./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.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_operatoramount_amount10_file-79.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 46aaa33ce2cd486d11a2ef4403e2437c8281351e94dc09a4bc73fdbba77b7fda --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:15:57,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:15:57,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 17:15:57,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:15:57,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:15:57,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:15:57,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:15:57,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:15:57,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:15:57,754 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:15:57,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:15:57,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:15:57,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:15:57,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:15:57,755 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:15:57,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:15:57,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:15:57,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:15:57,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 17:15:57,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:15:57,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:15:57,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:15:57,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:15:57,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:15:57,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:15:57,765 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:15:57,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:15:57,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:15:57,766 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:15:57,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:15:57,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:15:57,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:15:57,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:15:57,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:15:57,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:15:57,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:15:57,767 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 17:15:57,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 17:15:57,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:15:57,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:15:57,768 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:15:57,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:15:57,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46aaa33ce2cd486d11a2ef4403e2437c8281351e94dc09a4bc73fdbba77b7fda [2024-11-16 17:15:57,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:15:58,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:15:58,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:15:58,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:15:58,022 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:15:58,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i [2024-11-16 17:15:59,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:15:59,540 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:15:59,540 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i [2024-11-16 17:15:59,547 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848b0a8e7/41d59c4d986744eb84b747bca929e213/FLAGa7a5f4690 [2024-11-16 17:15:59,958 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848b0a8e7/41d59c4d986744eb84b747bca929e213 [2024-11-16 17:15:59,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:15:59,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:15:59,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:15:59,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:15:59,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:15:59,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6dd4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:59, skipping insertion in model container [2024-11-16 17:15:59,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:15:59" (1/1) ... [2024-11-16 17:15:59,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:16:00,149 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_operatoramount_amount10_file-79.i[915,928] [2024-11-16 17:16:00,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:16:00,186 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:16:00,196 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_operatoramount_amount10_file-79.i[915,928] [2024-11-16 17:16:00,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:16:00,219 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:16:00,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00 WrapperNode [2024-11-16 17:16:00,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:16:00,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:16:00,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:16:00,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:16:00,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,248 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 75 [2024-11-16 17:16:00,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:16:00,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:16:00,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:16:00,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:16:00,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,260 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,272 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 17:16:00,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,276 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:16:00,280 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:16:00,280 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:16:00,280 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:16:00,281 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (1/1) ... [2024-11-16 17:16:00,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:16:00,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:16:00,317 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 17:16:00,319 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 17:16:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:16:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:16:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:16:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 17:16:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:16:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:16:00,408 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:16:00,410 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:16:00,538 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-16 17:16:00,539 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:16:00,549 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:16:00,549 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:16:00,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:16:00 BoogieIcfgContainer [2024-11-16 17:16:00,549 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:16:00,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:16:00,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:16:00,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:16:00,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:15:59" (1/3) ... [2024-11-16 17:16:00,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53894d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:16:00, skipping insertion in model container [2024-11-16 17:16:00,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:00" (2/3) ... [2024-11-16 17:16:00,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53894d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:16:00, skipping insertion in model container [2024-11-16 17:16:00,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:16:00" (3/3) ... [2024-11-16 17:16:00,556 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-79.i [2024-11-16 17:16:00,571 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:16:00,572 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:16:00,631 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:16:00,638 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;@3481498b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:16:00,639 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:16:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-16 17:16:00,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 17:16:00,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:16:00,651 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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 17:16:00,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:16:00,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:16:00,655 INFO L85 PathProgramCache]: Analyzing trace with hash -726204790, now seen corresponding path program 1 times [2024-11-16 17:16:00,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:16:00,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848633969] [2024-11-16 17:16:00,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:16:00,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:16:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 17:16:00,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 17:16:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 17:16:01,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 17:16:01,021 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 17:16:01,023 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 17:16:01,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 17:16:01,028 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-16 17:16:01,072 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 17:16:01,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:16:01 BoogieIcfgContainer [2024-11-16 17:16:01,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 17:16:01,076 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 17:16:01,076 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 17:16:01,076 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 17:16:01,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:16:00" (3/4) ... [2024-11-16 17:16:01,078 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 17:16:01,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 17:16:01,080 INFO L158 Benchmark]: Toolchain (without parser) took 1114.23ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 133.9MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:16:01,080 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory was 138.8MB in the beginning and 138.6MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:16:01,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.60ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 105.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 17:16:01,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.91ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 103.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 17:16:01,082 INFO L158 Benchmark]: Boogie Preprocessor took 29.94ms. Allocated memory is still 176.2MB. Free memory was 103.8MB in the beginning and 102.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 17:16:01,082 INFO L158 Benchmark]: IcfgBuilder took 269.36ms. Allocated memory is still 176.2MB. Free memory was 102.2MB in the beginning and 89.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 17:16:01,083 INFO L158 Benchmark]: TraceAbstraction took 522.52ms. Allocated memory is still 176.2MB. Free memory was 88.6MB in the beginning and 133.9MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:16:01,083 INFO L158 Benchmark]: Witness Printer took 3.19ms. Allocated memory is still 176.2MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:16:01,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory was 138.8MB in the beginning and 138.6MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.60ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 105.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.91ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 103.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.94ms. Allocated memory is still 176.2MB. Free memory was 103.8MB in the beginning and 102.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 269.36ms. Allocated memory is still 176.2MB. Free memory was 102.2MB in the beginning and 89.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 522.52ms. Allocated memory is still 176.2MB. Free memory was 88.6MB in the beginning and 133.9MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.19ms. Allocated memory is still 176.2MB. Free memory is still 133.9MB. 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 someBinaryDOUBLEComparisonOperation at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 3.375; [L23] unsigned char var_1_2 = 0; [L24] unsigned long int var_1_3 = 4257803242; [L25] unsigned long int var_1_4 = 16; [L26] unsigned long int var_1_5 = 256; [L27] double var_1_6 = 7.375; [L28] double var_1_7 = 9.9; VAL [isInitial=0, var_1_1=27/8, var_1_2=0, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L69] isInitial = 1 [L70] FCALL initially() [L71] COND TRUE 1 [L72] FCALL updateLastVariables() [L73] CALL updateVariables() [L45] var_1_2 = __VERIFIER_nondet_uchar() [L46] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L46] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=27/8, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L47] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L47] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L48] var_1_3 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L49] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L50] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L50] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L51] var_1_4 = __VERIFIER_nondet_ulong() [L52] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L52] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L53] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L53] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L54] var_1_5 = __VERIFIER_nondet_ulong() [L55] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_6=59/8, var_1_7=99/10] [L55] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_6=59/8, var_1_7=99/10] [L56] CALL assume_abort_if_not(var_1_5 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_6=59/8, var_1_7=99/10] [L56] RET assume_abort_if_not(var_1_5 <= 4294967295) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_6=59/8, var_1_7=99/10] [L57] var_1_6 = __VERIFIER_nondet_double() [L58] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_7=99/10] [L58] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_7=99/10] [L59] var_1_7 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649] [L60] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649] [L73] RET updateVariables() [L74] CALL step() [L32] unsigned long int stepLocal_1 = var_1_5; [L33] unsigned long int stepLocal_0 = ((((var_1_3 - var_1_4)) < (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5)); VAL [isInitial=1, stepLocal_0=-4294967245, stepLocal_1=-4294967245, var_1_1=27/8, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_5=-4294967245] [L34] COND FALSE !(stepLocal_0 <= 50u) [L41] var_1_1 = var_1_7 VAL [isInitial=1, stepLocal_1=-4294967245, var_1_1=4257803247, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_5=-4294967245, var_1_7=4257803247] [L74] RET step() [L75] CALL, EXPR property() [L65-L66] return ((((((var_1_3 - var_1_4)) < (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5))) <= 50u) ? (var_1_2 ? ((var_1_3 > var_1_5) ? (var_1_1 == ((double) (var_1_6 + var_1_7))) : 1) : 1) : (var_1_1 == ((double) var_1_7)) ; VAL [\result=0, isInitial=1, var_1_1=4257803247, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_5=-4294967245, var_1_7=4257803247] [L75] RET, EXPR property() [L75] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=4257803247, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_5=-4294967245, var_1_7=4257803247] [L19] reach_error() VAL [isInitial=1, var_1_1=4257803247, var_1_2=1, var_1_3=-6442450894, var_1_4=-2147483649, var_1_5=-4294967245, var_1_7=4257803247] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 10, 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=41occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 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 17:16:01,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.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 46aaa33ce2cd486d11a2ef4403e2437c8281351e94dc09a4bc73fdbba77b7fda --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:16:03,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:16:03,118 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 17:16:03,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:16:03,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:16:03,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:16:03,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:16:03,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:16:03,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:16:03,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:16:03,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:16:03,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:16:03,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:16:03,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:16:03,137 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:16:03,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:16:03,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:16:03,138 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:16:03,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:16:03,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:16:03,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:16:03,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:16:03,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:16:03,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 17:16:03,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 17:16:03,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:16:03,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 17:16:03,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:16:03,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:16:03,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:16:03,141 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:16:03,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:16:03,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:16:03,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:16:03,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:16:03,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:16:03,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:16:03,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:16:03,143 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 17:16:03,143 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 17:16:03,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:16:03,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:16:03,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:16:03,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:16:03,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46aaa33ce2cd486d11a2ef4403e2437c8281351e94dc09a4bc73fdbba77b7fda [2024-11-16 17:16:03,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:16:03,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:16:03,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:16:03,413 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:16:03,414 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:16:03,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i [2024-11-16 17:16:04,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:16:05,111 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:16:05,112 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i [2024-11-16 17:16:05,121 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb184caa/1b0b448335f04434b93dcc761815238f/FLAG466c6601a [2024-11-16 17:16:05,501 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb184caa/1b0b448335f04434b93dcc761815238f [2024-11-16 17:16:05,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:16:05,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:16:05,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:16:05,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:16:05,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:16:05,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c773a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05, skipping insertion in model container [2024-11-16 17:16:05,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:16:05,676 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_operatoramount_amount10_file-79.i[915,928] [2024-11-16 17:16:05,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:16:05,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:16:05,738 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_operatoramount_amount10_file-79.i[915,928] [2024-11-16 17:16:05,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:16:05,784 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:16:05,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05 WrapperNode [2024-11-16 17:16:05,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:16:05,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:16:05,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:16:05,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:16:05,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,832 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 75 [2024-11-16 17:16:05,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:16:05,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:16:05,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:16:05,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:16:05,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,846 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,860 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 17:16:05,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,871 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:16:05,882 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:16:05,882 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:16:05,883 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:16:05,883 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (1/1) ... [2024-11-16 17:16:05,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:16:05,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:16:05,917 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 17:16:05,919 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 17:16:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:16:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 17:16:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:16:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:16:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:16:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:16:06,007 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:16:06,010 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:16:06,344 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-16 17:16:06,344 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:16:06,357 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:16:06,357 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:16:06,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:16:06 BoogieIcfgContainer [2024-11-16 17:16:06,358 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:16:06,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:16:06,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:16:06,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:16:06,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:16:05" (1/3) ... [2024-11-16 17:16:06,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b31bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:16:06, skipping insertion in model container [2024-11-16 17:16:06,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:16:05" (2/3) ... [2024-11-16 17:16:06,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b31bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:16:06, skipping insertion in model container [2024-11-16 17:16:06,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:16:06" (3/3) ... [2024-11-16 17:16:06,366 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-79.i [2024-11-16 17:16:06,380 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:16:06,381 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:16:06,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:16:06,445 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;@1a2a0eb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:16:06,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:16:06,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-16 17:16:06,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 17:16:06,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:16:06,457 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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 17:16:06,458 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:16:06,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:16:06,464 INFO L85 PathProgramCache]: Analyzing trace with hash -726204790, now seen corresponding path program 1 times [2024-11-16 17:16:06,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:16:06,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359964204] [2024-11-16 17:16:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:16:06,478 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 17:16:06,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:16:06,484 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 17:16:06,485 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 17:16:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:16:06,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-16 17:16:06,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:16:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-16 17:16:09,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 17:16:09,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 17:16:09,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359964204] [2024-11-16 17:16:09,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359964204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:16:09,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:16:09,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 17:16:09,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214491112] [2024-11-16 17:16:09,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:16:09,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 17:16:09,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 17:16:09,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 17:16:09,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-16 17:16:09,490 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-16 17:16:11,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:16:11,216 INFO L93 Difference]: Finished difference Result 96 states and 146 transitions. [2024-11-16 17:16:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 17:16:11,218 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 68 [2024-11-16 17:16:11,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:16:11,225 INFO L225 Difference]: With dead ends: 96 [2024-11-16 17:16:11,225 INFO L226 Difference]: Without dead ends: 58 [2024-11-16 17:16:11,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-16 17:16:11,231 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 66 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:16:11,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 185 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 17:16:11,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-16 17:16:11,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2024-11-16 17:16:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-16 17:16:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2024-11-16 17:16:11,266 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 68 [2024-11-16 17:16:11,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:16:11,267 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2024-11-16 17:16:11,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-16 17:16:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2024-11-16 17:16:11,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 17:16:11,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:16:11,270 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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 17:16:11,282 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 17:16:11,474 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 17:16:11,475 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:16:11,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:16:11,477 INFO L85 PathProgramCache]: Analyzing trace with hash -33584102, now seen corresponding path program 1 times [2024-11-16 17:16:11,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:16:11,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618010215] [2024-11-16 17:16:11,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:16:11,478 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 17:16:11,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:16:11,480 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 17:16:11,494 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 17:16:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:16:11,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 17:16:11,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:16:13,362 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-16 17:16:13,362 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 17:16:13,362 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 17:16:13,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618010215] [2024-11-16 17:16:13,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618010215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:16:13,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:16:13,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 17:16:13,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833900092] [2024-11-16 17:16:13,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:16:13,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 17:16:13,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 17:16:13,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 17:16:13,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 17:16:13,365 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-16 17:16:14,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:16:14,052 INFO L93 Difference]: Finished difference Result 73 states and 86 transitions. [2024-11-16 17:16:14,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 17:16:14,052 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 69 [2024-11-16 17:16:14,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:16:14,055 INFO L225 Difference]: With dead ends: 73 [2024-11-16 17:16:14,055 INFO L226 Difference]: Without dead ends: 70 [2024-11-16 17:16:14,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-16 17:16:14,056 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 27 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 17:16:14,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 262 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 17:16:14,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-16 17:16:14,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 52. [2024-11-16 17:16:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-16 17:16:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2024-11-16 17:16:14,064 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 69 [2024-11-16 17:16:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:16:14,064 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2024-11-16 17:16:14,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-16 17:16:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2024-11-16 17:16:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 17:16:14,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:16:14,066 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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 17:16:14,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-16 17:16:14,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:16:14,268 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:16:14,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:16:14,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1898074069, now seen corresponding path program 1 times [2024-11-16 17:16:14,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:16:14,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515412274] [2024-11-16 17:16:14,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:16:14,269 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 17:16:14,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:16:14,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 17:16:14,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-16 17:16:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:16:14,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-16 17:16:14,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:16:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-16 17:16:28,685 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 17:16:28,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 17:16:28,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [515412274] [2024-11-16 17:16:28,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [515412274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:16:28,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:16:28,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 17:16:28,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159816727] [2024-11-16 17:16:28,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:16:28,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 17:16:28,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 17:16:28,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 17:16:28,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-16 17:16:28,687 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-16 17:16:34,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:16:34,593 INFO L93 Difference]: Finished difference Result 90 states and 102 transitions. [2024-11-16 17:16:34,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 17:16:34,594 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2024-11-16 17:16:34,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:16:34,598 INFO L225 Difference]: With dead ends: 90 [2024-11-16 17:16:34,598 INFO L226 Difference]: Without dead ends: 87 [2024-11-16 17:16:34,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-16 17:16:34,600 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 74 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-16 17:16:34,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 237 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-16 17:16:34,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-16 17:16:34,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 56. [2024-11-16 17:16:34,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-16 17:16:34,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions. [2024-11-16 17:16:34,611 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 67 transitions. Word has length 70 [2024-11-16 17:16:34,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:16:34,612 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 67 transitions. [2024-11-16 17:16:34,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-16 17:16:34,612 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2024-11-16 17:16:34,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 17:16:34,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:16:34,618 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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 17:16:34,625 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 [2024-11-16 17:16:34,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:16:34,819 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:16:34,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:16:34,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1869444918, now seen corresponding path program 1 times [2024-11-16 17:16:34,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:16:34,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545206654] [2024-11-16 17:16:34,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:16:34,821 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 17:16:34,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:16:34,823 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) [2024-11-16 17:16:34,824 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 [2024-11-16 17:16:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:16:34,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-16 17:16:34,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:16:35,442 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 69 proven. 21 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-16 17:16:35,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 17:16:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-16 17:16:37,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 17:16:37,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545206654] [2024-11-16 17:16:37,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545206654] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-16 17:16:37,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 17:16:37,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-16 17:16:37,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375037727] [2024-11-16 17:16:37,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:16:37,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 17:16:37,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 17:16:37,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 17:16:37,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-16 17:16:37,691 INFO L87 Difference]: Start difference. First operand 56 states and 67 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-16 17:16:38,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:16:38,710 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2024-11-16 17:16:38,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 17:16:38,711 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 70 [2024-11-16 17:16:38,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:16:38,712 INFO L225 Difference]: With dead ends: 61 [2024-11-16 17:16:38,714 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 17:16:38,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2024-11-16 17:16:38,715 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 10 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 17:16:38,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 208 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 17:16:38,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 17:16:38,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 17:16:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 17:16:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 17:16:38,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2024-11-16 17:16:38,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:16:38,716 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 17:16:38,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-16 17:16:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 17:16:38,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 17:16:38,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 17:16:38,727 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 (5)] Forceful destruction successful, exit code 0 [2024-11-16 17:16:38,924 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 [2024-11-16 17:16:38,927 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-16 17:16:38,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 17:16:42,865 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 17:16:42,878 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,879 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,879 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,879 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,880 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,880 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-16 17:16:42,880 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,880 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-16 17:16:42,880 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,880 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,880 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,881 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,881 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,881 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,881 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,881 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,881 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,881 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,882 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,882 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,882 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:16:42,882 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-16 17:16:42,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:16:42 BoogieIcfgContainer [2024-11-16 17:16:42,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 17:16:42,887 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 17:16:42,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 17:16:42,888 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 17:16:42,888 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:16:06" (3/4) ... [2024-11-16 17:16:42,890 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 17:16:42,893 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-16 17:16:42,896 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-16 17:16:42,896 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-16 17:16:42,896 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 17:16:42,896 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 17:16:42,967 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 17:16:42,968 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 17:16:42,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 17:16:42,968 INFO L158 Benchmark]: Toolchain (without parser) took 37464.17ms. Allocated memory was 71.3MB in the beginning and 237.0MB in the end (delta: 165.7MB). Free memory was 49.6MB in the beginning and 183.7MB in the end (delta: -134.1MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-16 17:16:42,968 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 71.3MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:16:42,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.75ms. Allocated memory is still 71.3MB. Free memory was 49.4MB in the beginning and 35.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 17:16:42,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.59ms. Allocated memory is still 71.3MB. Free memory was 35.7MB in the beginning and 33.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 17:16:42,969 INFO L158 Benchmark]: Boogie Preprocessor took 46.77ms. Allocated memory is still 71.3MB. Free memory was 33.9MB in the beginning and 31.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 17:16:42,969 INFO L158 Benchmark]: IcfgBuilder took 476.24ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 31.8MB in the beginning and 80.6MB in the end (delta: -48.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 17:16:42,969 INFO L158 Benchmark]: TraceAbstraction took 36527.56ms. Allocated memory was 113.2MB in the beginning and 237.0MB in the end (delta: 123.7MB). Free memory was 80.0MB in the beginning and 190.0MB in the end (delta: -110.0MB). Peak memory consumption was 128.8MB. Max. memory is 16.1GB. [2024-11-16 17:16:42,969 INFO L158 Benchmark]: Witness Printer took 80.40ms. Allocated memory is still 237.0MB. Free memory was 189.0MB in the beginning and 183.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 17:16:42,972 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 71.3MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.75ms. Allocated memory is still 71.3MB. Free memory was 49.4MB in the beginning and 35.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.59ms. Allocated memory is still 71.3MB. Free memory was 35.7MB in the beginning and 33.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.77ms. Allocated memory is still 71.3MB. Free memory was 33.9MB in the beginning and 31.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 476.24ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 31.8MB in the beginning and 80.6MB in the end (delta: -48.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 36527.56ms. Allocated memory was 113.2MB in the beginning and 237.0MB in the end (delta: 123.7MB). Free memory was 80.0MB in the beginning and 190.0MB in the end (delta: -110.0MB). Peak memory consumption was 128.8MB. Max. memory is 16.1GB. * Witness Printer took 80.40ms. Allocated memory is still 237.0MB. Free memory was 189.0MB in the beginning and 183.7MB in the end (delta: 5.3MB). 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: 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: 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: currentRoundingMode - 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, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.5s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 892 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 709 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 636 IncrementalHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 183 mSDtfsCounter, 636 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 363 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=3, InterpolantAutomatonStates: 52, 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, 4 MinimizatonAttempts, 54 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 21.6s InterpolantComputationTime, 277 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 1778 SizeOfPredicates, 39 NumberOfNonLiveVariables, 451 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 879/900 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: 71]: Location Invariant Derived location 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_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7)))) RESULT: Ultimate proved your program to be correct! [2024-11-16 17:16:43,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE