./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-8.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 83837f94fc7bd30360fd01d655750d82d3cc2bacf5947cc8d97518c23fb519c1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:05:55,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:05:55,460 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 18:05:55,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:05:55,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:05:55,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:05:55,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:05:55,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:05:55,489 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:05:55,489 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:05:55,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:05:55,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:05:55,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:05:55,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:05:55,494 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:05:55,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:05:55,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:05:55,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:05:55,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 18:05:55,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:05:55,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:05:55,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:05:55,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:05:55,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:05:55,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:05:55,498 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:05:55,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:05:55,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:05:55,499 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:05:55,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:05:55,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:05:55,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:05:55,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:05:55,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:05:55,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:05:55,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:05:55,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 18:05:55,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 18:05:55,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:05:55,502 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:05:55,502 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:05:55,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:05:55,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83837f94fc7bd30360fd01d655750d82d3cc2bacf5947cc8d97518c23fb519c1 [2024-11-16 18:05:55,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:05:55,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:05:55,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:05:55,794 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:05:55,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:05:55,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-8.i [2024-11-16 18:05:57,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:05:57,392 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:05:57,393 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-8.i [2024-11-16 18:05:57,403 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b199fcb8d/fcc1c21bd3fd498481652b38307ae516/FLAGe2fb32bbc [2024-11-16 18:05:57,419 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b199fcb8d/fcc1c21bd3fd498481652b38307ae516 [2024-11-16 18:05:57,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:05:57,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:05:57,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:05:57,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:05:57,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:05:57,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d787561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57, skipping insertion in model container [2024-11-16 18:05:57,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:05:57,645 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_variablewrapping_normal_file-8.i[912,925] [2024-11-16 18:05:57,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:05:57,710 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:05:57,723 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_variablewrapping_normal_file-8.i[912,925] [2024-11-16 18:05:57,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:05:57,777 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:05:57,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57 WrapperNode [2024-11-16 18:05:57,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:05:57,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:05:57,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:05:57,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:05:57,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,836 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-16 18:05:57,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:05:57,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:05:57,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:05:57,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:05:57,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,875 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,891 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 18:05:57,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:05:57,925 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:05:57,925 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:05:57,925 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:05:57,926 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (1/1) ... [2024-11-16 18:05:57,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:05:57,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:05:57,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 18:05:57,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 18:05:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:05:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:05:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:05:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 18:05:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:05:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:05:58,082 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:05:58,084 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:05:58,337 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-16 18:05:58,337 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:05:58,352 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:05:58,353 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:05:58,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:05:58 BoogieIcfgContainer [2024-11-16 18:05:58,354 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:05:58,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:05:58,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:05:58,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:05:58,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:05:57" (1/3) ... [2024-11-16 18:05:58,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43424c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:05:58, skipping insertion in model container [2024-11-16 18:05:58,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:05:57" (2/3) ... [2024-11-16 18:05:58,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43424c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:05:58, skipping insertion in model container [2024-11-16 18:05:58,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:05:58" (3/3) ... [2024-11-16 18:05:58,362 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-8.i [2024-11-16 18:05:58,378 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:05:58,379 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:05:58,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:05:58,446 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;@3746233, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:05:58,446 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:05:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 34 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:05:58,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 18:05:58,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:05:58,461 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:05:58,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:05:58,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:05:58,468 INFO L85 PathProgramCache]: Analyzing trace with hash 519177296, now seen corresponding path program 1 times [2024-11-16 18:05:58,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:05:58,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606681543] [2024-11-16 18:05:58,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:05:58,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:05:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:05:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 18:05:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 18:05:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 18:05:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 18:05:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 18:05:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 18:05:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 18:05:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 18:05:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 18:05:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 18:05:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 18:05:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 18:05:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 18:05:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:58,840 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:05:58,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:05:58,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606681543] [2024-11-16 18:05:58,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606681543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:05:58,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:05:58,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:05:58,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923530860] [2024-11-16 18:05:58,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:05:58,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:05:58,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:05:58,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:05:58,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:05:58,876 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 34 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:05:58,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:05:58,901 INFO L93 Difference]: Finished difference Result 92 states and 147 transitions. [2024-11-16 18:05:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:05:58,904 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2024-11-16 18:05:58,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:05:58,912 INFO L225 Difference]: With dead ends: 92 [2024-11-16 18:05:58,912 INFO L226 Difference]: Without dead ends: 45 [2024-11-16 18:05:58,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:05:58,920 INFO L432 NwaCegarLoop]: 62 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, 62 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:05:58,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:05:58,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-16 18:05:58,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-16 18:05:58,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:05:58,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2024-11-16 18:05:58,961 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 94 [2024-11-16 18:05:58,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:05:58,961 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2024-11-16 18:05:58,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:05:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2024-11-16 18:05:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 18:05:58,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:05:58,965 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:05:58,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 18:05:58,966 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:05:58,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:05:58,966 INFO L85 PathProgramCache]: Analyzing trace with hash 857660652, now seen corresponding path program 1 times [2024-11-16 18:05:58,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:05:58,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71637266] [2024-11-16 18:05:58,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:05:58,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:05:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:05:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 18:05:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 18:05:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 18:05:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 18:05:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 18:05:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 18:05:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 18:05:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 18:05:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 18:05:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 18:05:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 18:05:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 18:05:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 18:05:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:05:59,238 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:05:59,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:05:59,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71637266] [2024-11-16 18:05:59,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71637266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:05:59,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:05:59,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:05:59,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886666716] [2024-11-16 18:05:59,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:05:59,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:05:59,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:05:59,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:05:59,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:05:59,242 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:05:59,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:05:59,381 INFO L93 Difference]: Finished difference Result 87 states and 121 transitions. [2024-11-16 18:05:59,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:05:59,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 94 [2024-11-16 18:05:59,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:05:59,394 INFO L225 Difference]: With dead ends: 87 [2024-11-16 18:05:59,394 INFO L226 Difference]: Without dead ends: 45 [2024-11-16 18:05:59,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:05:59,398 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 55 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:05:59,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 80 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:05:59,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-16 18:05:59,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-16 18:05:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:05:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2024-11-16 18:05:59,411 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 94 [2024-11-16 18:05:59,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:05:59,413 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2024-11-16 18:05:59,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:05:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-11-16 18:05:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 18:05:59,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:05:59,417 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:05:59,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 18:05:59,418 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:05:59,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:05:59,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1745164333, now seen corresponding path program 1 times [2024-11-16 18:05:59,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:05:59,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074292480] [2024-11-16 18:05:59,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:05:59,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:05:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 18:05:59,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 18:05:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 18:05:59,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 18:05:59,630 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 18:05:59,632 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 18:05:59,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 18:05:59,637 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 18:05:59,699 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 18:05:59,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 06:05:59 BoogieIcfgContainer [2024-11-16 18:05:59,702 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 18:05:59,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 18:05:59,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 18:05:59,703 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 18:05:59,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:05:58" (3/4) ... [2024-11-16 18:05:59,706 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 18:05:59,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 18:05:59,709 INFO L158 Benchmark]: Toolchain (without parser) took 2285.00ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 76.0MB in the beginning and 139.4MB in the end (delta: -63.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 18:05:59,709 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 157.3MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 18:05:59,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.97ms. Allocated memory is still 157.3MB. Free memory was 76.0MB in the beginning and 61.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 18:05:59,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.22ms. Allocated memory is still 157.3MB. Free memory was 61.7MB in the beginning and 59.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 18:05:59,711 INFO L158 Benchmark]: Boogie Preprocessor took 82.84ms. Allocated memory is still 157.3MB. Free memory was 59.2MB in the beginning and 127.5MB in the end (delta: -68.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-16 18:05:59,711 INFO L158 Benchmark]: IcfgBuilder took 429.22ms. Allocated memory is still 157.3MB. Free memory was 127.5MB in the beginning and 116.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-16 18:05:59,712 INFO L158 Benchmark]: TraceAbstraction took 1345.94ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 116.6MB in the beginning and 140.1MB in the end (delta: -23.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-16 18:05:59,713 INFO L158 Benchmark]: Witness Printer took 5.44ms. Allocated memory is still 192.9MB. Free memory was 140.1MB in the beginning and 139.4MB in the end (delta: 685.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 18:05:59,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 157.3MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.97ms. Allocated memory is still 157.3MB. Free memory was 76.0MB in the beginning and 61.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.22ms. Allocated memory is still 157.3MB. Free memory was 61.7MB in the beginning and 59.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.84ms. Allocated memory is still 157.3MB. Free memory was 59.2MB in the beginning and 127.5MB in the end (delta: -68.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * IcfgBuilder took 429.22ms. Allocated memory is still 157.3MB. Free memory was 127.5MB in the beginning and 116.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1345.94ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 116.6MB in the beginning and 140.1MB in the end (delta: -23.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 5.44ms. Allocated memory is still 192.9MB. Free memory was 140.1MB in the beginning and 139.4MB in the end (delta: 685.8kB). 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 someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryArithmeticFLOAToperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] signed long int var_1_8 = 64; [L28] float var_1_12 = 2.4; [L29] float var_1_13 = 127.75; [L30] float var_1_14 = 0.0; [L31] float var_1_15 = 31.4; [L32] float var_1_16 = 256.75; [L33] float var_1_17 = 256.6; [L34] signed long int var_1_18 = 0; [L35] unsigned char var_1_19 = 32; [L36] unsigned char var_1_20 = 100; VAL [isInitial=0, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L68] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L69] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L69] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L70] var_1_5 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=64] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=64] [L72] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L72] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L73] var_1_6 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=64] [L74] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=64] [L75] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L75] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L76] var_1_7 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L77] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L78] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L78] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L79] var_1_13 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L80] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=12/5, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L81] var_1_14 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_14 >= 2305843.009213691390e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L82] RET assume_abort_if_not((var_1_14 >= 2305843.009213691390e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=12/5, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L83] var_1_15 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L84] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=12/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L85] var_1_16 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L86] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L87] var_1_20 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L88] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L89] CALL assume_abort_if_not(var_1_20 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=256, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=256, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L89] RET assume_abort_if_not(var_1_20 <= 254) VAL [isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=256, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L102] RET updateVariables() [L103] CALL step() [L40] var_1_17 = var_1_14 [L41] var_1_19 = var_1_20 [L42] var_1_18 = var_1_19 [L43] unsigned char stepLocal_1 = var_1_19; [L44] signed long int stepLocal_0 = (var_1_18 * var_1_18) * (var_1_19 - var_1_19); VAL [isInitial=1, stepLocal_0=0, stepLocal_1=256, var_1_12=12/5, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=256, var_1_1=0, var_1_20=256, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L45] COND FALSE !(stepLocal_0 >= 1u) [L52] var_1_8 = var_1_19 VAL [isInitial=1, stepLocal_1=256, var_1_12=12/5, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=256, var_1_1=0, var_1_20=256, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L54] signed long int stepLocal_2 = var_1_8; VAL [isInitial=1, stepLocal_1=256, stepLocal_2=0, var_1_12=12/5, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=256, var_1_1=0, var_1_20=256, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L55] COND FALSE !(var_1_19 > stepLocal_2) [L58] var_1_12 = (var_1_16 - (var_1_14 + var_1_15)) VAL [isInitial=1, stepLocal_1=256, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=256, var_1_1=0, var_1_20=256, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L60] COND TRUE var_1_18 >= (8u * var_1_8) [L61] var_1_1 = (! (var_1_4 || (var_1_5 || var_1_6))) VAL [isInitial=1, stepLocal_1=256, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=256, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L103] RET step() [L104] CALL, EXPR property() [L94-L95] return ((((((var_1_18 >= (8u * var_1_8)) ? (var_1_1 == ((unsigned char) (! (var_1_4 || (var_1_5 || var_1_6))))) : (var_1_1 == ((unsigned char) var_1_7))) && ((((var_1_18 * var_1_18) * (var_1_19 - var_1_19)) >= 1u) ? ((var_1_18 <= var_1_19) ? (var_1_8 == ((signed long int) var_1_19)) : (var_1_8 == ((signed long int) var_1_19))) : (var_1_8 == ((signed long int) var_1_19)))) && ((var_1_19 > var_1_8) ? (var_1_12 == ((float) (var_1_13 + ((var_1_14 - var_1_15) - var_1_16)))) : (var_1_12 == ((float) (var_1_16 - (var_1_14 + var_1_15)))))) && (var_1_17 == ((float) var_1_14))) && (var_1_18 == ((signed long int) var_1_19))) && (var_1_19 == ((unsigned char) var_1_20)) ; VAL [\result=0, isInitial=1, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=256, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=256, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=256, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 142 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 118 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 728/728 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 18:05:59,756 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_variablewrapping_normal_file-8.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 83837f94fc7bd30360fd01d655750d82d3cc2bacf5947cc8d97518c23fb519c1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:06:01,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:06:01,935 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 18:06:01,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:06:01,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:06:01,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:06:01,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:06:01,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:06:01,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:06:01,975 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:06:01,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:06:01,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:06:01,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:06:01,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:06:01,981 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:06:01,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:06:01,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:06:01,982 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:06:01,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:06:01,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:06:01,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:06:01,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:06:01,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:06:01,984 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 18:06:01,984 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 18:06:01,984 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:06:01,985 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 18:06:01,985 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:06:01,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:06:01,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:06:01,985 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:06:01,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:06:01,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:06:01,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:06:01,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:06:01,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:06:01,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:06:01,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:06:01,988 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 18:06:01,989 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 18:06:01,989 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:06:01,989 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:06:01,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:06:01,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:06:01,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83837f94fc7bd30360fd01d655750d82d3cc2bacf5947cc8d97518c23fb519c1 [2024-11-16 18:06:02,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:06:02,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:06:02,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:06:02,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:06:02,296 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:06:02,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-8.i [2024-11-16 18:06:03,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:06:04,032 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:06:04,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-8.i [2024-11-16 18:06:04,040 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420da8e8f/c753944f53e34dc6a0f7b72cd4e30cd6/FLAGebdb815c6 [2024-11-16 18:06:04,052 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420da8e8f/c753944f53e34dc6a0f7b72cd4e30cd6 [2024-11-16 18:06:04,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:06:04,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:06:04,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:06:04,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:06:04,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:06:04,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126b8785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04, skipping insertion in model container [2024-11-16 18:06:04,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:06:04,270 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_variablewrapping_normal_file-8.i[912,925] [2024-11-16 18:06:04,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:06:04,344 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:06:04,358 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_variablewrapping_normal_file-8.i[912,925] [2024-11-16 18:06:04,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:06:04,406 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:06:04,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04 WrapperNode [2024-11-16 18:06:04,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:06:04,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:06:04,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:06:04,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:06:04,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,462 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-16 18:06:04,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:06:04,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:06:04,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:06:04,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:06:04,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,480 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,498 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 18:06:04,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,506 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:06:04,523 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:06:04,523 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:06:04,523 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:06:04,524 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (1/1) ... [2024-11-16 18:06:04,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:06:04,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:06:04,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 18:06:04,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 18:06:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:06:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 18:06:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:06:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:06:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:06:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:06:04,687 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:06:04,690 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:06:05,171 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-16 18:06:05,172 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:06:05,188 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:06:05,188 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:06:05,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:06:05 BoogieIcfgContainer [2024-11-16 18:06:05,189 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:06:05,191 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:06:05,191 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:06:05,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:06:05,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:06:04" (1/3) ... [2024-11-16 18:06:05,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c38536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:06:05, skipping insertion in model container [2024-11-16 18:06:05,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:06:04" (2/3) ... [2024-11-16 18:06:05,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c38536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:06:05, skipping insertion in model container [2024-11-16 18:06:05,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:06:05" (3/3) ... [2024-11-16 18:06:05,198 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-8.i [2024-11-16 18:06:05,212 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:06:05,212 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:06:05,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:06:05,288 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;@78164ccd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:06:05,289 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:06:05,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 34 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:06:05,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 18:06:05,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:06:05,306 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:06:05,306 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:06:05,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:06:05,315 INFO L85 PathProgramCache]: Analyzing trace with hash 519177296, now seen corresponding path program 1 times [2024-11-16 18:06:05,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:06:05,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286058458] [2024-11-16 18:06:05,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:06:05,331 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:06:05,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:06:05,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:06:05,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 18:06:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:06:05,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 18:06:05,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:06:05,687 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-16 18:06:05,688 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:06:05,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:06:05,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286058458] [2024-11-16 18:06:05,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286058458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:06:05,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:06:05,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:06:05,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322195992] [2024-11-16 18:06:05,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:06:05,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:06:05,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:06:05,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:06:05,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:06:05,726 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 34 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:06:05,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:06:05,757 INFO L93 Difference]: Finished difference Result 92 states and 147 transitions. [2024-11-16 18:06:05,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:06:05,759 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2024-11-16 18:06:05,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:06:05,767 INFO L225 Difference]: With dead ends: 92 [2024-11-16 18:06:05,767 INFO L226 Difference]: Without dead ends: 45 [2024-11-16 18:06:05,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:06:05,776 INFO L432 NwaCegarLoop]: 62 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, 62 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:06:05,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:06:05,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-16 18:06:05,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-16 18:06:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:06:05,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2024-11-16 18:06:05,825 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 94 [2024-11-16 18:06:05,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:06:05,826 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2024-11-16 18:06:05,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:06:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2024-11-16 18:06:05,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 18:06:05,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:06:05,833 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:06:05,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-16 18:06:06,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:06:06,036 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:06:06,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:06:06,037 INFO L85 PathProgramCache]: Analyzing trace with hash 857660652, now seen corresponding path program 1 times [2024-11-16 18:06:06,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:06:06,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589367589] [2024-11-16 18:06:06,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:06:06,038 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:06:06,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:06:06,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:06:06,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 18:06:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:06:06,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 18:06:06,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:06:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:06:06,592 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:06:06,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:06:06,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589367589] [2024-11-16 18:06:06,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589367589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:06:06,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:06:06,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:06:06,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121891726] [2024-11-16 18:06:06,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:06:06,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:06:06,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:06:06,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:06:06,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:06:06,599 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:06:07,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:06:07,971 INFO L93 Difference]: Finished difference Result 117 states and 164 transitions. [2024-11-16 18:06:07,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:06:07,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 94 [2024-11-16 18:06:07,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:06:07,974 INFO L225 Difference]: With dead ends: 117 [2024-11-16 18:06:07,974 INFO L226 Difference]: Without dead ends: 75 [2024-11-16 18:06:07,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:06:07,977 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 79 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:06:07,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 162 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 18:06:07,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-16 18:06:07,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 45. [2024-11-16 18:06:07,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:06:07,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2024-11-16 18:06:07,992 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 94 [2024-11-16 18:06:07,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:06:07,993 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2024-11-16 18:06:07,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:06:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-11-16 18:06:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 18:06:07,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:06:07,997 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:06:08,010 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 [2024-11-16 18:06:08,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:06:08,198 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:06:08,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:06:08,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1745164333, now seen corresponding path program 1 times [2024-11-16 18:06:08,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:06:08,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026361682] [2024-11-16 18:06:08,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:06:08,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:06:08,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:06:08,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:06:08,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-16 18:06:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:06:08,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-16 18:06:08,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:06:55,303 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)