./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.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 c25fdf54b6f541c81bd34c83e620d33eb23d78f7c7642cf05a1f51f35a823e8e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 11:09:32,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 11:09:32,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 11:09:32,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 11:09:32,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 11:09:32,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 11:09:32,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 11:09:32,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 11:09:32,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 11:09:32,623 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 11:09:32,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 11:09:32,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 11:09:32,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 11:09:32,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 11:09:32,626 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 11:09:32,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 11:09:32,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 11:09:32,627 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 11:09:32,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 11:09:32,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 11:09:32,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 11:09:32,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 11:09:32,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 11:09:32,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 11:09:32,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 11:09:32,633 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 11:09:32,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 11:09:32,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 11:09:32,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 11:09:32,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 11:09:32,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 11:09:32,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 11:09:32,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:09:32,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 11:09:32,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 11:09:32,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 11:09:32,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 11:09:32,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 11:09:32,646 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 11:09:32,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 11:09:32,646 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 11:09:32,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 11:09:32,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c25fdf54b6f541c81bd34c83e620d33eb23d78f7c7642cf05a1f51f35a823e8e [2024-11-22 11:09:32,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 11:09:32,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 11:09:32,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 11:09:32,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 11:09:32,926 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 11:09:32,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i [2024-11-22 11:09:34,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 11:09:34,675 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 11:09:34,676 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i [2024-11-22 11:09:34,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41556742f/792ee5461e5343bbb6b9d4b9824169b2/FLAGe5f8150ed [2024-11-22 11:09:34,706 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41556742f/792ee5461e5343bbb6b9d4b9824169b2 [2024-11-22 11:09:34,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 11:09:34,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 11:09:34,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 11:09:34,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 11:09:34,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 11:09:34,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:34" (1/1) ... [2024-11-22 11:09:34,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e45d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34, skipping insertion in model container [2024-11-22 11:09:34,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:34" (1/1) ... [2024-11-22 11:09:34,755 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 11:09:34,948 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i[914,927] [2024-11-22 11:09:35,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:09:35,033 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 11:09:35,046 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i[914,927] [2024-11-22 11:09:35,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:09:35,100 INFO L204 MainTranslator]: Completed translation [2024-11-22 11:09:35,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35 WrapperNode [2024-11-22 11:09:35,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 11:09:35,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 11:09:35,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 11:09:35,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 11:09:35,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,148 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-22 11:09:35,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 11:09:35,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 11:09:35,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 11:09:35,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 11:09:35,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,166 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,191 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]. [2024-11-22 11:09:35,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 11:09:35,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 11:09:35,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 11:09:35,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 11:09:35,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (1/1) ... [2024-11-22 11:09:35,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:09:35,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:09:35,259 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) [2024-11-22 11:09:35,262 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 [2024-11-22 11:09:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 11:09:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 11:09:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 11:09:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 11:09:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 11:09:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 11:09:35,389 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 11:09:35,393 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 11:09:35,732 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-22 11:09:35,732 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 11:09:35,754 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 11:09:35,754 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 11:09:35,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:35 BoogieIcfgContainer [2024-11-22 11:09:35,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 11:09:35,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 11:09:35,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 11:09:35,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 11:09:35,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:09:34" (1/3) ... [2024-11-22 11:09:35,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cf6298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:09:35, skipping insertion in model container [2024-11-22 11:09:35,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:35" (2/3) ... [2024-11-22 11:09:35,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cf6298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:09:35, skipping insertion in model container [2024-11-22 11:09:35,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:35" (3/3) ... [2024-11-22 11:09:35,765 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-0.i [2024-11-22 11:09:35,783 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 11:09:35,783 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 11:09:35,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 11:09:35,854 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;@5d71031d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 11:09:35,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 11:09:35,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 11:09:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 11:09:35,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:09:35,869 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:09:35,870 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:09:35,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:09:35,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1208853053, now seen corresponding path program 1 times [2024-11-22 11:09:35,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 11:09:35,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400052648] [2024-11-22 11:09:35,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:09:35,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 11:09:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:09:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-22 11:09:36,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 11:09:36,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400052648] [2024-11-22 11:09:36,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400052648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 11:09:36,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927641356] [2024-11-22 11:09:36,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:09:36,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 11:09:36,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:09:36,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 11:09:36,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 11:09:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:09:36,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 11:09:36,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:09:36,415 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-22 11:09:36,416 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 11:09:36,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927641356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 11:09:36,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 11:09:36,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 11:09:36,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200734956] [2024-11-22 11:09:36,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 11:09:36,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 11:09:36,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 11:09:36,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 11:09:36,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 11:09:36,455 INFO L87 Difference]: Start difference. First operand has 48 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 11:09:36,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:09:36,485 INFO L93 Difference]: Finished difference Result 89 states and 139 transitions. [2024-11-22 11:09:36,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 11:09:36,487 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2024-11-22 11:09:36,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:09:36,496 INFO L225 Difference]: With dead ends: 89 [2024-11-22 11:09:36,496 INFO L226 Difference]: Without dead ends: 44 [2024-11-22 11:09:36,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 11:09:36,506 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 11:09:36,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 11:09:36,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-22 11:09:36,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-22 11:09:36,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 11:09:36,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 61 transitions. [2024-11-22 11:09:36,557 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 61 transitions. Word has length 72 [2024-11-22 11:09:36,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:09:36,558 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 61 transitions. [2024-11-22 11:09:36,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 11:09:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2024-11-22 11:09:36,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 11:09:36,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:09:36,562 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:09:36,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 11:09:36,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 11:09:36,765 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:09:36,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:09:36,766 INFO L85 PathProgramCache]: Analyzing trace with hash 54656829, now seen corresponding path program 1 times [2024-11-22 11:09:36,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 11:09:36,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080035395] [2024-11-22 11:09:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:09:36,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 11:09:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:09:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 11:09:37,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 11:09:37,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080035395] [2024-11-22 11:09:37,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080035395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 11:09:37,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 11:09:37,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 11:09:37,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665128862] [2024-11-22 11:09:37,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 11:09:37,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 11:09:37,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 11:09:37,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 11:09:37,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 11:09:37,443 INFO L87 Difference]: Start difference. First operand 44 states and 61 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 11:09:37,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:09:37,584 INFO L93 Difference]: Finished difference Result 140 states and 195 transitions. [2024-11-22 11:09:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 11:09:37,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 72 [2024-11-22 11:09:37,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:09:37,587 INFO L225 Difference]: With dead ends: 140 [2024-11-22 11:09:37,587 INFO L226 Difference]: Without dead ends: 99 [2024-11-22 11:09:37,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 11:09:37,589 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 78 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 11:09:37,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 170 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 11:09:37,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-22 11:09:37,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 83. [2024-11-22 11:09:37,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 62 states have internal predecessors, (81), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 11:09:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2024-11-22 11:09:37,618 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 72 [2024-11-22 11:09:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:09:37,620 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2024-11-22 11:09:37,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 11:09:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-11-22 11:09:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 11:09:37,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:09:37,622 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:09:37,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 11:09:37,623 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:09:37,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:09:37,624 INFO L85 PathProgramCache]: Analyzing trace with hash -966411525, now seen corresponding path program 1 times [2024-11-22 11:09:37,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 11:09:37,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173593020] [2024-11-22 11:09:37,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:09:37,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 11:09:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 11:09:37,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 11:09:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 11:09:37,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 11:09:37,937 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 11:09:37,938 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 11:09:37,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 11:09:37,945 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-22 11:09:38,031 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 11:09:38,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:09:38 BoogieIcfgContainer [2024-11-22 11:09:38,043 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 11:09:38,044 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 11:09:38,044 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 11:09:38,045 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 11:09:38,045 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:35" (3/4) ... [2024-11-22 11:09:38,049 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 11:09:38,050 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 11:09:38,052 INFO L158 Benchmark]: Toolchain (without parser) took 3340.89ms. Allocated memory was 165.7MB in the beginning and 230.7MB in the end (delta: 65.0MB). Free memory was 108.3MB in the beginning and 173.2MB in the end (delta: -64.9MB). Peak memory consumption was 594.9kB. Max. memory is 16.1GB. [2024-11-22 11:09:38,056 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:09:38,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.37ms. Allocated memory is still 165.7MB. Free memory was 108.3MB in the beginning and 93.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 11:09:38,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.00ms. Allocated memory is still 165.7MB. Free memory was 93.6MB in the beginning and 91.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 11:09:38,057 INFO L158 Benchmark]: Boogie Preprocessor took 68.28ms. Allocated memory is still 165.7MB. Free memory was 91.2MB in the beginning and 88.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 11:09:38,058 INFO L158 Benchmark]: RCFGBuilder took 536.79ms. Allocated memory is still 165.7MB. Free memory was 88.1MB in the beginning and 71.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 11:09:38,058 INFO L158 Benchmark]: TraceAbstraction took 2286.19ms. Allocated memory was 165.7MB in the beginning and 230.7MB in the end (delta: 65.0MB). Free memory was 70.2MB in the beginning and 173.2MB in the end (delta: -103.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:09:38,058 INFO L158 Benchmark]: Witness Printer took 7.01ms. Allocated memory is still 230.7MB. Free memory is still 173.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:09:38,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.37ms. Allocated memory is still 165.7MB. Free memory was 108.3MB in the beginning and 93.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.00ms. Allocated memory is still 165.7MB. Free memory was 93.6MB in the beginning and 91.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.28ms. Allocated memory is still 165.7MB. Free memory was 91.2MB in the beginning and 88.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 536.79ms. Allocated memory is still 165.7MB. Free memory was 88.1MB in the beginning and 71.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2286.19ms. Allocated memory was 165.7MB in the beginning and 230.7MB in the end (delta: 65.0MB). Free memory was 70.2MB in the beginning and 173.2MB in the end (delta: -103.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.01ms. Allocated memory is still 230.7MB. Free memory is still 173.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 112. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] signed long int var_1_5 = 2; [L24] signed short int var_1_6 = -10; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned long int var_1_9 = 3470417420; [L28] unsigned char var_1_10 = 0; [L29] double var_1_12 = 25.6; [L30] double var_1_13 = 1.75; [L31] float var_1_14 = 5.4; [L32] float var_1_15 = 127.5; [L33] float var_1_16 = 3.5; [L34] signed long int var_1_17 = 64; [L35] signed long int last_1_var_1_1 = 0; [L36] signed long int last_1_var_1_5 = 2; [L37] signed short int last_1_var_1_6 = -10; [L38] unsigned long int last_1_var_1_7 = 1; [L39] float last_1_var_1_14 = 5.4; [L40] signed long int last_1_var_1_17 = 64; VAL [isInitial=0, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] CALL updateLastVariables() [L104] last_1_var_1_1 = var_1_1 [L105] last_1_var_1_5 = var_1_5 [L106] last_1_var_1_6 = var_1_6 [L107] last_1_var_1_7 = var_1_7 [L108] last_1_var_1_14 = var_1_14 [L109] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L119] RET updateLastVariables() [L120] CALL updateVariables() [L87] var_1_9 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L88] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L89] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L89] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L90] var_1_10 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L91] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L92] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L92] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L93] var_1_12 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L94] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L95] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L95] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L96] var_1_13 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L97] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L98] var_1_15 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L99] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L100] var_1_16 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L101] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L120] RET updateVariables() [L121] CALL step() [L44] COND FALSE !(last_1_var_1_7 > (- last_1_var_1_5)) [L47] var_1_1 = (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16))) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L49] COND TRUE ((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16))) [L50] var_1_17 = ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L54] signed long int stepLocal_1 = - last_1_var_1_1; VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_1=0, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L55] COND FALSE !(last_1_var_1_17 < stepLocal_1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L58] signed long int stepLocal_3 = var_1_1; [L59] signed long int stepLocal_2 = var_1_17; VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_2=0, stepLocal_3=0, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L60] COND FALSE !(var_1_17 > stepLocal_2) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L65] unsigned long int stepLocal_5 = var_1_9; VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, stepLocal_5=4294967286, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L66] COND FALSE !((var_1_12 * last_1_var_1_14) > var_1_13) [L73] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, stepLocal_5=4294967286, var_1_10=1, var_1_14=4294967301, var_1_16=4294967301, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L75] signed long int stepLocal_0 = var_1_17; VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_0=0, stepLocal_3=0, stepLocal_5=4294967286, var_1_10=1, var_1_14=4294967301, var_1_16=4294967301, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L76] COND TRUE var_1_6 < stepLocal_0 [L77] var_1_5 = ((var_1_17 - var_1_6) + var_1_6) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, stepLocal_5=4294967286, var_1_10=1, var_1_14=4294967301, var_1_16=4294967301, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L79] unsigned long int stepLocal_4 = var_1_9 - var_1_6; VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, stepLocal_4=4294967296, stepLocal_5=4294967286, var_1_10=1, var_1_14=4294967301, var_1_16=4294967301, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L80] COND TRUE (- 8u) >= stepLocal_4 [L81] var_1_8 = (! var_1_10) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, stepLocal_5=4294967286, var_1_10=1, var_1_14=4294967301, var_1_16=4294967301, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L121] RET step() [L122] CALL, EXPR property() [L112-L113] return (((((((last_1_var_1_7 > (- last_1_var_1_5)) ? (var_1_1 == ((signed long int) ((((last_1_var_1_5) > ((last_1_var_1_7 + last_1_var_1_6))) ? (last_1_var_1_5) : ((last_1_var_1_7 + last_1_var_1_6)))))) : (var_1_1 == ((signed long int) (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16)))))) && ((var_1_6 < var_1_17) ? (var_1_5 == ((signed long int) ((var_1_17 - var_1_6) + var_1_6))) : 1)) && ((last_1_var_1_17 < (- last_1_var_1_1)) ? (var_1_6 == ((signed short int) (32 - last_1_var_1_6))) : 1)) && ((var_1_17 > var_1_17) ? ((var_1_6 <= var_1_1) ? (var_1_7 == ((unsigned long int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_6)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_14 / var_1_12) >= var_1_14) || var_1_10))))) && (((var_1_12 * last_1_var_1_14) > var_1_13) ? ((var_1_9 < var_1_7) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))))) : (var_1_17 == ((signed long int) last_1_var_1_6))) ; VAL [\result=0, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=4294967301, var_1_16=4294967301, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=4294967301, var_1_16=4294967301, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=4294967301, var_1_16=4294967301, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 231 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 125 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 206 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 416/432 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 [2024-11-22 11:09:38,094 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.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 c25fdf54b6f541c81bd34c83e620d33eb23d78f7c7642cf05a1f51f35a823e8e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 11:09:40,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 11:09:40,407 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 11:09:40,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 11:09:40,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 11:09:40,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 11:09:40,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 11:09:40,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 11:09:40,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 11:09:40,452 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 11:09:40,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 11:09:40,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 11:09:40,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 11:09:40,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 11:09:40,455 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 11:09:40,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 11:09:40,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 11:09:40,456 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 11:09:40,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 11:09:40,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 11:09:40,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 11:09:40,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 11:09:40,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 11:09:40,462 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 11:09:40,462 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 11:09:40,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 11:09:40,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 11:09:40,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 11:09:40,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 11:09:40,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 11:09:40,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 11:09:40,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 11:09:40,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 11:09:40,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 11:09:40,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:09:40,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 11:09:40,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 11:09:40,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 11:09:40,465 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 11:09:40,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 11:09:40,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 11:09:40,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 11:09:40,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 11:09:40,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 11:09:40,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c25fdf54b6f541c81bd34c83e620d33eb23d78f7c7642cf05a1f51f35a823e8e [2024-11-22 11:09:40,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 11:09:40,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 11:09:40,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 11:09:40,834 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 11:09:40,835 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 11:09:40,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i [2024-11-22 11:09:42,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 11:09:42,587 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 11:09:42,588 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i [2024-11-22 11:09:42,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cacf64304/975a81ddb9fa4962ae5b8387aaf5cd44/FLAGaa1be7acb [2024-11-22 11:09:42,625 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cacf64304/975a81ddb9fa4962ae5b8387aaf5cd44 [2024-11-22 11:09:42,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 11:09:42,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 11:09:42,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 11:09:42,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 11:09:42,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 11:09:42,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:42" (1/1) ... [2024-11-22 11:09:42,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187f3170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:42, skipping insertion in model container [2024-11-22 11:09:42,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:42" (1/1) ... [2024-11-22 11:09:42,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 11:09:42,875 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i[914,927] [2024-11-22 11:09:42,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:09:42,960 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 11:09:42,980 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i[914,927] [2024-11-22 11:09:43,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:09:43,051 INFO L204 MainTranslator]: Completed translation [2024-11-22 11:09:43,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43 WrapperNode [2024-11-22 11:09:43,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 11:09:43,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 11:09:43,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 11:09:43,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 11:09:43,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,114 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-22 11:09:43,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 11:09:43,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 11:09:43,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 11:09:43,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 11:09:43,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,135 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,154 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]. [2024-11-22 11:09:43,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 11:09:43,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 11:09:43,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 11:09:43,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 11:09:43,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (1/1) ... [2024-11-22 11:09:43,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:09:43,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:09:43,227 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) [2024-11-22 11:09:43,229 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 [2024-11-22 11:09:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 11:09:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 11:09:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 11:09:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 11:09:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 11:09:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 11:09:43,349 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 11:09:43,353 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 11:10:07,503 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-22 11:10:07,504 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 11:10:07,515 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 11:10:07,515 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 11:10:07,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:10:07 BoogieIcfgContainer [2024-11-22 11:10:07,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 11:10:07,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 11:10:07,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 11:10:07,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 11:10:07,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:09:42" (1/3) ... [2024-11-22 11:10:07,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa6392f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:10:07, skipping insertion in model container [2024-11-22 11:10:07,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:43" (2/3) ... [2024-11-22 11:10:07,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa6392f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:10:07, skipping insertion in model container [2024-11-22 11:10:07,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:10:07" (3/3) ... [2024-11-22 11:10:07,524 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-0.i [2024-11-22 11:10:07,540 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 11:10:07,540 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 11:10:07,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 11:10:07,630 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;@2c94d9ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 11:10:07,630 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 11:10:07,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 11:10:07,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 11:10:07,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:10:07,648 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:10:07,648 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:10:07,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:10:07,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1208853053, now seen corresponding path program 1 times [2024-11-22 11:10:07,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 11:10:07,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662754768] [2024-11-22 11:10:07,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:10:07,673 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 [2024-11-22 11:10:07,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 11:10:07,676 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) [2024-11-22 11:10:07,678 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 [2024-11-22 11:10:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:10:09,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 11:10:09,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:10:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 11:10:09,309 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 11:10:09,310 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 11:10:09,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662754768] [2024-11-22 11:10:09,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662754768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 11:10:09,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 11:10:09,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 11:10:09,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169475882] [2024-11-22 11:10:09,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 11:10:09,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 11:10:09,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 11:10:09,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 11:10:09,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 11:10:09,342 INFO L87 Difference]: Start difference. First operand has 48 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 11:10:09,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:10:09,369 INFO L93 Difference]: Finished difference Result 89 states and 139 transitions. [2024-11-22 11:10:09,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 11:10:09,373 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2024-11-22 11:10:09,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:10:09,380 INFO L225 Difference]: With dead ends: 89 [2024-11-22 11:10:09,381 INFO L226 Difference]: Without dead ends: 44 [2024-11-22 11:10:09,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 11:10:09,392 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 11:10:09,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 11:10:09,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-22 11:10:09,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-22 11:10:09,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 11:10:09,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 61 transitions. [2024-11-22 11:10:09,440 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 61 transitions. Word has length 72 [2024-11-22 11:10:09,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:10:09,442 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 61 transitions. [2024-11-22 11:10:09,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 11:10:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2024-11-22 11:10:09,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 11:10:09,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:10:09,447 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:10:09,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-22 11:10:09,648 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 [2024-11-22 11:10:09,649 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:10:09,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:10:09,650 INFO L85 PathProgramCache]: Analyzing trace with hash 54656829, now seen corresponding path program 1 times [2024-11-22 11:10:09,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 11:10:09,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197369339] [2024-11-22 11:10:09,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:10:09,651 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 [2024-11-22 11:10:09,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 11:10:09,654 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) [2024-11-22 11:10:09,655 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 [2024-11-22 11:10:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:10:11,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 11:10:11,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:10:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 11:10:18,772 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 11:10:18,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 11:10:18,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197369339] [2024-11-22 11:10:18,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [197369339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 11:10:18,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 11:10:18,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 11:10:18,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585661219] [2024-11-22 11:10:18,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 11:10:18,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 11:10:18,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 11:10:18,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 11:10:18,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 11:10:18,776 INFO L87 Difference]: Start difference. First operand 44 states and 61 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 11:10:24,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 11:10:28,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 11:10:32,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 11:10:37,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 11:10:41,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 11:10:41,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:10:41,165 INFO L93 Difference]: Finished difference Result 140 states and 195 transitions. [2024-11-22 11:10:41,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 11:10:41,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 72 [2024-11-22 11:10:41,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:10:41,416 INFO L225 Difference]: With dead ends: 140 [2024-11-22 11:10:41,416 INFO L226 Difference]: Without dead ends: 99 [2024-11-22 11:10:41,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 11:10:41,418 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 75 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 19 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2024-11-22 11:10:41,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 171 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 12 Invalid, 5 Unknown, 0 Unchecked, 22.1s Time] [2024-11-22 11:10:41,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-22 11:10:41,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 83. [2024-11-22 11:10:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 62 states have internal predecessors, (81), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 11:10:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2024-11-22 11:10:41,445 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 72 [2024-11-22 11:10:41,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:10:41,447 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2024-11-22 11:10:41,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 11:10:41,447 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-11-22 11:10:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 11:10:41,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:10:41,451 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:10:41,496 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 [2024-11-22 11:10:41,651 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 [2024-11-22 11:10:41,652 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:10:41,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:10:41,653 INFO L85 PathProgramCache]: Analyzing trace with hash -966411525, now seen corresponding path program 1 times [2024-11-22 11:10:41,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 11:10:41,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028331768] [2024-11-22 11:10:41,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:10:41,654 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 [2024-11-22 11:10:41,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 11:10:41,657 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) [2024-11-22 11:10:41,659 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 [2024-11-22 11:10:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:10:43,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-22 11:10:43,103 INFO L278 TraceCheckSpWp]: Computing forward predicates...