./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.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 4e4821e04b31b9aaf394b8b78c510bc3814de3cef2581931733142dfd333ca56 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 22:47:51,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 22:47:51,402 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 22:47:51,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 22:47:51,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 22:47:51,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 22:47:51,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 22:47:51,435 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 22:47:51,436 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 22:47:51,436 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 22:47:51,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 22:47:51,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 22:47:51,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 22:47:51,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 22:47:51,438 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 22:47:51,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 22:47:51,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 22:47:51,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 22:47:51,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 22:47:51,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 22:47:51,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 22:47:51,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 22:47:51,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 22:47:51,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 22:47:51,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 22:47:51,444 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 22:47:51,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 22:47:51,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 22:47:51,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 22:47:51,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 22:47:51,446 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 22:47:51,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 22:47:51,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:47:51,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 22:47:51,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 22:47:51,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 22:47:51,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 22:47:51,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 22:47:51,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 22:47:51,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 22:47:51,448 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 22:47:51,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 22:47:51,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4821e04b31b9aaf394b8b78c510bc3814de3cef2581931733142dfd333ca56 [2024-11-18 22:47:51,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 22:47:51,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 22:47:51,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 22:47:51,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 22:47:51,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 22:47:51,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i [2024-11-18 22:47:53,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 22:47:53,471 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 22:47:53,474 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i [2024-11-18 22:47:53,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946975595/83f6f405c7254fa0947563bfb479362c/FLAG7a052a3c6 [2024-11-18 22:47:53,856 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946975595/83f6f405c7254fa0947563bfb479362c [2024-11-18 22:47:53,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 22:47:53,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 22:47:53,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 22:47:53,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 22:47:53,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 22:47:53,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:47:53" (1/1) ... [2024-11-18 22:47:53,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1b7326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:53, skipping insertion in model container [2024-11-18 22:47:53,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:47:53" (1/1) ... [2024-11-18 22:47:53,897 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 22:47:54,070 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-72.i[915,928] [2024-11-18 22:47:54,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:47:54,165 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 22:47:54,180 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-72.i[915,928] [2024-11-18 22:47:54,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:47:54,243 INFO L204 MainTranslator]: Completed translation [2024-11-18 22:47:54,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54 WrapperNode [2024-11-18 22:47:54,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 22:47:54,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 22:47:54,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 22:47:54,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 22:47:54,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,303 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2024-11-18 22:47:54,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 22:47:54,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 22:47:54,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 22:47:54,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 22:47:54,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,321 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,336 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]. [2024-11-18 22:47:54,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 22:47:54,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 22:47:54,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 22:47:54,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 22:47:54,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (1/1) ... [2024-11-18 22:47:54,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:47:54,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:47:54,408 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) [2024-11-18 22:47:54,411 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 [2024-11-18 22:47:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 22:47:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 22:47:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 22:47:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 22:47:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 22:47:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 22:47:54,552 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 22:47:54,555 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 22:47:54,922 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-18 22:47:54,922 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 22:47:54,934 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 22:47:54,935 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 22:47:54,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:47:54 BoogieIcfgContainer [2024-11-18 22:47:54,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 22:47:54,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 22:47:54,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 22:47:54,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 22:47:54,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:47:53" (1/3) ... [2024-11-18 22:47:54,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d171dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:47:54, skipping insertion in model container [2024-11-18 22:47:54,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:54" (2/3) ... [2024-11-18 22:47:54,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d171dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:47:54, skipping insertion in model container [2024-11-18 22:47:54,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:47:54" (3/3) ... [2024-11-18 22:47:54,947 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-72.i [2024-11-18 22:47:54,966 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 22:47:54,966 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 22:47:55,029 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 22:47:55,035 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;@199f42af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 22:47:55,036 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 22:47:55,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 38 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 22:47:55,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-18 22:47:55,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:47:55,052 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:47:55,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:47:55,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:47:55,058 INFO L85 PathProgramCache]: Analyzing trace with hash -149346395, now seen corresponding path program 1 times [2024-11-18 22:47:55,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:47:55,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050711477] [2024-11-18 22:47:55,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:47:55,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:47:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:47:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-18 22:47:55,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 22:47:55,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050711477] [2024-11-18 22:47:55,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050711477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 22:47:55,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359105152] [2024-11-18 22:47:55,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:47:55,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:47:55,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:47:55,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 22:47:55,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 22:47:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:47:55,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 22:47:55,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:47:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-18 22:47:55,649 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 22:47:55,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359105152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:47:55,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 22:47:55,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 22:47:55,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103176910] [2024-11-18 22:47:55,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:47:55,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 22:47:55,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 22:47:55,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 22:47:55,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:47:55,687 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 38 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 22:47:55,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:47:55,713 INFO L93 Difference]: Finished difference Result 123 states and 204 transitions. [2024-11-18 22:47:55,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 22:47:55,715 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2024-11-18 22:47:55,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:47:55,721 INFO L225 Difference]: With dead ends: 123 [2024-11-18 22:47:55,721 INFO L226 Difference]: Without dead ends: 59 [2024-11-18 22:47:55,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:47:55,727 INFO L432 NwaCegarLoop]: 89 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, 89 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 [2024-11-18 22:47:55,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 22:47:55,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-18 22:47:55,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-18 22:47:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 34 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 22:47:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 85 transitions. [2024-11-18 22:47:55,772 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 85 transitions. Word has length 143 [2024-11-18 22:47:55,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:47:55,772 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 85 transitions. [2024-11-18 22:47:55,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 22:47:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2024-11-18 22:47:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-18 22:47:55,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:47:55,779 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:47:55,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-18 22:47:55,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 22:47:55,981 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:47:55,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:47:55,982 INFO L85 PathProgramCache]: Analyzing trace with hash -403717545, now seen corresponding path program 1 times [2024-11-18 22:47:55,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:47:55,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102705508] [2024-11-18 22:47:55,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:47:55,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:47:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:47:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-18 22:47:56,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 22:47:56,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102705508] [2024-11-18 22:47:56,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102705508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 22:47:56,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997791238] [2024-11-18 22:47:56,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:47:56,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:47:56,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:47:56,634 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 22:47:56,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 22:47:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:47:56,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 22:47:56,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:47:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-18 22:47:56,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 22:47:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-18 22:47:57,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997791238] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 22:47:57,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 22:47:57,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-18 22:47:57,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146939609] [2024-11-18 22:47:57,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 22:47:57,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 22:47:57,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 22:47:57,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 22:47:57,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 22:47:57,271 INFO L87 Difference]: Start difference. First operand 59 states and 85 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-18 22:47:57,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:47:57,506 INFO L93 Difference]: Finished difference Result 123 states and 174 transitions. [2024-11-18 22:47:57,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 22:47:57,506 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 143 [2024-11-18 22:47:57,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:47:57,508 INFO L225 Difference]: With dead ends: 123 [2024-11-18 22:47:57,509 INFO L226 Difference]: Without dead ends: 67 [2024-11-18 22:47:57,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-18 22:47:57,511 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 62 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 22:47:57,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 124 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 22:47:57,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-18 22:47:57,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2024-11-18 22:47:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 37 states have internal predecessors, (41), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 22:47:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2024-11-18 22:47:57,540 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 143 [2024-11-18 22:47:57,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:47:57,541 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2024-11-18 22:47:57,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-18 22:47:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2024-11-18 22:47:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-18 22:47:57,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:47:57,544 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:47:57,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 22:47:57,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-18 22:47:57,746 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:47:57,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:47:57,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1213064171, now seen corresponding path program 1 times [2024-11-18 22:47:57,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:47:57,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532640255] [2024-11-18 22:47:57,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:47:57,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:47:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 22:47:57,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 22:47:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 22:47:57,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 22:47:57,941 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 22:47:57,942 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 22:47:57,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 22:47:57,947 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-18 22:47:58,058 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 22:47:58,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:47:58 BoogieIcfgContainer [2024-11-18 22:47:58,067 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 22:47:58,068 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 22:47:58,068 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 22:47:58,069 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 22:47:58,070 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:47:54" (3/4) ... [2024-11-18 22:47:58,072 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 22:47:58,073 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 22:47:58,074 INFO L158 Benchmark]: Toolchain (without parser) took 4214.28ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 128.8MB in the beginning and 135.1MB in the end (delta: -6.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-18 22:47:58,074 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 22:47:58,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.96ms. Allocated memory is still 163.6MB. Free memory was 128.8MB in the beginning and 114.3MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 22:47:58,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.58ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 111.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 22:47:58,076 INFO L158 Benchmark]: Boogie Preprocessor took 47.95ms. Allocated memory is still 163.6MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 22:47:58,077 INFO L158 Benchmark]: RCFGBuilder took 581.46ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 125.3MB in the end (delta: -16.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 22:47:58,077 INFO L158 Benchmark]: TraceAbstraction took 3129.57ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 124.3MB in the beginning and 135.1MB in the end (delta: -10.8MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-18 22:47:58,077 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 199.2MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 22:47:58,079 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.96ms. Allocated memory is still 163.6MB. Free memory was 128.8MB in the beginning and 114.3MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.58ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 111.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.95ms. Allocated memory is still 163.6MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.46ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 125.3MB in the end (delta: -16.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3129.57ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 124.3MB in the beginning and 135.1MB in the end (delta: -10.8MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 199.2MB. Free memory is still 135.1MB. 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 102, overapproximation of someBinaryFLOATComparisonOperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 128.875; [L24] double var_1_3 = 24.5; [L25] double var_1_4 = 8.2; [L26] double var_1_5 = 10.05; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 0; [L31] unsigned long int var_1_10 = 2; [L32] signed char var_1_11 = -16; [L33] signed char var_1_12 = -2; [L34] signed char var_1_13 = -10; [L35] signed char var_1_14 = 4; [L36] double var_1_15 = 256.4; [L37] float var_1_16 = 0.25; [L38] double var_1_17 = 100000000000.2; [L39] double var_1_18 = 50.5; [L40] double var_1_19 = 9.5; VAL [isInitial=0, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_2=1031/8, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L106] isInitial = 1 [L107] FCALL initially() [L108] int k_loop; [L109] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_2=1031/8, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L109] COND TRUE k_loop < 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_double() [L61] 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=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L61] 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=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L62] var_1_3 = __VERIFIER_nondet_double() [L63] 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=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L63] 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=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L64] var_1_4 = __VERIFIER_nondet_double() [L65] 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=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L65] 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=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L66] var_1_5 = __VERIFIER_nondet_double() [L67] 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=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] 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=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L68] var_1_6 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_7=0, var_1_8=1, var_1_9=0] [L69] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_7=0, var_1_8=1, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L71] var_1_7 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_8=1, var_1_9=0] [L72] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_8=1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L74] var_1_8 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_9=0] [L75] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L76] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L77] var_1_9 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0] [L78] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L79] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L80] var_1_12 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L81] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L82] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L83] var_1_13 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L84] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L85] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L86] var_1_14 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L87] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L88] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L89] var_1_16 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L90] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L91] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L92] var_1_17 = __VERIFIER_nondet_double() [L93] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L93] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L94] var_1_18 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L95] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L96] var_1_19 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L97] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L111] RET updateVariables() [L112] CALL step() [L44] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L47] var_1_11 = (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14)))) VAL [isInitial=1, var_1_10=2, var_1_11=-116, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L48] COND FALSE !((var_1_2 + (var_1_3 / var_1_16)) == var_1_5) VAL [isInitial=1, var_1_10=2, var_1_11=-116, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L55] COND TRUE var_1_15 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15) [L56] var_1_1 = (var_1_6 && ((var_1_7 || var_1_8) && var_1_9)) VAL [isInitial=1, var_1_10=2, var_1_11=-116, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L112] RET step() [L113] CALL, EXPR property() [L102-L103] return ((((var_1_15 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) ? (var_1_1 == ((unsigned char) (var_1_6 && ((var_1_7 || var_1_8) && var_1_9)))) : 1) && (var_1_9 ? (var_1_10 == ((unsigned long int) 2u)) : 1)) && (var_1_11 == ((signed char) (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14))))))) && (((var_1_2 + (var_1_3 / var_1_16)) == var_1_5) ? ((var_1_3 >= var_1_4) ? (var_1_15 == ((double) (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))))) : (var_1_15 == ((double) var_1_17))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=2, var_1_11=-116, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_11=-116, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_11=-116, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 213 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 146 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 437 GetRequests, 427 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 710 ConstructedInterpolants, 0 QuantifiedInterpolants, 1172 SizeOfPredicates, 1 NumberOfNonLiveVariables, 628 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 4917/5060 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 [2024-11-18 22:47:58,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.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 4e4821e04b31b9aaf394b8b78c510bc3814de3cef2581931733142dfd333ca56 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 22:48:00,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 22:48:00,425 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 22:48:00,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 22:48:00,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 22:48:00,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 22:48:00,463 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 22:48:00,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 22:48:00,465 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 22:48:00,466 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 22:48:00,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 22:48:00,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 22:48:00,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 22:48:00,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 22:48:00,468 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 22:48:00,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 22:48:00,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 22:48:00,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 22:48:00,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 22:48:00,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 22:48:00,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 22:48:00,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 22:48:00,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 22:48:00,474 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 22:48:00,475 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 22:48:00,475 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 22:48:00,475 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 22:48:00,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 22:48:00,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 22:48:00,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 22:48:00,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 22:48:00,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 22:48:00,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 22:48:00,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 22:48:00,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:48:00,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 22:48:00,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 22:48:00,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 22:48:00,485 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 22:48:00,485 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 22:48:00,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 22:48:00,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 22:48:00,486 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 22:48:00,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 22:48:00,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4821e04b31b9aaf394b8b78c510bc3814de3cef2581931733142dfd333ca56 [2024-11-18 22:48:00,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 22:48:00,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 22:48:00,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 22:48:00,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 22:48:00,836 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 22:48:00,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i [2024-11-18 22:48:02,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 22:48:02,582 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 22:48:02,583 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-72.i [2024-11-18 22:48:02,591 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/453244598/df6b0363f3444e5a8e7da7fe42c15b71/FLAGcedba8767 [2024-11-18 22:48:02,932 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/453244598/df6b0363f3444e5a8e7da7fe42c15b71 [2024-11-18 22:48:02,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 22:48:02,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 22:48:02,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 22:48:02,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 22:48:02,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 22:48:02,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:02" (1/1) ... [2024-11-18 22:48:02,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be203ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:02, skipping insertion in model container [2024-11-18 22:48:02,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:02" (1/1) ... [2024-11-18 22:48:02,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 22:48:03,163 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-72.i[915,928] [2024-11-18 22:48:03,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:48:03,250 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 22:48:03,263 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-72.i[915,928] [2024-11-18 22:48:03,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:48:03,323 INFO L204 MainTranslator]: Completed translation [2024-11-18 22:48:03,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03 WrapperNode [2024-11-18 22:48:03,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 22:48:03,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 22:48:03,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 22:48:03,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 22:48:03,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,395 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2024-11-18 22:48:03,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 22:48:03,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 22:48:03,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 22:48:03,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 22:48:03,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,415 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,439 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]. [2024-11-18 22:48:03,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 22:48:03,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 22:48:03,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 22:48:03,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 22:48:03,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2024-11-18 22:48:03,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:48:03,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:48:03,507 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) [2024-11-18 22:48:03,509 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 [2024-11-18 22:48:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 22:48:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 22:48:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 22:48:03,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 22:48:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 22:48:03,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 22:48:03,623 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 22:48:03,626 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 22:48:17,807 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-18 22:48:17,808 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 22:48:17,819 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 22:48:17,819 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 22:48:17,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:17 BoogieIcfgContainer [2024-11-18 22:48:17,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 22:48:17,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 22:48:17,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 22:48:17,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 22:48:17,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:48:02" (1/3) ... [2024-11-18 22:48:17,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b53c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:17, skipping insertion in model container [2024-11-18 22:48:17,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (2/3) ... [2024-11-18 22:48:17,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b53c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:17, skipping insertion in model container [2024-11-18 22:48:17,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:17" (3/3) ... [2024-11-18 22:48:17,835 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-72.i [2024-11-18 22:48:17,846 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 22:48:17,847 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 22:48:17,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 22:48:17,905 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;@7d8f3396, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 22:48:17,905 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 22:48:17,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 38 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 22:48:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-18 22:48:17,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:48:17,922 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:48:17,922 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:48:17,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:48:17,926 INFO L85 PathProgramCache]: Analyzing trace with hash -149346395, now seen corresponding path program 1 times [2024-11-18 22:48:17,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:48:17,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752680359] [2024-11-18 22:48:17,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:48:17,938 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 [2024-11-18 22:48:17,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:48:17,942 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) [2024-11-18 22:48:17,957 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 [2024-11-18 22:48:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:48:19,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 22:48:19,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:48:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2024-11-18 22:48:19,115 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 22:48:19,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 22:48:19,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752680359] [2024-11-18 22:48:19,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752680359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:48:19,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 22:48:19,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 22:48:19,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433646146] [2024-11-18 22:48:19,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:48:19,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 22:48:19,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 22:48:19,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 22:48:19,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:48:19,153 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 38 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 22:48:19,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:48:19,186 INFO L93 Difference]: Finished difference Result 123 states and 204 transitions. [2024-11-18 22:48:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 22:48:19,189 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2024-11-18 22:48:19,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:48:19,195 INFO L225 Difference]: With dead ends: 123 [2024-11-18 22:48:19,195 INFO L226 Difference]: Without dead ends: 59 [2024-11-18 22:48:19,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:48:19,201 INFO L432 NwaCegarLoop]: 89 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, 89 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 [2024-11-18 22:48:19,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 22:48:19,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-18 22:48:19,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-18 22:48:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 34 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 22:48:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 85 transitions. [2024-11-18 22:48:19,239 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 85 transitions. Word has length 143 [2024-11-18 22:48:19,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:48:19,242 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 85 transitions. [2024-11-18 22:48:19,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 22:48:19,242 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2024-11-18 22:48:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-18 22:48:19,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:48:19,247 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:48:19,275 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 [2024-11-18 22:48:19,448 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 [2024-11-18 22:48:19,449 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:48:19,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:48:19,450 INFO L85 PathProgramCache]: Analyzing trace with hash -403717545, now seen corresponding path program 1 times [2024-11-18 22:48:19,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:48:19,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270921436] [2024-11-18 22:48:19,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:48:19,451 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 [2024-11-18 22:48:19,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:48:19,454 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) [2024-11-18 22:48:19,455 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 [2024-11-18 22:48:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:48:20,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-18 22:48:20,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:48:23,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-18 22:48:23,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 22:48:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-18 22:48:26,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 22:48:26,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270921436] [2024-11-18 22:48:26,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270921436] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 22:48:26,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-18 22:48:26,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-18 22:48:26,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717238556] [2024-11-18 22:48:26,634 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-18 22:48:26,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 22:48:26,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 22:48:26,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 22:48:26,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 22:48:26,638 INFO L87 Difference]: Start difference. First operand 59 states and 85 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-18 22:48:35,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 22:48:39,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 22:48:43,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 22:48:43,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:48:43,105 INFO L93 Difference]: Finished difference Result 123 states and 174 transitions. [2024-11-18 22:48:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 22:48:43,239 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 143 [2024-11-18 22:48:43,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:48:43,241 INFO L225 Difference]: With dead ends: 123 [2024-11-18 22:48:43,241 INFO L226 Difference]: Without dead ends: 67 [2024-11-18 22:48:43,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 278 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-18 22:48:43,243 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 63 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 27 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2024-11-18 22:48:43,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 121 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 129 Invalid, 3 Unknown, 0 Unchecked, 15.9s Time] [2024-11-18 22:48:43,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-18 22:48:43,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2024-11-18 22:48:43,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 37 states have internal predecessors, (41), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 22:48:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2024-11-18 22:48:43,265 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 143 [2024-11-18 22:48:43,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:48:43,266 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2024-11-18 22:48:43,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-18 22:48:43,267 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2024-11-18 22:48:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-18 22:48:43,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:48:43,271 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:48:43,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-18 22:48:43,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 22:48:43,472 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:48:43,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:48:43,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1213064171, now seen corresponding path program 1 times [2024-11-18 22:48:43,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:48:43,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528703553] [2024-11-18 22:48:43,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:48:43,474 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 [2024-11-18 22:48:43,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:48:43,477 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 22:48:43,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-18 22:48:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:48:44,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-18 22:48:44,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:49:00,912 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-18 22:49:09,259 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-18 22:49:17,465 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-18 22:49:25,814 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)