 05:14:45,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 05:14:45,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:14:45,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 05:14:45,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 05:14:45,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 05:14:45,264 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 05:14:45,264 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 05:14:45,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 05:14:45,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 05:14:45,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 05:14:45,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 05:14:45,266 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 [2024-11-16 05:14:45,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 05:14:45,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 05:14:45,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 05:14:45,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 05:14:45,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 05:14:45,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2024-11-16 05:14:47,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 05:14:47,350 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 05:14:47,351 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2024-11-16 05:14:47,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b84ccd57/8d3ab7a806d0416fb28df7b95e644446/FLAG2d16eed50 [2024-11-16 05:14:47,722 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b84ccd57/8d3ab7a806d0416fb28df7b95e644446 [2024-11-16 05:14:47,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 05:14:47,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 05:14:47,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 05:14:47,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 05:14:47,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 05:14:47,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:14:47" (1/1) ... [2024-11-16 05:14:47,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ec94fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:47, skipping insertion in model container [2024-11-16 05:14:47,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:14:47" (1/1) ... [2024-11-16 05:14:47,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 05:14:48,012 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/float-newlib/float_req_bl_0621b.c[3193,3206] [2024-11-16 05:14:48,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:14:48,044 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 05:14:48,090 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/float-newlib/float_req_bl_0621b.c[3193,3206] [2024-11-16 05:14:48,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:14:48,117 INFO L204 MainTranslator]: Completed translation [2024-11-16 05:14:48,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48 WrapperNode [2024-11-16 05:14:48,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 05:14:48,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 05:14:48,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 05:14:48,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 05:14:48,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,178 INFO L138 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 171 [2024-11-16 05:14:48,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 05:14:48,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 05:14:48,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 05:14:48,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 05:14:48,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,194 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,218 INFO L175 MemorySlicer]: Split 45 memory accesses to 7 slices as follows [2, 7, 7, 23, 2, 2, 2]. 51 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 4, 4, 0, 0, 0, 0]. The 15 writes are split as follows [0, 0, 0, 12, 1, 1, 1]. [2024-11-16 05:14:48,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,236 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 05:14:48,262 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 05:14:48,262 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 05:14:48,262 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 05:14:48,263 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (1/1) ... [2024-11-16 05:14:48,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:14:48,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 05:14:48,299 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) [2024-11-16 05:14:48,305 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 [2024-11-16 05:14:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 05:14:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-16 05:14:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-16 05:14:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-16 05:14:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-16 05:14:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-16 05:14:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-16 05:14:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-16 05:14:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 05:14:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-16 05:14:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-16 05:14:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-16 05:14:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-16 05:14:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-16 05:14:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-16 05:14:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 05:14:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-16 05:14:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-16 05:14:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-16 05:14:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-16 05:14:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-16 05:14:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-16 05:14:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-16 05:14:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-16 05:14:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-16 05:14:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-16 05:14:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-16 05:14:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-16 05:14:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-16 05:14:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-16 05:14:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-16 05:14:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-16 05:14:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-16 05:14:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-16 05:14:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-16 05:14:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-16 05:14:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-16 05:14:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 05:14:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 05:14:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-16 05:14:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-16 05:14:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-16 05:14:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-16 05:14:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-16 05:14:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-16 05:14:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-16 05:14:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-16 05:14:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-16 05:14:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-16 05:14:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-16 05:14:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-16 05:14:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-16 05:14:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-16 05:14:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 05:14:48,496 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 05:14:48,498 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 05:15:05,646 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-16 05:15:05,646 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 05:15:05,657 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 05:15:05,658 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 05:15:05,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:05 BoogieIcfgContainer [2024-11-16 05:15:05,659 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 05:15:05,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 05:15:05,662 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 05:15:05,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 05:15:05,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:14:47" (1/3) ... [2024-11-16 05:15:05,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eacb86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:15:05, skipping insertion in model container [2024-11-16 05:15:05,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:14:48" (2/3) ... [2024-11-16 05:15:05,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eacb86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:15:05, skipping insertion in model container [2024-11-16 05:15:05,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:05" (3/3) ... [2024-11-16 05:15:05,668 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2024-11-16 05:15:05,680 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 05:15:05,681 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 05:15:05,732 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 05:15:05,738 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;@a69e319, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 05:15:05,739 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 05:15:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 30 states have internal predecessors, (47), 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) [2024-11-16 05:15:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-16 05:15:05,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:15:05,749 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:15:05,750 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:15:05,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:15:05,755 INFO L85 PathProgramCache]: Analyzing trace with hash 893297583, now seen corresponding path program 1 times [2024-11-16 05:15:05,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:15:05,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730800180] [2024-11-16 05:15:05,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:15:05,773 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 [2024-11-16 05:15:05,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:15:05,777 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) [2024-11-16 05:15:05,778 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 [2024-11-16 05:15:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:15:06,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 05:15:06,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:15:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:15:06,547 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:15:06,547 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:15:06,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730800180] [2024-11-16 05:15:06,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730800180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:15:06,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:15:06,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 05:15:06,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192430958] [2024-11-16 05:15:06,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:15:06,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 05:15:06,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:15:06,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 05:15:06,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:15:06,579 INFO L87 Difference]: Start difference. First operand has 31 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 30 states have internal predecessors, (47), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-16 05:15:06,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:15:06,594 INFO L93 Difference]: Finished difference Result 59 states and 91 transitions. [2024-11-16 05:15:06,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 05:15:06,597 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2024-11-16 05:15:06,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:15:06,605 INFO L225 Difference]: With dead ends: 59 [2024-11-16 05:15:06,606 INFO L226 Difference]: Without dead ends: 27 [2024-11-16 05:15:06,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:15:06,612 INFO L432 NwaCegarLoop]: 39 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, 39 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 [2024-11-16 05:15:06,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 05:15:06,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-16 05:15:06,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-16 05:15:06,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 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) [2024-11-16 05:15:06,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2024-11-16 05:15:06,646 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 9 [2024-11-16 05:15:06,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:15:06,646 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2024-11-16 05:15:06,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-16 05:15:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-16 05:15:06,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-16 05:15:06,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:15:06,647 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:15:06,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-16 05:15:06,848 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 [2024-11-16 05:15:06,849 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:15:06,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:15:06,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1127295383, now seen corresponding path program 1 times [2024-11-16 05:15:06,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:15:06,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018666293] [2024-11-16 05:15:06,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:15:06,851 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 [2024-11-16 05:15:06,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:15:06,854 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) [2024-11-16 05:15:06,855 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 [2024-11-16 05:15:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:15:07,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-16 05:15:07,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:15:07,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 05:15:07,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-11-16 05:15:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:15:08,293 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:15:08,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:15:08,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018666293] [2024-11-16 05:15:08,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1018666293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:15:08,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:15:08,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 05:15:08,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060256116] [2024-11-16 05:15:08,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:15:08,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 05:15:08,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:15:08,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 05:15:08,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 05:15:08,297 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2024-11-16 05:15:08,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:15:08,910 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2024-11-16 05:15:08,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 05:15:08,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2024-11-16 05:15:08,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:15:08,911 INFO L225 Difference]: With dead ends: 31 [2024-11-16 05:15:08,911 INFO L226 Difference]: Without dead ends: 12 [2024-11-16 05:15:08,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 05:15:08,913 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 9 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 05:15:08,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 16 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 05:15:08,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-16 05:15:08,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-16 05:15:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 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) [2024-11-16 05:15:08,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2024-11-16 05:15:08,917 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2024-11-16 05:15:08,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:15:08,918 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2024-11-16 05:15:08,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2024-11-16 05:15:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-16 05:15:08,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-16 05:15:08,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:15:08,919 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:15:08,942 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 [2024-11-16 05:15:09,122 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 [2024-11-16 05:15:09,123 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:15:09,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:15:09,124 INFO L85 PathProgramCache]: Analyzing trace with hash 588357840, now seen corresponding path program 1 times [2024-11-16 05:15:09,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:15:09,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918514703] [2024-11-16 05:15:09,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:15:09,125 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 [2024-11-16 05:15:09,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:15:09,126 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-16 05:15:09,129 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 (4)] Waiting until timeout for monitored process [2024-11-16 05:15:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:15:09,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-16 05:15:09,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:15:11,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 51 [2024-11-16 05:15:11,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 33 [2024-11-16 05:15:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:15:12,539 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:15:12,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:15:12,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918514703] [2024-11-16 05:15:12,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1918514703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:15:12,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:15:12,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 05:15:12,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718958234] [2024-11-16 05:15:12,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:15:12,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 05:15:12,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:15:12,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 05:15:12,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 05:15:12,542 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-16 05:15:15,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:15:15,415 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2024-11-16 05:15:15,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 05:15:15,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-11-16 05:15:15,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:15:15,416 INFO L225 Difference]: With dead ends: 12 [2024-11-16 05:15:15,416 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 05:15:15,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 05:15:15,419 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 05:15:15,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 05:15:15,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 05:15:15,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 05:15:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-16 05:15:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 05:15:15,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2024-11-16 05:15:15,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:15:15,427 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 05:15:15,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-16 05:15:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 05:15:15,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 05:15:15,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 05:15:15,472 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 (4)] Forceful destruction successful, exit code 0 [2024-11-16 05:15:15,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-16 05:15:15,637 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 05:15:15,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 05:15:15,895 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 05:15:15,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:15:15 BoogieIcfgContainer [2024-11-16 05:15:15,911 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 05:15:15,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 05:15:15,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 05:15:15,915 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 05:15:15,916 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:05" (3/4) ... [2024-11-16 05:15:15,918 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 05:15:15,931 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-16 05:15:15,932 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-16 05:15:15,933 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 05:15:15,933 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 05:15:16,037 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 05:15:16,038 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 05:15:16,039 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 05:15:16,039 INFO L158 Benchmark]: Toolchain (without parser) took 28312.17ms. Allocated memory is still 73.4MB. Free memory was 42.4MB in the beginning and 38.7MB in the end (delta: 3.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-11-16 05:15:16,040 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 56.6MB. Free memory was 28.0MB in the beginning and 27.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:15:16,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.02ms. Allocated memory is still 73.4MB. Free memory was 42.3MB in the beginning and 46.9MB in the end (delta: -4.6MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-16 05:15:16,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.48ms. Allocated memory is still 73.4MB. Free memory was 46.9MB in the beginning and 44.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 05:15:16,040 INFO L158 Benchmark]: Boogie Preprocessor took 81.37ms. Allocated memory is still 73.4MB. Free memory was 44.7MB in the beginning and 40.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 05:15:16,041 INFO L158 Benchmark]: IcfgBuilder took 17397.39ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 38.7MB in the end (delta: 2.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-16 05:15:16,041 INFO L158 Benchmark]: TraceAbstraction took 10250.01ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 44.5MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:15:16,041 INFO L158 Benchmark]: Witness Printer took 126.82ms. Allocated memory is still 73.4MB. Free memory was 44.5MB in the beginning and 38.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 05:15:16,043 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29ms. Allocated memory is still 56.6MB. Free memory was 28.0MB in the beginning and 27.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.02ms. Allocated memory is still 73.4MB. Free memory was 42.3MB in the beginning and 46.9MB in the end (delta: -4.6MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.48ms. Allocated memory is still 73.4MB. Free memory was 46.9MB in the beginning and 44.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.37ms. Allocated memory is still 73.4MB. Free memory was 44.7MB in the beginning and 40.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 17397.39ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 38.7MB in the end (delta: 2.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10250.01ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 44.5MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 126.82ms. Allocated memory is still 73.4MB. Free memory was 44.5MB in the beginning and 38.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 132]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 51 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 7 QuantifiedInterpolants, 722 SizeOfPredicates, 12 NumberOfNonLiveVariables, 331 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 62]: Location Invariant Derived location invariant: null - InvariantResult [Line: 21]: Location Invariant Derived location invariant: null - InvariantResult [Line: 19]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-16 05:15:16,194 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 Writing output log to file Ultimate.log Result: TRUE