./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:47:48,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:47:48,525 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:47:48,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:47:48,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:47:48,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:47:48,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:47:48,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:47:48,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:47:48,561 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:47:48,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:47:48,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:47:48,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:47:48,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:47:48,563 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:47:48,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:47:48,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:47:48,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:47:48,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:47:48,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:47:48,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:47:48,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:47:48,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:47:48,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:47:48,568 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:47:48,568 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:47:48,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:47:48,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:47:48,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:47:48,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:47:48,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:47:48,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:47:48,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:47:48,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:47:48,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:47:48,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:47:48,570 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:47:48,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:47:48,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:47:48,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:47:48,571 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:47:48,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:47:48,573 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 [2024-10-24 08:47:48,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:47:48,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:47:48,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:47:48,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:47:48,775 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:47:48,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2024-10-24 08:47:49,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:47:50,114 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:47:50,115 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2024-10-24 08:47:50,121 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c44dd82/26e1944d5bd94b0bba4e3d4e42884275/FLAG19a591a96 [2024-10-24 08:47:50,135 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c44dd82/26e1944d5bd94b0bba4e3d4e42884275 [2024-10-24 08:47:50,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:47:50,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:47:50,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:47:50,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:47:50,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:47:50,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9ccad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50, skipping insertion in model container [2024-10-24 08:47:50,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:47:50,286 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2024-10-24 08:47:50,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:47:50,334 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:47:50,343 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2024-10-24 08:47:50,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:47:50,387 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:47:50,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50 WrapperNode [2024-10-24 08:47:50,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:47:50,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:47:50,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:47:50,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:47:50,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,428 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2024-10-24 08:47:50,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:47:50,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:47:50,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:47:50,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:47:50,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,439 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,450 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:47:50,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:47:50,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:47:50,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:47:50,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:47:50,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (1/1) ... [2024-10-24 08:47:50,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:47:50,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:47:50,501 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) [2024-10-24 08:47:50,506 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 [2024-10-24 08:47:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:47:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:47:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:47:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:47:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:47:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:47:50,606 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:47:50,608 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:47:50,803 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-24 08:47:50,804 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:47:50,842 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:47:50,842 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:47:50,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:47:50 BoogieIcfgContainer [2024-10-24 08:47:50,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:47:50,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:47:50,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:47:50,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:47:50,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:47:50" (1/3) ... [2024-10-24 08:47:50,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bfbc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:47:50, skipping insertion in model container [2024-10-24 08:47:50,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:50" (2/3) ... [2024-10-24 08:47:50,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bfbc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:47:50, skipping insertion in model container [2024-10-24 08:47:50,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:47:50" (3/3) ... [2024-10-24 08:47:50,851 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-7.i [2024-10-24 08:47:50,864 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:47:50,864 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:47:50,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:47:50,919 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;@9a2bd24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:47:50,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:47:50,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 24 states have (on average 1.5) internal successors, (36), 25 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 08:47:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 08:47:50,932 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:47:50,933 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:47:50,933 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:47:50,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:47:50,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1111700779, now seen corresponding path program 1 times [2024-10-24 08:47:50,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:47:50,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404441947] [2024-10-24 08:47:50,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:47:50,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:47:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:47:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 08:47:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 08:47:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 08:47:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 08:47:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 08:47:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 08:47:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 08:47:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:47:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 08:47:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:47:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 08:47:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:51,224 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-24 08:47:51,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:47:51,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404441947] [2024-10-24 08:47:51,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404441947] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:47:51,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:47:51,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:47:51,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163283276] [2024-10-24 08:47:51,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:47:51,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:47:51,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:47:51,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:47:51,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:47:51,257 INFO L87 Difference]: Start difference. First operand has 39 states, 24 states have (on average 1.5) internal successors, (36), 25 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 08:47:51,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:47:51,309 INFO L93 Difference]: Finished difference Result 75 states and 130 transitions. [2024-10-24 08:47:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:47:51,316 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 75 [2024-10-24 08:47:51,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:47:51,321 INFO L225 Difference]: With dead ends: 75 [2024-10-24 08:47:51,326 INFO L226 Difference]: Without dead ends: 37 [2024-10-24 08:47:51,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:47:51,331 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:47:51,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:47:51,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-24 08:47:51,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-10-24 08:47:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 23 states have internal predecessors, (30), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 08:47:51,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 54 transitions. [2024-10-24 08:47:51,375 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 54 transitions. Word has length 75 [2024-10-24 08:47:51,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:47:51,375 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 54 transitions. [2024-10-24 08:47:51,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 08:47:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2024-10-24 08:47:51,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 08:47:51,378 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:47:51,378 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:47:51,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:47:51,379 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:47:51,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:47:51,379 INFO L85 PathProgramCache]: Analyzing trace with hash 579381913, now seen corresponding path program 1 times [2024-10-24 08:47:51,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:47:51,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316622244] [2024-10-24 08:47:51,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:47:51,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:47:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 08:47:51,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1481837926] [2024-10-24 08:47:51,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:47:51,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:47:51,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:47:51,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 08:47:51,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 08:47:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:47:51,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 08:47:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:47:51,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 08:47:51,696 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 08:47:51,699 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 08:47:51,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 08:47:51,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:47:51,906 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 08:47:51,956 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 08:47:51,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:47:51 BoogieIcfgContainer [2024-10-24 08:47:51,959 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 08:47:51,960 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 08:47:51,960 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 08:47:51,960 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 08:47:51,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:47:50" (3/4) ... [2024-10-24 08:47:51,962 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 08:47:51,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 08:47:51,963 INFO L158 Benchmark]: Toolchain (without parser) took 1824.87ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 71.0MB in the beginning and 133.2MB in the end (delta: -62.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:47:51,965 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:47:51,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.15ms. Allocated memory is still 140.5MB. Free memory was 70.8MB in the beginning and 111.1MB in the end (delta: -40.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-10-24 08:47:51,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.61ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 111.0MB in the beginning and 164.1MB in the end (delta: -53.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-10-24 08:47:51,966 INFO L158 Benchmark]: Boogie Preprocessor took 41.12ms. Allocated memory is still 192.9MB. Free memory was 164.1MB in the beginning and 160.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 08:47:51,966 INFO L158 Benchmark]: RCFGBuilder took 372.21ms. Allocated memory is still 192.9MB. Free memory was 160.9MB in the beginning and 142.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 08:47:51,967 INFO L158 Benchmark]: TraceAbstraction took 1113.95ms. Allocated memory is still 192.9MB. Free memory was 141.0MB in the beginning and 133.2MB in the end (delta: 7.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-10-24 08:47:51,967 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 192.9MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:47:51,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.15ms. Allocated memory is still 140.5MB. Free memory was 70.8MB in the beginning and 111.1MB in the end (delta: -40.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.61ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 111.0MB in the beginning and 164.1MB in the end (delta: -53.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.12ms. Allocated memory is still 192.9MB. Free memory was 164.1MB in the beginning and 160.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 372.21ms. Allocated memory is still 192.9MB. Free memory was 160.9MB in the beginning and 142.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1113.95ms. Allocated memory is still 192.9MB. Free memory was 141.0MB in the beginning and 133.2MB in the end (delta: 7.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 192.9MB. Free memory is still 133.2MB. 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] float var_1_3 = 8.2; [L24] float var_1_4 = 1000000000.4; [L25] unsigned char var_1_6 = 4; [L26] double var_1_7 = 0.2; [L27] unsigned char var_1_8 = 0; [L28] unsigned short int var_1_9 = 32; [L29] unsigned char var_1_10 = 1; [L30] double var_1_11 = 127.5; [L31] unsigned long int var_1_12 = 5; [L32] double last_1_var_1_7 = 0.2; [L33] unsigned long int last_1_var_1_12 = 5; [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L89] last_1_var_1_7 = var_1_7 [L90] last_1_var_1_12 = var_1_12 [L100] RET updateLastVariables() [L101] CALL updateVariables() [L68] var_1_3 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=5000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=5000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L69] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=5000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L70] var_1_4 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L71] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_7=1/5, var_1_8=0, var_1_9=32] [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_7=1/5, var_1_8=0, var_1_9=32] [L74] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=32] [L74] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=32] [L75] var_1_8 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_9=32] [L76] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_9=32] [L77] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=32] [L77] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=32] [L78] var_1_9 = __VERIFIER_nondet_ushort() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0] [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0] [L80] CALL assume_abort_if_not(var_1_9 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0] [L80] RET assume_abort_if_not(var_1_9 <= 65535) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0] [L81] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L81] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L85] var_1_11 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L86] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_12=5, var_1_1=1, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L101] RET updateVariables() [L102] CALL step() [L37] COND FALSE !(! (last_1_var_1_7 <= (var_1_3 - var_1_4))) [L44] var_1_1 = var_1_6 VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_12=5, var_1_1=254, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=-65281] [L46] COND FALSE !(var_1_8 || ((var_1_6 / var_1_9) >= var_1_1)) [L53] var_1_7 = var_1_11 VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=2, var_1_12=5, var_1_1=254, var_1_6=254, var_1_7=2, var_1_8=0, var_1_9=-65281] [L55] COND FALSE !(\read(var_1_8)) [L64] var_1_12 = var_1_6 VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=2, var_1_12=254, var_1_1=254, var_1_6=254, var_1_7=2, var_1_8=0, var_1_9=-65281] [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return (((! (last_1_var_1_7 <= (var_1_3 - var_1_4))) ? ((-1 < last_1_var_1_12) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_8 || ((var_1_6 / var_1_9) >= var_1_1)) ? ((var_1_8 && var_1_10) ? (var_1_7 == ((double) var_1_11)) : (var_1_7 == ((double) var_1_11))) : (var_1_7 == ((double) var_1_11)))) && (var_1_8 ? ((var_1_10 && (var_1_4 <= var_1_7)) ? ((((((var_1_4) > (var_1_11)) ? (var_1_4) : (var_1_11))) > var_1_7) ? (var_1_12 == ((unsigned long int) ((((((3725801564u - var_1_6) - var_1_1)) > (var_1_9)) ? (((3725801564u - var_1_6) - var_1_1)) : (var_1_9))))) : (var_1_12 == ((unsigned long int) var_1_6))) : 1) : (var_1_12 == ((unsigned long int) var_1_6))) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=2, var_1_12=254, var_1_1=254, var_1_6=254, var_1_7=2, var_1_8=0, var_1_9=-65281] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=2, var_1_12=254, var_1_1=254, var_1_6=254, var_1_7=2, var_1_8=0, var_1_9=-65281] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 51 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 264/264 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 [2024-10-24 08:47:51,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:47:53,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:47:53,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 08:47:53,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:47:53,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:47:53,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:47:53,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:47:53,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:47:53,982 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:47:53,983 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:47:53,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:47:53,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:47:53,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:47:53,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:47:53,984 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:47:53,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:47:53,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:47:53,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:47:53,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:47:53,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:47:53,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:47:53,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:47:53,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:47:53,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 08:47:53,987 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 08:47:53,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:47:53,988 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 08:47:53,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:47:53,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:47:53,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:47:53,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:47:53,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:47:53,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:47:53,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:47:53,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:47:53,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:47:53,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:47:53,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:47:53,991 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 08:47:53,991 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 08:47:53,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:47:53,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:47:53,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:47:53,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:47:53,992 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 08:47:53,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 [2024-10-24 08:47:54,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:47:54,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:47:54,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:47:54,308 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:47:54,309 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:47:54,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2024-10-24 08:47:55,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:47:55,866 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:47:55,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2024-10-24 08:47:55,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec60a80f/7514e39bc9bc4c299133d26ccc9c6b8c/FLAG265a56018 [2024-10-24 08:47:55,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec60a80f/7514e39bc9bc4c299133d26ccc9c6b8c [2024-10-24 08:47:55,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:47:55,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:47:55,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:47:55,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:47:55,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:47:55,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:47:55" (1/1) ... [2024-10-24 08:47:55,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448ad4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:55, skipping insertion in model container [2024-10-24 08:47:55,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:47:55" (1/1) ... [2024-10-24 08:47:55,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:47:56,072 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2024-10-24 08:47:56,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:47:56,132 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:47:56,156 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2024-10-24 08:47:56,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:47:56,196 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:47:56,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56 WrapperNode [2024-10-24 08:47:56,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:47:56,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:47:56,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:47:56,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:47:56,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,238 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2024-10-24 08:47:56,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:47:56,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:47:56,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:47:56,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:47:56,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,257 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,276 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:47:56,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:47:56,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:47:56,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:47:56,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:47:56,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (1/1) ... [2024-10-24 08:47:56,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:47:56,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:47:56,331 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) [2024-10-24 08:47:56,334 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 [2024-10-24 08:47:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:47:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 08:47:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:47:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:47:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:47:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:47:56,428 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:47:56,429 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:47:57,421 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-24 08:47:57,421 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:47:57,467 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:47:57,468 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:47:57,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:47:57 BoogieIcfgContainer [2024-10-24 08:47:57,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:47:57,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:47:57,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:47:57,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:47:57,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:47:55" (1/3) ... [2024-10-24 08:47:57,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c74610e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:47:57, skipping insertion in model container [2024-10-24 08:47:57,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:47:56" (2/3) ... [2024-10-24 08:47:57,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c74610e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:47:57, skipping insertion in model container [2024-10-24 08:47:57,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:47:57" (3/3) ... [2024-10-24 08:47:57,475 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-7.i [2024-10-24 08:47:57,488 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:47:57,489 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:47:57,537 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:47:57,544 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;@c6a7c7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:47:57,545 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:47:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 24 states have (on average 1.5) internal successors, (36), 25 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 08:47:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 08:47:57,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:47:57,556 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:47:57,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:47:57,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:47:57,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1111700779, now seen corresponding path program 1 times [2024-10-24 08:47:57,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:47:57,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203405387] [2024-10-24 08:47:57,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:47:57,584 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 [2024-10-24 08:47:57,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:47:57,586 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) [2024-10-24 08:47:57,589 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 [2024-10-24 08:47:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:57,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 08:47:57,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:47:57,819 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-10-24 08:47:57,819 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:47:57,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:47:57,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203405387] [2024-10-24 08:47:57,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203405387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:47:57,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:47:57,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:47:57,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76060986] [2024-10-24 08:47:57,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:47:57,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:47:57,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:47:57,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:47:57,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:47:57,847 INFO L87 Difference]: Start difference. First operand has 39 states, 24 states have (on average 1.5) internal successors, (36), 25 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 08:47:57,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:47:57,937 INFO L93 Difference]: Finished difference Result 75 states and 130 transitions. [2024-10-24 08:47:57,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:47:57,944 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 75 [2024-10-24 08:47:57,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:47:57,950 INFO L225 Difference]: With dead ends: 75 [2024-10-24 08:47:57,950 INFO L226 Difference]: Without dead ends: 37 [2024-10-24 08:47:57,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:47:57,958 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:47:57,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 08:47:57,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-24 08:47:57,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-10-24 08:47:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 23 states have internal predecessors, (30), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 08:47:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 54 transitions. [2024-10-24 08:47:57,993 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 54 transitions. Word has length 75 [2024-10-24 08:47:57,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:47:57,994 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 54 transitions. [2024-10-24 08:47:57,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 08:47:57,994 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2024-10-24 08:47:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 08:47:57,996 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:47:57,996 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:47:58,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 08:47:58,197 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 [2024-10-24 08:47:58,197 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:47:58,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:47:58,198 INFO L85 PathProgramCache]: Analyzing trace with hash 579381913, now seen corresponding path program 1 times [2024-10-24 08:47:58,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:47:58,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915770477] [2024-10-24 08:47:58,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:47:58,199 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 [2024-10-24 08:47:58,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:47:58,202 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) [2024-10-24 08:47:58,204 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 [2024-10-24 08:47:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:47:58,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 08:47:58,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:48:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-24 08:48:02,988 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:48:02,989 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:48:02,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915770477] [2024-10-24 08:48:02,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915770477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:48:02,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:48:02,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:48:02,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323484889] [2024-10-24 08:48:02,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:48:02,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:48:02,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:48:02,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:48:02,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:48:02,993 INFO L87 Difference]: Start difference. First operand 37 states and 54 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:05,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:48:05,063 INFO L93 Difference]: Finished difference Result 101 states and 138 transitions. [2024-10-24 08:48:05,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 08:48:05,064 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 75 [2024-10-24 08:48:05,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:48:05,066 INFO L225 Difference]: With dead ends: 101 [2024-10-24 08:48:05,066 INFO L226 Difference]: Without dead ends: 65 [2024-10-24 08:48:05,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2024-10-24 08:48:05,068 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 68 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-24 08:48:05,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 122 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-24 08:48:05,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-24 08:48:05,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 52. [2024-10-24 08:48:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 35 states have internal predecessors, (41), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 08:48:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 69 transitions. [2024-10-24 08:48:05,079 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 69 transitions. Word has length 75 [2024-10-24 08:48:05,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:48:05,079 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 69 transitions. [2024-10-24 08:48:05,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:05,080 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2024-10-24 08:48:05,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 08:48:05,082 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:48:05,082 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:48:05,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-24 08:48:05,284 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 [2024-10-24 08:48:05,285 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:48:05,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:48:05,286 INFO L85 PathProgramCache]: Analyzing trace with hash 529017084, now seen corresponding path program 1 times [2024-10-24 08:48:05,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:48:05,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809413067] [2024-10-24 08:48:05,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:48:05,287 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 [2024-10-24 08:48:05,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:48:05,300 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) [2024-10-24 08:48:05,302 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 [2024-10-24 08:48:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:05,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 08:48:05,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:48:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-24 08:48:05,489 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:48:05,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:48:05,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809413067] [2024-10-24 08:48:05,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [809413067] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:48:05,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:48:05,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:48:05,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259870156] [2024-10-24 08:48:05,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:48:05,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:48:05,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:48:05,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:48:05,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:48:05,491 INFO L87 Difference]: Start difference. First operand 52 states and 69 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:05,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:48:05,652 INFO L93 Difference]: Finished difference Result 121 states and 156 transitions. [2024-10-24 08:48:05,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:48:05,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 76 [2024-10-24 08:48:05,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:48:05,655 INFO L225 Difference]: With dead ends: 121 [2024-10-24 08:48:05,655 INFO L226 Difference]: Without dead ends: 74 [2024-10-24 08:48:05,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:48:05,658 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 24 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:48:05,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 106 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 08:48:05,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-24 08:48:05,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 71. [2024-10-24 08:48:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 49 states have internal predecessors, (55), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 08:48:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2024-10-24 08:48:05,672 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 76 [2024-10-24 08:48:05,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:48:05,672 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2024-10-24 08:48:05,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:05,673 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2024-10-24 08:48:05,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 08:48:05,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:48:05,675 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:48:05,684 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 (4)] Ended with exit code 0 [2024-10-24 08:48:05,875 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 [2024-10-24 08:48:05,876 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:48:05,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:48:05,876 INFO L85 PathProgramCache]: Analyzing trace with hash 530864126, now seen corresponding path program 1 times [2024-10-24 08:48:05,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:48:05,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034219378] [2024-10-24 08:48:05,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:48:05,877 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 [2024-10-24 08:48:05,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:48:05,880 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-10-24 08:48:05,881 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 (5)] Waiting until timeout for monitored process [2024-10-24 08:48:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:06,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 08:48:06,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:48:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-24 08:48:09,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:48:09,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:48:09,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034219378] [2024-10-24 08:48:09,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034219378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:48:09,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:48:09,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:48:09,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693538743] [2024-10-24 08:48:09,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:48:09,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:48:09,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:48:09,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:48:09,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:48:09,170 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:11,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:48:11,048 INFO L93 Difference]: Finished difference Result 78 states and 97 transitions. [2024-10-24 08:48:11,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 08:48:11,049 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 76 [2024-10-24 08:48:11,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:48:11,050 INFO L225 Difference]: With dead ends: 78 [2024-10-24 08:48:11,050 INFO L226 Difference]: Without dead ends: 76 [2024-10-24 08:48:11,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-24 08:48:11,051 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 73 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:48:11,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 110 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 08:48:11,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-24 08:48:11,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 69. [2024-10-24 08:48:11,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 47 states have internal predecessors, (52), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 08:48:11,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2024-10-24 08:48:11,060 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 76 [2024-10-24 08:48:11,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:48:11,060 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2024-10-24 08:48:11,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:11,061 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2024-10-24 08:48:11,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 08:48:11,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:48:11,062 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:48:11,069 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 (5)] Ended with exit code 0 [2024-10-24 08:48:11,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2024-10-24 08:48:11,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:48:11,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:48:11,263 INFO L85 PathProgramCache]: Analyzing trace with hash -795037091, now seen corresponding path program 1 times [2024-10-24 08:48:11,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:48:11,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580712854] [2024-10-24 08:48:11,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:48:11,264 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 [2024-10-24 08:48:11,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:48:11,266 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2024-10-24 08:48:11,267 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 (6)] Waiting until timeout for monitored process [2024-10-24 08:48:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:11,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 08:48:11,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:48:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-24 08:48:15,322 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:48:15,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:48:15,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580712854] [2024-10-24 08:48:15,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580712854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:48:15,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:48:15,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:48:15,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810906060] [2024-10-24 08:48:15,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:48:15,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:48:15,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:48:15,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:48:15,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:48:15,324 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:23,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:48:23,927 INFO L93 Difference]: Finished difference Result 102 states and 124 transitions. [2024-10-24 08:48:23,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 08:48:23,927 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 77 [2024-10-24 08:48:23,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:48:23,928 INFO L225 Difference]: With dead ends: 102 [2024-10-24 08:48:23,929 INFO L226 Difference]: Without dead ends: 100 [2024-10-24 08:48:23,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-10-24 08:48:23,930 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 82 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-10-24 08:48:23,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 148 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-10-24 08:48:23,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-24 08:48:23,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 80. [2024-10-24 08:48:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 57 states have internal predecessors, (63), 19 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 08:48:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 101 transitions. [2024-10-24 08:48:23,940 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 101 transitions. Word has length 77 [2024-10-24 08:48:23,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:48:23,940 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 101 transitions. [2024-10-24 08:48:23,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2024-10-24 08:48:23,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 08:48:23,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:48:23,943 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:48:23,953 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 (6)] Forceful destruction successful, exit code 0 [2024-10-24 08:48:24,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 [2024-10-24 08:48:24,144 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:48:24,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:48:24,145 INFO L85 PathProgramCache]: Analyzing trace with hash -737778789, now seen corresponding path program 1 times [2024-10-24 08:48:24,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:48:24,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412958298] [2024-10-24 08:48:24,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:48:24,145 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 [2024-10-24 08:48:24,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:48:24,147 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-10-24 08:48:24,147 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 (7)] Waiting until timeout for monitored process [2024-10-24 08:48:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:24,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 08:48:24,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:48:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-24 08:48:26,298 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:48:26,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:48:26,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412958298] [2024-10-24 08:48:26,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412958298] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:48:26,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:48:26,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:48:26,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912870560] [2024-10-24 08:48:26,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:48:26,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:48:26,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:48:26,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:48:26,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:48:26,300 INFO L87 Difference]: Start difference. First operand 80 states and 101 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:27,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:48:28,000 INFO L93 Difference]: Finished difference Result 171 states and 212 transitions. [2024-10-24 08:48:28,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 08:48:28,000 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 77 [2024-10-24 08:48:28,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:48:28,001 INFO L225 Difference]: With dead ends: 171 [2024-10-24 08:48:28,001 INFO L226 Difference]: Without dead ends: 96 [2024-10-24 08:48:28,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-10-24 08:48:28,003 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 89 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 08:48:28,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 129 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 08:48:28,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-24 08:48:28,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 81. [2024-10-24 08:48:28,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 55 states have (on average 1.1272727272727272) internal successors, (62), 58 states have internal predecessors, (62), 19 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 08:48:28,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2024-10-24 08:48:28,017 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 100 transitions. Word has length 77 [2024-10-24 08:48:28,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:48:28,018 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 100 transitions. [2024-10-24 08:48:28,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2024-10-24 08:48:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 08:48:28,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:48:28,019 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:48:28,029 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 (7)] Ended with exit code 0 [2024-10-24 08:48:28,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2024-10-24 08:48:28,220 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:48:28,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:48:28,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1114408197, now seen corresponding path program 1 times [2024-10-24 08:48:28,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:48:28,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806046165] [2024-10-24 08:48:28,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:48:28,221 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 [2024-10-24 08:48:28,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:48:28,222 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-10-24 08:48:28,224 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 (8)] Waiting until timeout for monitored process [2024-10-24 08:48:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:28,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 08:48:28,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:48:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-24 08:48:35,888 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:48:35,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:48:35,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806046165] [2024-10-24 08:48:35,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806046165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:48:35,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:48:35,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:48:35,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881348105] [2024-10-24 08:48:35,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:48:35,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:48:35,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:48:35,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:48:35,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:48:35,890 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:47,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:48:47,477 INFO L93 Difference]: Finished difference Result 175 states and 212 transitions. [2024-10-24 08:48:47,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 08:48:47,479 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 78 [2024-10-24 08:48:47,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:48:47,480 INFO L225 Difference]: With dead ends: 175 [2024-10-24 08:48:47,480 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 08:48:47,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2024-10-24 08:48:47,481 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 57 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-10-24 08:48:47,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 141 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2024-10-24 08:48:47,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 08:48:47,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 08:48:47,482 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) [2024-10-24 08:48:47,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 08:48:47,482 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2024-10-24 08:48:47,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:48:47,482 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 08:48:47,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 08:48:47,483 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 08:48:47,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 08:48:47,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 08:48:47,493 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 (8)] Forceful destruction successful, exit code 0 [2024-10-24 08:48:47,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 [2024-10-24 08:48:47,688 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:48:47,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 08:48:52,666 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 08:48:52,675 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-24 08:48:52,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-24 08:48:52,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-24 08:48:52,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-24 08:48:52,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-24 08:48:52,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-24 08:48:52,681 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-24 08:48:52,681 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-24 08:48:52,682 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-24 08:48:52,682 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-24 08:48:52,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:48:52 BoogieIcfgContainer [2024-10-24 08:48:52,688 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 08:48:52,688 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 08:48:52,688 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 08:48:52,689 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 08:48:52,690 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:47:57" (3/4) ... [2024-10-24 08:48:52,692 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 08:48:52,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-24 08:48:52,699 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-24 08:48:52,699 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-24 08:48:52,699 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 08:48:52,699 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 08:48:52,774 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 08:48:52,774 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 08:48:52,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 08:48:52,774 INFO L158 Benchmark]: Toolchain (without parser) took 56881.46ms. Allocated memory was 81.8MB in the beginning and 343.9MB in the end (delta: 262.1MB). Free memory was 53.2MB in the beginning and 155.7MB in the end (delta: -102.5MB). Peak memory consumption was 159.3MB. Max. memory is 16.1GB. [2024-10-24 08:48:52,775 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory was 28.5MB in the beginning and 28.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:48:52,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.35ms. Allocated memory is still 81.8MB. Free memory was 52.9MB in the beginning and 59.9MB in the end (delta: -7.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-10-24 08:48:52,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.40ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 57.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 08:48:52,775 INFO L158 Benchmark]: Boogie Preprocessor took 56.50ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 54.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 08:48:52,775 INFO L158 Benchmark]: RCFGBuilder took 1170.03ms. Allocated memory is still 81.8MB. Free memory was 54.9MB in the beginning and 36.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 08:48:52,775 INFO L158 Benchmark]: TraceAbstraction took 55218.33ms. Allocated memory was 81.8MB in the beginning and 343.9MB in the end (delta: 262.1MB). Free memory was 36.1MB in the beginning and 161.0MB in the end (delta: -124.9MB). Peak memory consumption was 136.7MB. Max. memory is 16.1GB. [2024-10-24 08:48:52,776 INFO L158 Benchmark]: Witness Printer took 85.57ms. Allocated memory is still 343.9MB. Free memory was 161.0MB in the beginning and 155.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 08:48:52,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory was 28.5MB in the beginning and 28.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.35ms. Allocated memory is still 81.8MB. Free memory was 52.9MB in the beginning and 59.9MB in the end (delta: -7.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.40ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 57.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.50ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 54.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1170.03ms. Allocated memory is still 81.8MB. Free memory was 54.9MB in the beginning and 36.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 55218.33ms. Allocated memory was 81.8MB in the beginning and 343.9MB in the end (delta: 262.1MB). Free memory was 36.1MB in the beginning and 161.0MB in the end (delta: -124.9MB). Peak memory consumption was 136.7MB. Max. memory is 16.1GB. * Witness Printer took 85.57ms. Allocated memory is still 343.9MB. Free memory was 161.0MB in the beginning and 155.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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: 19]: 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 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.2s, OverallIterations: 7, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 26.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 472 SdHoareTripleChecker+Valid, 17.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 393 mSDsluCounter, 807 SdHoareTripleChecker+Invalid, 16.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 501 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1504 IncrementalHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 306 mSDtfsCounter, 1504 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 573 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 13.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=6, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 58 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 21.3s InterpolantComputationTime, 534 NumberOfCodeBlocks, 534 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 527 ConstructedInterpolants, 0 QuantifiedInterpolants, 2511 SizeOfPredicates, 50 NumberOfNonLiveVariables, 909 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 1848/1848 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: 99]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (last_1_var_1_7 == \old(last_1_var_1_7))) && (last_1_var_1_12 == \old(last_1_var_1_12)))) RESULT: Ultimate proved your program to be correct! [2024-10-24 08:48:52,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE