./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.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 192fd2fa21417aa09ed325872128b5046e8cfebc6357a29362e62278761c25b9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:38:13,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:38:13,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 06:38:13,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:38:13,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:38:13,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:38:13,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:38:13,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:38:13,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:38:13,262 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:38:13,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:38:13,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:38:13,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:38:13,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:38:13,267 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:38:13,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:38:13,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:38:13,268 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:38:13,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 06:38:13,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:38:13,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:38:13,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:38:13,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:38:13,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:38:13,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:38:13,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:38:13,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:38:13,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:38:13,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:38:13,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:38:13,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:38:13,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:38:13,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:38:13,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:38:13,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:38:13,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:38:13,277 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 06:38:13,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 06:38:13,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:38:13,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:38:13,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:38:13,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:38:13,279 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 192fd2fa21417aa09ed325872128b5046e8cfebc6357a29362e62278761c25b9 [2024-11-20 06:38:13,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:38:13,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:38:13,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:38:13,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:38:13,559 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:38:13,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i [2024-11-20 06:38:15,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:38:15,262 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:38:15,263 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i [2024-11-20 06:38:15,272 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/334710b04/6da16bb7e4474988a941596910c7810e/FLAG5f5bd3b91 [2024-11-20 06:38:15,286 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/334710b04/6da16bb7e4474988a941596910c7810e [2024-11-20 06:38:15,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:38:15,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:38:15,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:38:15,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:38:15,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:38:15,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d895920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15, skipping insertion in model container [2024-11-20 06:38:15,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:38:15,512 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i[915,928] [2024-11-20 06:38:15,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:38:15,598 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:38:15,610 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i[915,928] [2024-11-20 06:38:15,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:38:15,694 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:38:15,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15 WrapperNode [2024-11-20 06:38:15,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:38:15,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:38:15,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:38:15,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:38:15,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,760 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-20 06:38:15,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:38:15,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:38:15,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:38:15,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:38:15,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,775 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,797 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]. [2024-11-20 06:38:15,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:38:15,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:38:15,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:38:15,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:38:15,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (1/1) ... [2024-11-20 06:38:15,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:38:15,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:38:15,870 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) [2024-11-20 06:38:15,877 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 [2024-11-20 06:38:15,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:38:15,924 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:38:15,924 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:38:15,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 06:38:15,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:38:15,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:38:16,003 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:38:16,006 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:38:16,214 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-20 06:38:16,215 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:38:16,226 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:38:16,229 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:38:16,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:38:16 BoogieIcfgContainer [2024-11-20 06:38:16,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:38:16,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:38:16,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:38:16,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:38:16,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:38:15" (1/3) ... [2024-11-20 06:38:16,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4024c208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:38:16, skipping insertion in model container [2024-11-20 06:38:16,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:15" (2/3) ... [2024-11-20 06:38:16,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4024c208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:38:16, skipping insertion in model container [2024-11-20 06:38:16,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:38:16" (3/3) ... [2024-11-20 06:38:16,239 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-74.i [2024-11-20 06:38:16,260 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:38:16,261 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:38:16,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:38:16,328 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;@3d527f6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:38:16,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:38:16,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 06:38:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-20 06:38:16,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:38:16,342 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:38:16,342 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:38:16,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:38:16,347 INFO L85 PathProgramCache]: Analyzing trace with hash 571409010, now seen corresponding path program 1 times [2024-11-20 06:38:16,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:38:16,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810350084] [2024-11-20 06:38:16,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:38:16,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:38:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:38:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:38:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:38:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 06:38:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 06:38:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 06:38:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 06:38:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 06:38:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 06:38:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 06:38:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 06:38:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:38:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 06:38:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 06:38:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 06:38:16,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:38:16,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810350084] [2024-11-20 06:38:16,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810350084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:38:16,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:38:16,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:38:16,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301226248] [2024-11-20 06:38:16,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:38:16,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:38:16,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:38:16,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:38:16,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:38:16,731 INFO L87 Difference]: Start difference. First operand has 52 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 06:38:16,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:38:16,756 INFO L93 Difference]: Finished difference Result 101 states and 159 transitions. [2024-11-20 06:38:16,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:38:16,758 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2024-11-20 06:38:16,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:38:16,781 INFO L225 Difference]: With dead ends: 101 [2024-11-20 06:38:16,782 INFO L226 Difference]: Without dead ends: 48 [2024-11-20 06:38:16,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:38:16,789 INFO L432 NwaCegarLoop]: 71 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, 71 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 [2024-11-20 06:38:16,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:38:16,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-20 06:38:16,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-20 06:38:16,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 06:38:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2024-11-20 06:38:16,871 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 95 [2024-11-20 06:38:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:38:16,875 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2024-11-20 06:38:16,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 06:38:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-11-20 06:38:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-20 06:38:16,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:38:16,883 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:38:16,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 06:38:16,884 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:38:16,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:38:16,886 INFO L85 PathProgramCache]: Analyzing trace with hash -588451738, now seen corresponding path program 1 times [2024-11-20 06:38:16,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:38:16,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789556728] [2024-11-20 06:38:16,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:38:16,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:38:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 06:38:17,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 06:38:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 06:38:17,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 06:38:17,316 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 06:38:17,319 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 06:38:17,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 06:38:17,325 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-20 06:38:17,413 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 06:38:17,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:38:17 BoogieIcfgContainer [2024-11-20 06:38:17,420 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 06:38:17,421 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 06:38:17,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 06:38:17,422 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 06:38:17,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:38:16" (3/4) ... [2024-11-20 06:38:17,425 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 06:38:17,426 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 06:38:17,427 INFO L158 Benchmark]: Toolchain (without parser) took 2135.17ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 88.6MB in the beginning and 148.3MB in the end (delta: -59.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 06:38:17,428 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 112.4MB in the end (delta: 139.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 06:38:17,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.61ms. Allocated memory is still 159.4MB. Free memory was 88.5MB in the beginning and 128.3MB in the end (delta: -39.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-20 06:38:17,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.68ms. Allocated memory is still 159.4MB. Free memory was 128.3MB in the beginning and 129.9MB in the end (delta: -1.6MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-11-20 06:38:17,430 INFO L158 Benchmark]: Boogie Preprocessor took 53.07ms. Allocated memory is still 159.4MB. Free memory was 129.9MB in the beginning and 126.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 06:38:17,431 INFO L158 Benchmark]: RCFGBuilder took 415.16ms. Allocated memory is still 159.4MB. Free memory was 126.9MB in the beginning and 112.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 06:38:17,431 INFO L158 Benchmark]: TraceAbstraction took 1188.06ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 111.3MB in the beginning and 148.3MB in the end (delta: -37.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-20 06:38:17,432 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 211.8MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 06:38:17,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 112.4MB in the end (delta: 139.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.61ms. Allocated memory is still 159.4MB. Free memory was 88.5MB in the beginning and 128.3MB in the end (delta: -39.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.68ms. Allocated memory is still 159.4MB. Free memory was 128.3MB in the beginning and 129.9MB in the end (delta: -1.6MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.07ms. Allocated memory is still 159.4MB. Free memory was 129.9MB in the beginning and 126.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 415.16ms. Allocated memory is still 159.4MB. Free memory was 126.9MB in the beginning and 112.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1188.06ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 111.3MB in the beginning and 148.3MB in the end (delta: -37.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 211.8MB. Free memory is still 148.3MB. 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 93, overapproximation of someBinaryFLOATComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 25; [L23] double var_1_2 = 63.25; [L24] double var_1_3 = 3.779; [L25] double var_1_4 = 31.6; [L26] double var_1_5 = 100.5; [L27] unsigned long int var_1_6 = 64; [L28] unsigned long int var_1_7 = 3150951169; [L29] unsigned long int var_1_8 = 128; [L30] unsigned char var_1_9 = 0; [L31] signed short int var_1_10 = -16; [L32] float var_1_11 = 127.075; [L33] float var_1_12 = 1.2; [L34] signed short int var_1_16 = 4; [L35] signed short int var_1_18 = -64; [L36] signed char var_1_19 = -32; VAL [isInitial=0, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_2=253/4, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L97] isInitial = 1 [L98] FCALL initially() [L99] int k_loop; [L100] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_2=253/4, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L100] COND TRUE k_loop < 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_double() [L66] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L66] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L67] var_1_3 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L68] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L69] var_1_4 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L70] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L71] var_1_5 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L72] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L73] var_1_6 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L74] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L75] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L75] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L76] var_1_7 = __VERIFIER_nondet_ulong() [L77] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=128, var_1_9=0] [L77] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=128, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_7 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=128, var_1_9=0] [L78] RET assume_abort_if_not(var_1_7 <= 4294967294) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=128, var_1_9=0] [L79] var_1_8 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_9=0] [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=0] [L81] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=0] [L82] var_1_9 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649] [L83] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649] [L84] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L84] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L85] var_1_11 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L86] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L87] var_1_12 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L88] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L102] RET updateVariables() [L103] CALL step() [L40] COND TRUE ((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5 [L41] var_1_1 = ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))) VAL [isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=-8589934591, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L49] var_1_19 = -2 VAL [isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-2, var_1_1=-8589934591, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L50] COND TRUE \read(var_1_9) VAL [isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-2, var_1_1=-8589934591, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L51] COND TRUE 255.5f != (var_1_11 - var_1_12) [L52] var_1_10 = ((((((((var_1_19) > (var_1_19)) ? (var_1_19) : (var_1_19)))) > (var_1_19)) ? (((((var_1_19) > (var_1_19)) ? (var_1_19) : (var_1_19)))) : (var_1_19))) VAL [isInitial=1, var_1_10=-2, var_1_16=4, var_1_18=-64, var_1_19=-2, var_1_1=-8589934591, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L59] COND TRUE \read(var_1_9) [L60] var_1_16 = ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) VAL [isInitial=1, var_1_10=-2, var_1_16=2, var_1_18=-64, var_1_19=-2, var_1_1=-8589934591, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L62] var_1_18 = var_1_19 VAL [isInitial=1, var_1_10=-2, var_1_16=2, var_1_18=-2, var_1_19=-2, var_1_1=-8589934591, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L103] RET step() [L104] CALL, EXPR property() [L93-L94] return (((((((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5) ? (var_1_1 == ((unsigned long int) ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))))) : (var_1_9 ? (var_1_1 == ((unsigned long int) var_1_7)) : (var_1_1 == ((unsigned long int) var_1_6)))) && (var_1_9 ? ((255.5f != (var_1_11 - var_1_12)) ? (var_1_10 == ((signed short int) ((((((((var_1_19) > (var_1_19)) ? (var_1_19) : (var_1_19)))) > (var_1_19)) ? (((((var_1_19) > (var_1_19)) ? (var_1_19) : (var_1_19)))) : (var_1_19))))) : 1) : ((var_1_4 <= var_1_3) ? (var_1_10 == ((signed short int) var_1_19)) : 1))) && (var_1_9 ? (var_1_16 == ((signed short int) ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) : 1)) && (var_1_18 == ((signed short int) var_1_19))) && (var_1_19 == ((signed char) -2)) ; VAL [\result=0, isInitial=1, var_1_10=-2, var_1_16=2, var_1_18=-2, var_1_19=-2, var_1_1=-8589934591, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-2, var_1_16=2, var_1_18=-2, var_1_19=-2, var_1_1=-8589934591, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=-2, var_1_16=2, var_1_18=-2, var_1_19=-2, var_1_1=-8589934591, var_1_6=-8589934591, var_1_7=-6442450945, var_1_8=-2147483649, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 71 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 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 [2024-11-20 06:38:17,468 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.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 192fd2fa21417aa09ed325872128b5046e8cfebc6357a29362e62278761c25b9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:38:19,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:38:19,898 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-20 06:38:19,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:38:19,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:38:19,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:38:19,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:38:19,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:38:19,941 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:38:19,942 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:38:19,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:38:19,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:38:19,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:38:19,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:38:19,946 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:38:19,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:38:19,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:38:19,947 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:38:19,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:38:19,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:38:19,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:38:19,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:38:19,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:38:19,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 06:38:19,953 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 06:38:19,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:38:19,953 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 06:38:19,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:38:19,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:38:19,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:38:19,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:38:19,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:38:19,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:38:19,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:38:19,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:38:19,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:38:19,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:38:19,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:38:19,958 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 06:38:19,959 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 06:38:19,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:38:19,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:38:19,960 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:38:19,960 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:38:19,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 192fd2fa21417aa09ed325872128b5046e8cfebc6357a29362e62278761c25b9 [2024-11-20 06:38:20,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:38:20,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:38:20,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:38:20,346 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:38:20,346 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:38:20,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i [2024-11-20 06:38:21,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:38:22,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:38:22,227 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i [2024-11-20 06:38:22,244 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baba887ff/14e3c08a0dd74924abdd48c7f3a7dbc3/FLAG16c996652 [2024-11-20 06:38:22,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baba887ff/14e3c08a0dd74924abdd48c7f3a7dbc3 [2024-11-20 06:38:22,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:38:22,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:38:22,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:38:22,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:38:22,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:38:22,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2040e251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22, skipping insertion in model container [2024-11-20 06:38:22,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:38:22,502 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i[915,928] [2024-11-20 06:38:22,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:38:22,589 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:38:22,605 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i[915,928] [2024-11-20 06:38:22,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:38:22,672 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:38:22,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22 WrapperNode [2024-11-20 06:38:22,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:38:22,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:38:22,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:38:22,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:38:22,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,725 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-20 06:38:22,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:38:22,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:38:22,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:38:22,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:38:22,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,751 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,773 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]. [2024-11-20 06:38:22,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:38:22,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:38:22,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:38:22,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:38:22,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (1/1) ... [2024-11-20 06:38:22,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:38:22,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:38:22,851 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) [2024-11-20 06:38:22,854 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 [2024-11-20 06:38:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:38:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 06:38:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:38:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:38:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:38:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:38:22,984 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:38:22,988 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:38:23,654 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-20 06:38:23,655 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:38:23,675 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:38:23,675 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:38:23,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:38:23 BoogieIcfgContainer [2024-11-20 06:38:23,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:38:23,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:38:23,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:38:23,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:38:23,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:38:22" (1/3) ... [2024-11-20 06:38:23,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f985590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:38:23, skipping insertion in model container [2024-11-20 06:38:23,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:22" (2/3) ... [2024-11-20 06:38:23,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f985590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:38:23, skipping insertion in model container [2024-11-20 06:38:23,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:38:23" (3/3) ... [2024-11-20 06:38:23,686 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-74.i [2024-11-20 06:38:23,705 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:38:23,705 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:38:23,776 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:38:23,783 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;@40bc5de0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:38:23,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:38:23,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 06:38:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-20 06:38:23,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:38:23,801 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:38:23,801 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:38:23,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:38:23,807 INFO L85 PathProgramCache]: Analyzing trace with hash 571409010, now seen corresponding path program 1 times [2024-11-20 06:38:23,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 06:38:23,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192440228] [2024-11-20 06:38:23,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:38:23,824 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 [2024-11-20 06:38:23,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 06:38:23,828 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) [2024-11-20 06:38:23,829 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 [2024-11-20 06:38:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:24,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 06:38:24,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:38:24,172 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-20 06:38:24,173 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 06:38:24,174 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 06:38:24,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192440228] [2024-11-20 06:38:24,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192440228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:38:24,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:38:24,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:38:24,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391902751] [2024-11-20 06:38:24,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:38:24,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:38:24,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 06:38:24,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:38:24,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:38:24,210 INFO L87 Difference]: Start difference. First operand has 52 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 06:38:24,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:38:24,239 INFO L93 Difference]: Finished difference Result 101 states and 159 transitions. [2024-11-20 06:38:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:38:24,241 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2024-11-20 06:38:24,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:38:24,248 INFO L225 Difference]: With dead ends: 101 [2024-11-20 06:38:24,249 INFO L226 Difference]: Without dead ends: 48 [2024-11-20 06:38:24,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:38:24,255 INFO L432 NwaCegarLoop]: 71 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, 71 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 [2024-11-20 06:38:24,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:38:24,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-20 06:38:24,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-20 06:38:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 06:38:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2024-11-20 06:38:24,310 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 95 [2024-11-20 06:38:24,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:38:24,310 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2024-11-20 06:38:24,313 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 06:38:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-11-20 06:38:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-20 06:38:24,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:38:24,318 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:38:24,328 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 [2024-11-20 06:38:24,521 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 [2024-11-20 06:38:24,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:38:24,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:38:24,524 INFO L85 PathProgramCache]: Analyzing trace with hash -588451738, now seen corresponding path program 1 times [2024-11-20 06:38:24,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 06:38:24,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512600394] [2024-11-20 06:38:24,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:38:24,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 06:38:24,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 06:38:24,528 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) [2024-11-20 06:38:24,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 06:38:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:38:24,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 06:38:24,785 INFO L278 TraceCheckSpWp]: Computing forward predicates...