./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-26.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 ddce48067b4423a9dbd4ae41b2384910d5e8f4f139aef66a78ce087435d0c23b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 16:29:59,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 16:29:59,529 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 16:29:59,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 16:29:59,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 16:29:59,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 16:29:59,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 16:29:59,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 16:29:59,567 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 16:29:59,568 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 16:29:59,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 16:29:59,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 16:29:59,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 16:29:59,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 16:29:59,570 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 16:29:59,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 16:29:59,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 16:29:59,572 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 16:29:59,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 16:29:59,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 16:29:59,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 16:29:59,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 16:29:59,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 16:29:59,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 16:29:59,577 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 16:29:59,577 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 16:29:59,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 16:29:59,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 16:29:59,578 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 16:29:59,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 16:29:59,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 16:29:59,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 16:29:59,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:29:59,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 16:29:59,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 16:29:59,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 16:29:59,581 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 16:29:59,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 16:29:59,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 16:29:59,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 16:29:59,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 16:29:59,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 16:29:59,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddce48067b4423a9dbd4ae41b2384910d5e8f4f139aef66a78ce087435d0c23b [2024-11-16 16:29:59,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 16:29:59,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 16:29:59,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 16:29:59,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 16:29:59,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 16:29:59,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-26.i [2024-11-16 16:30:01,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 16:30:01,487 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 16:30:01,487 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-26.i [2024-11-16 16:30:01,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac320ab8/a06b4c2f341d4c06a8009e5ff1242928/FLAG839ef893c [2024-11-16 16:30:01,508 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac320ab8/a06b4c2f341d4c06a8009e5ff1242928 [2024-11-16 16:30:01,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 16:30:01,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 16:30:01,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 16:30:01,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 16:30:01,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 16:30:01,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef746cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01, skipping insertion in model container [2024-11-16 16:30:01,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 16:30:01,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-26.i[915,928] [2024-11-16 16:30:01,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:30:01,808 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 16:30:01,821 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-26.i[915,928] [2024-11-16 16:30:01,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:30:01,872 INFO L204 MainTranslator]: Completed translation [2024-11-16 16:30:01,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01 WrapperNode [2024-11-16 16:30:01,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 16:30:01,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 16:30:01,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 16:30:01,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 16:30:01,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,918 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2024-11-16 16:30:01,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 16:30:01,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 16:30:01,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 16:30:01,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 16:30:01,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,932 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,946 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]. [2024-11-16 16:30:01,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,955 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 16:30:01,961 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 16:30:01,961 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 16:30:01,961 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 16:30:01,962 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (1/1) ... [2024-11-16 16:30:01,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:30:01,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:30:01,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 16:30:02,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 16:30:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 16:30:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 16:30:02,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 16:30:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 16:30:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 16:30:02,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 16:30:02,131 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 16:30:02,137 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 16:30:02,319 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-16 16:30:02,319 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 16:30:02,330 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 16:30:02,330 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 16:30:02,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:30:02 BoogieIcfgContainer [2024-11-16 16:30:02,331 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 16:30:02,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 16:30:02,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 16:30:02,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 16:30:02,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:30:01" (1/3) ... [2024-11-16 16:30:02,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102a66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:30:02, skipping insertion in model container [2024-11-16 16:30:02,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:01" (2/3) ... [2024-11-16 16:30:02,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102a66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:30:02, skipping insertion in model container [2024-11-16 16:30:02,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:30:02" (3/3) ... [2024-11-16 16:30:02,339 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-26.i [2024-11-16 16:30:02,354 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 16:30:02,354 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 16:30:02,407 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 16:30:02,414 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;@2ad0edc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 16:30:02,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 16:30:02,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 16:30:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-16 16:30:02,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:30:02,429 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:30:02,430 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:30:02,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:30:02,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1049499150, now seen corresponding path program 1 times [2024-11-16 16:30:02,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:30:02,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148485185] [2024-11-16 16:30:02,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:30:02,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:30:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 16:30:02,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 16:30:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 16:30:02,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 16:30:02,870 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 16:30:02,871 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 16:30:02,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 16:30:02,877 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-16 16:30:02,960 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 16:30:02,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:30:02 BoogieIcfgContainer [2024-11-16 16:30:02,966 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 16:30:02,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 16:30:02,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 16:30:02,969 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 16:30:02,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:30:02" (3/4) ... [2024-11-16 16:30:02,971 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 16:30:02,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 16:30:02,974 INFO L158 Benchmark]: Toolchain (without parser) took 1461.12ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 77.7MB in the beginning and 131.5MB in the end (delta: -53.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 16:30:02,975 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 16:30:02,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.89ms. Allocated memory is still 151.0MB. Free memory was 77.6MB in the beginning and 63.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 16:30:02,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.59ms. Allocated memory is still 151.0MB. Free memory was 63.4MB in the beginning and 61.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 16:30:02,977 INFO L158 Benchmark]: Boogie Preprocessor took 41.08ms. Allocated memory is still 151.0MB. Free memory was 61.4MB in the beginning and 59.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 16:30:02,978 INFO L158 Benchmark]: IcfgBuilder took 369.81ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 59.0MB in the beginning and 169.2MB in the end (delta: -110.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-16 16:30:02,979 INFO L158 Benchmark]: TraceAbstraction took 632.42ms. Allocated memory is still 207.6MB. Free memory was 168.2MB in the beginning and 131.5MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-16 16:30:02,980 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 207.6MB. Free memory was 131.5MB in the beginning and 131.5MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 16:30:02,982 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.89ms. Allocated memory is still 151.0MB. Free memory was 77.6MB in the beginning and 63.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.59ms. Allocated memory is still 151.0MB. Free memory was 63.4MB in the beginning and 61.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.08ms. Allocated memory is still 151.0MB. Free memory was 61.4MB in the beginning and 59.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 369.81ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 59.0MB in the beginning and 169.2MB in the end (delta: -110.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 632.42ms. Allocated memory is still 207.6MB. Free memory was 168.2MB in the beginning and 131.5MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 207.6MB. Free memory was 131.5MB in the beginning and 131.5MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. 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 someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryArithmeticDOUBLEoperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] signed short int var_1_4 = 1; [L24] signed short int var_1_5 = -10; [L25] double var_1_6 = 10.4; [L26] double var_1_7 = 100000000000000.2; [L27] double var_1_8 = 99.4; [L28] double var_1_9 = 49.825; [L29] unsigned short int var_1_10 = 50; [L30] unsigned char var_1_11 = 0; [L31] double var_1_12 = 4.3; [L32] double var_1_13 = 2.875; [L33] unsigned short int var_1_14 = 64; [L34] unsigned short int var_1_15 = 50; VAL [isInitial=0, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=1, var_1_5=-10, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] FCALL updateLastVariables() [L100] CALL updateVariables() [L61] var_1_4 = __VERIFIER_nondet_short() [L62] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-10, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-10, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L62] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-10, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L63] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-10, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-10, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L63] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-10, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L64] var_1_5 = __VERIFIER_nondet_short() [L65] CALL assume_abort_if_not(var_1_5 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L65] RET assume_abort_if_not(var_1_5 >= -32767) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L66] CALL assume_abort_if_not(var_1_5 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L66] RET assume_abort_if_not(var_1_5 <= 32766) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_7=500000000000001/5, var_1_8=497/5, var_1_9=1993/40] [L67] var_1_7 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_8=497/5, var_1_9=1993/40] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_8=497/5, var_1_9=1993/40] [L68] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_8=497/5, var_1_9=1993/40] [L69] var_1_8 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_9=1993/40] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_9=1993/40] [L70] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5, var_1_9=1993/40] [L71] var_1_9 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L72] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L73] var_1_11 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L74] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=50, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L75] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L75] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_12=43/10, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L76] var_1_12 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L77] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L78] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L78] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_13=23/8, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L79] var_1_13 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L80] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L81] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L81] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_14=64, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L82] var_1_14 = __VERIFIER_nondet_ushort() [L83] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L83] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L84] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L84] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L85] var_1_15 = __VERIFIER_nondet_ushort() [L86] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L86] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L87] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=65534, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=65534, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L87] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=65534, var_1_1=-1, var_1_4=-5, var_1_5=-4, var_1_6=52/5] [L100] RET updateVariables() [L101] CALL step() [L38] var_1_6 = (var_1_7 - (var_1_8 + var_1_9)) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=65534, var_1_1=-1, var_1_4=-5, var_1_5=-4] [L39] COND TRUE var_1_6 > var_1_6 [L40] var_1_1 = ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=65534, var_1_1=-4, var_1_4=-5, var_1_5=-4] [L44] signed long int stepLocal_1 = 100; [L45] unsigned char stepLocal_0 = var_1_8 <= (var_1_7 + var_1_9); VAL [isInitial=1, stepLocal_0=0, stepLocal_1=100, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=65534, var_1_1=-4, var_1_4=-5, var_1_5=-4] [L46] COND FALSE !(var_1_11 || stepLocal_0) VAL [isInitial=1, stepLocal_1=100, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=65534, var_1_1=-4, var_1_4=-5, var_1_5=-4] [L101] RET step() [L102] CALL, EXPR property() [L92-L93] return (((var_1_6 > var_1_6) ? (var_1_1 == ((signed short int) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : (var_1_1 == ((signed short int) ((((-4) < (var_1_5)) ? (-4) : (var_1_5)))))) && (var_1_6 == ((double) (var_1_7 - (var_1_8 + var_1_9))))) && ((var_1_11 || (var_1_8 <= (var_1_7 + var_1_9))) ? ((((var_1_7 + var_1_6) / ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))) <= var_1_9) ? ((var_1_6 > 2.5) ? ((100 > var_1_1) ? (var_1_10 == ((unsigned short int) var_1_14)) : (var_1_10 == ((unsigned short int) var_1_15))) : (var_1_10 == ((unsigned short int) var_1_14))) : 1) : 1) ; VAL [\result=0, isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=65534, var_1_1=-4, var_1_4=-5, var_1_5=-4] [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=65534, var_1_1=-4, var_1_4=-5, var_1_5=-4] [L19] reach_error() VAL [isInitial=1, var_1_10=50, var_1_11=0, var_1_14=50, var_1_15=65534, var_1_1=-4, var_1_4=-5, var_1_5=-4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 16:30:03,014 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-26.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 ddce48067b4423a9dbd4ae41b2384910d5e8f4f139aef66a78ce087435d0c23b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 16:30:05,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 16:30:05,239 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 16:30:05,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 16:30:05,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 16:30:05,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 16:30:05,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 16:30:05,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 16:30:05,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 16:30:05,279 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 16:30:05,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 16:30:05,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 16:30:05,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 16:30:05,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 16:30:05,282 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 16:30:05,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 16:30:05,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 16:30:05,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 16:30:05,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 16:30:05,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 16:30:05,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 16:30:05,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 16:30:05,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 16:30:05,288 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 16:30:05,288 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 16:30:05,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 16:30:05,289 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 16:30:05,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 16:30:05,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 16:30:05,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 16:30:05,290 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 16:30:05,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 16:30:05,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 16:30:05,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 16:30:05,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:30:05,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 16:30:05,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 16:30:05,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 16:30:05,291 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 16:30:05,291 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 16:30:05,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 16:30:05,292 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 16:30:05,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 16:30:05,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 16:30:05,293 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddce48067b4423a9dbd4ae41b2384910d5e8f4f139aef66a78ce087435d0c23b [2024-11-16 16:30:05,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 16:30:05,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 16:30:05,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 16:30:05,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 16:30:05,613 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 16:30:05,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-26.i [2024-11-16 16:30:07,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 16:30:07,418 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 16:30:07,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-26.i [2024-11-16 16:30:07,431 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c29c1555/fe840327eff645aba0dc7edb77339a30/FLAGede6d8bd6 [2024-11-16 16:30:07,445 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c29c1555/fe840327eff645aba0dc7edb77339a30 [2024-11-16 16:30:07,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 16:30:07,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 16:30:07,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 16:30:07,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 16:30:07,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 16:30:07,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616a3e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07, skipping insertion in model container [2024-11-16 16:30:07,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 16:30:07,656 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-26.i[915,928] [2024-11-16 16:30:07,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:30:07,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 16:30:07,741 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-26.i[915,928] [2024-11-16 16:30:07,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:30:07,806 INFO L204 MainTranslator]: Completed translation [2024-11-16 16:30:07,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07 WrapperNode [2024-11-16 16:30:07,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 16:30:07,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 16:30:07,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 16:30:07,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 16:30:07,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,859 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-16 16:30:07,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 16:30:07,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 16:30:07,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 16:30:07,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 16:30:07,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,880 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,901 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]. [2024-11-16 16:30:07,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,912 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 16:30:07,927 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 16:30:07,927 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 16:30:07,928 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 16:30:07,928 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (1/1) ... [2024-11-16 16:30:07,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:30:07,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:30:07,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 16:30:07,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 16:30:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 16:30:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 16:30:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 16:30:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 16:30:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 16:30:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 16:30:08,104 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 16:30:08,108 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 16:30:21,364 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-16 16:30:21,365 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 16:30:21,379 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 16:30:21,379 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 16:30:21,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:30:21 BoogieIcfgContainer [2024-11-16 16:30:21,380 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 16:30:21,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 16:30:21,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 16:30:21,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 16:30:21,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:30:07" (1/3) ... [2024-11-16 16:30:21,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e663689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:30:21, skipping insertion in model container [2024-11-16 16:30:21,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:07" (2/3) ... [2024-11-16 16:30:21,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e663689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:30:21, skipping insertion in model container [2024-11-16 16:30:21,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:30:21" (3/3) ... [2024-11-16 16:30:21,389 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-26.i [2024-11-16 16:30:21,407 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 16:30:21,408 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 16:30:21,474 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 16:30:21,481 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;@64530e7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 16:30:21,482 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 16:30:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 16:30:21,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-16 16:30:21,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:30:21,500 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:30:21,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:30:21,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:30:21,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1049499150, now seen corresponding path program 1 times [2024-11-16 16:30:21,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 16:30:21,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672115066] [2024-11-16 16:30:21,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:30:21,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 16:30:21,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 16:30:21,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 16:30:21,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 16:30:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:30:22,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 16:30:22,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 16:30:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 16:30:22,614 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 16:30:22,615 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 16:30:22,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672115066] [2024-11-16 16:30:22,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1672115066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:30:22,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:30:22,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 16:30:22,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163985219] [2024-11-16 16:30:22,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:30:22,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 16:30:22,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 16:30:22,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 16:30:22,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 16:30:22,647 INFO L87 Difference]: Start difference. First operand has 55 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 16:30:22,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:30:22,672 INFO L93 Difference]: Finished difference Result 102 states and 168 transitions. [2024-11-16 16:30:22,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 16:30:22,674 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-11-16 16:30:22,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:30:22,681 INFO L225 Difference]: With dead ends: 102 [2024-11-16 16:30:22,682 INFO L226 Difference]: Without dead ends: 50 [2024-11-16 16:30:22,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 16:30:22,687 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 16:30:22,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 16:30:22,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-16 16:30:22,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-16 16:30:22,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 16:30:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2024-11-16 16:30:22,728 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 109 [2024-11-16 16:30:22,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:30:22,730 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2024-11-16 16:30:22,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 16:30:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2024-11-16 16:30:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-16 16:30:22,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:30:22,734 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:30:22,762 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 [2024-11-16 16:30:22,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 16:30:22,935 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:30:22,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:30:22,936 INFO L85 PathProgramCache]: Analyzing trace with hash 693311185, now seen corresponding path program 1 times [2024-11-16 16:30:22,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 16:30:22,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248024307] [2024-11-16 16:30:22,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:30:22,937 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 16:30:22,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 16:30:22,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 16:30:22,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 16:30:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:30:23,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-16 16:30:24,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 16:31:05,493 WARN L286 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-16 16:31:33,193 WARN L286 SmtUtils]: Spent 10.88s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)