./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-78.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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-78.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 710320fa6de161e4a282e22ef2d80d8d84540a08056bade2f948495e37c0bf61 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 01:24:21,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:24:21,382 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 01:24:21,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:24:21,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:24:21,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:24:21,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:24:21,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:24:21,405 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 01:24:21,408 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 01:24:21,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:24:21,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:24:21,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:24:21,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:24:21,409 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 01:24:21,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:24:21,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:24:21,410 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:24:21,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:24:21,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:24:21,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:24:21,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:24:21,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:24:21,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:24:21,413 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:24:21,413 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:24:21,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:24:21,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:24:21,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:24:21,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:24:21,414 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:24:21,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:24:21,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:24:21,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:24:21,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:24:21,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:24:21,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 01:24:21,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:24:21,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:24:21,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 01:24:21,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 01:24:21,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:24:21,416 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 710320fa6de161e4a282e22ef2d80d8d84540a08056bade2f948495e37c0bf61 [2024-11-09 01:24:21,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:24:21,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:24:21,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:24:21,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:24:21,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:24:21,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-78.i [2024-11-09 01:24:22,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:24:23,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:24:23,123 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-78.i [2024-11-09 01:24:23,131 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b565f4dd/09ea249dcecb4c4689fbee2ec492e5e8/FLAG0a60a54d6 [2024-11-09 01:24:23,149 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b565f4dd/09ea249dcecb4c4689fbee2ec492e5e8 [2024-11-09 01:24:23,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:24:23,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:24:23,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:23,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:24:23,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:24:23,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b38e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23, skipping insertion in model container [2024-11-09 01:24:23,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,187 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:24:23,317 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-78.i[913,926] [2024-11-09 01:24:23,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:23,359 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:24:23,369 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-78.i[913,926] [2024-11-09 01:24:23,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:23,401 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:24:23,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23 WrapperNode [2024-11-09 01:24:23,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:23,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:23,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:24:23,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:24:23,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,433 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2024-11-09 01:24:23,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:23,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:24:23,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:24:23,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:24:23,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,463 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]. [2024-11-09 01:24:23,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:24:23,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:24:23,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:24:23,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:24:23,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (1/1) ... [2024-11-09 01:24:23,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:24:23,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:24:23,514 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) [2024-11-09 01:24:23,517 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 [2024-11-09 01:24:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:24:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:24:23,562 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:24:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 01:24:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:24:23,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:24:23,637 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:24:23,638 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:24:23,815 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 01:24:23,816 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:24:23,826 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:24:23,826 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:24:23,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:23 BoogieIcfgContainer [2024-11-09 01:24:23,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:24:23,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:24:23,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:24:23,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:24:23,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:24:23" (1/3) ... [2024-11-09 01:24:23,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4525829b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:23, skipping insertion in model container [2024-11-09 01:24:23,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:23" (2/3) ... [2024-11-09 01:24:23,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4525829b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:23, skipping insertion in model container [2024-11-09 01:24:23,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:23" (3/3) ... [2024-11-09 01:24:23,835 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-78.i [2024-11-09 01:24:23,848 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:24:23,848 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:24:23,888 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:24:23,893 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;@23b480a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:24:23,893 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:24:23,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 01:24:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 01:24:23,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:23,903 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:23,903 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:23,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:23,907 INFO L85 PathProgramCache]: Analyzing trace with hash 796298402, now seen corresponding path program 1 times [2024-11-09 01:24:23,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:24:23,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600116810] [2024-11-09 01:24:23,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:23,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:24:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:24,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:24:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:24,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:24:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:24,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:24:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:24,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 01:24:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 01:24:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:24,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 01:24:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:24,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:24:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:24,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:24:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:24,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 01:24:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:24,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:24:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 01:24:24,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:24:24,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600116810] [2024-11-09 01:24:24,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600116810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:24:24,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:24:24,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:24:24,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898305908] [2024-11-09 01:24:24,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:24:24,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:24:24,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:24:24,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:24:24,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:24:24,404 INFO L87 Difference]: Start difference. First operand has 44 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 01:24:24,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:24:24,486 INFO L93 Difference]: Finished difference Result 118 states and 194 transitions. [2024-11-09 01:24:24,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:24:24,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 72 [2024-11-09 01:24:24,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:24:24,496 INFO L225 Difference]: With dead ends: 118 [2024-11-09 01:24:24,496 INFO L226 Difference]: Without dead ends: 77 [2024-11-09 01:24:24,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:24:24,505 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 25 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:24:24,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 146 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:24:24,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-09 01:24:24,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-11-09 01:24:24,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 51 states have internal predecessors, (62), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 01:24:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2024-11-09 01:24:24,558 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 72 [2024-11-09 01:24:24,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:24:24,559 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-11-09 01:24:24,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 01:24:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-11-09 01:24:24,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 01:24:24,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:24,563 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:24,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:24:24,564 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:24,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:24,565 INFO L85 PathProgramCache]: Analyzing trace with hash 798145444, now seen corresponding path program 1 times [2024-11-09 01:24:24,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:24:24,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014083673] [2024-11-09 01:24:24,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:24,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:24:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:24:24,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:24:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:24:24,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 01:24:24,687 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:24:24,688 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:24:24,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:24:24,691 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 01:24:24,738 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:24:24,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:24:24 BoogieIcfgContainer [2024-11-09 01:24:24,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:24:24,741 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:24:24,741 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:24:24,741 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:24:24,742 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:23" (3/4) ... [2024-11-09 01:24:24,745 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:24:24,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:24:24,747 INFO L158 Benchmark]: Toolchain (without parser) took 1593.42ms. Allocated memory is still 184.5MB. Free memory was 144.3MB in the beginning and 70.6MB in the end (delta: 73.7MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2024-11-09 01:24:24,747 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 104.9MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:24:24,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.42ms. Allocated memory is still 184.5MB. Free memory was 144.3MB in the beginning and 130.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:24:24,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.73ms. Allocated memory is still 184.5MB. Free memory was 130.4MB in the beginning and 128.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:24:24,750 INFO L158 Benchmark]: Boogie Preprocessor took 48.47ms. Allocated memory is still 184.5MB. Free memory was 128.3MB in the beginning and 125.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:24:24,751 INFO L158 Benchmark]: RCFGBuilder took 343.45ms. Allocated memory is still 184.5MB. Free memory was 125.4MB in the beginning and 141.1MB in the end (delta: -15.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:24:24,752 INFO L158 Benchmark]: TraceAbstraction took 912.78ms. Allocated memory is still 184.5MB. Free memory was 140.6MB in the beginning and 70.6MB in the end (delta: 70.0MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-11-09 01:24:24,753 INFO L158 Benchmark]: Witness Printer took 5.19ms. Allocated memory is still 184.5MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:24:24,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 104.9MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.42ms. Allocated memory is still 184.5MB. Free memory was 144.3MB in the beginning and 130.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.73ms. Allocated memory is still 184.5MB. Free memory was 130.4MB in the beginning and 128.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.47ms. Allocated memory is still 184.5MB. Free memory was 128.3MB in the beginning and 125.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 343.45ms. Allocated memory is still 184.5MB. Free memory was 125.4MB in the beginning and 141.1MB in the end (delta: -15.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 912.78ms. Allocated memory is still 184.5MB. Free memory was 140.6MB in the beginning and 70.6MB in the end (delta: 70.0MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Witness Printer took 5.19ms. Allocated memory is still 184.5MB. Free memory is still 70.6MB. 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 86, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryArithmeticFLOAToperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -200; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] float var_1_9 = 100.55; [L26] float var_1_10 = 4.75; [L27] float var_1_11 = 128.75; [L28] double var_1_12 = 128.5; [L29] double var_1_13 = 0.0; [L30] double var_1_14 = 127.875; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 16; VAL [isInitial=0, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_9=2011/20] [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] FCALL updateLastVariables() [L94] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_3=1, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_3=1, var_1_9=2011/20] [L66] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_3=1, var_1_9=2011/20] [L67] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=1, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=1, var_1_9=2011/20] [L67] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=1, var_1_9=2011/20] [L68] var_1_3 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_9=2011/20] [L69] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_9=2011/20] [L70] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L70] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L71] var_1_10 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L72] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L73] var_1_11 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L74] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L75] var_1_13 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L76] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=257/2, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L77] var_1_14 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_14 >= 0.0F && 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=257/2, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L78] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=257/2, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L79] var_1_16 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_15=1, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_15=1, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L80] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_12=257/2, var_1_15=1, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L81] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_15=1, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_15=1, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L81] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_12=257/2, var_1_15=1, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L94] RET updateVariables() [L95] CALL step() [L36] COND TRUE 0.8f > (- var_1_10) [L37] var_1_15 = var_1_16 VAL [isInitial=1, var_1_12=257/2, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L39] unsigned char stepLocal_1 = var_1_15 > var_1_15; [L40] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=-256, stepLocal_1=0, var_1_12=257/2, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L41] COND FALSE !(var_1_2 && stepLocal_0) VAL [isInitial=1, stepLocal_1=0, var_1_12=257/2, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L48] COND TRUE \read(var_1_2) [L49] var_1_9 = (var_1_10 - var_1_11) VAL [isInitial=1, stepLocal_1=0, var_1_12=257/2, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] [L57] signed long int stepLocal_2 = var_1_1; VAL [isInitial=1, stepLocal_1=0, stepLocal_2=-200, var_1_12=257/2, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] [L58] COND FALSE !(stepLocal_2 <= ((((8u) < 0 ) ? -(8u) : (8u)))) [L61] var_1_12 = ((var_1_13 - var_1_14) - var_1_11) VAL [isInitial=1, stepLocal_1=0, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] [L95] RET step() [L96] CALL, EXPR property() [L86-L87] return ((((var_1_2 && var_1_3) ? ((var_1_2 && (var_1_15 > var_1_15)) ? (var_1_1 == ((signed long int) (var_1_15 - var_1_15))) : (var_1_1 == ((signed long int) ((var_1_15 + 5) - var_1_15)))) : 1) && (var_1_2 ? (var_1_9 == ((float) (var_1_10 - var_1_11))) : ((var_1_1 < var_1_15) ? (var_1_9 == ((float) ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))))) : (var_1_9 == ((float) var_1_10))))) && ((var_1_1 <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (var_1_12 == ((double) (var_1_10 - 99.5))) : (var_1_12 == ((double) ((var_1_13 - var_1_14) - var_1_11))))) && ((0.8f > (- var_1_10)) ? (var_1_15 == ((unsigned char) var_1_16)) : 1) ; VAL [\result=0, isInitial=1, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] [L19] reach_error() VAL [isInitial=1, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 146 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 51 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=1, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 180/180 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 [2024-11-09 01:24:24,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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-78.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 710320fa6de161e4a282e22ef2d80d8d84540a08056bade2f948495e37c0bf61 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 01:24:26,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:24:26,605 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 01:24:26,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:24:26,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:24:26,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:24:26,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:24:26,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:24:26,642 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 01:24:26,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 01:24:26,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:24:26,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:24:26,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:24:26,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:24:26,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 01:24:26,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:24:26,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:24:26,646 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:24:26,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:24:26,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:24:26,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:24:26,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:24:26,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:24:26,649 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:24:26,649 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:24:26,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:24:26,650 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:24:26,650 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:24:26,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:24:26,650 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:24:26,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:24:26,651 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:24:26,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:24:26,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:24:26,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:24:26,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:24:26,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:24:26,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:24:26,652 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 01:24:26,652 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:24:26,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:24:26,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 01:24:26,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 01:24:26,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:24:26,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 710320fa6de161e4a282e22ef2d80d8d84540a08056bade2f948495e37c0bf61 [2024-11-09 01:24:26,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:24:26,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:24:26,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:24:26,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:24:26,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:24:26,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-78.i [2024-11-09 01:24:28,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:24:28,429 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:24:28,429 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-78.i [2024-11-09 01:24:28,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423d9c035/40dd629405aa4de0b20f883e68636158/FLAG5bf08b80d [2024-11-09 01:24:28,451 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423d9c035/40dd629405aa4de0b20f883e68636158 [2024-11-09 01:24:28,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:24:28,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:24:28,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:28,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:24:28,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:24:28,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51eed67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28, skipping insertion in model container [2024-11-09 01:24:28,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:24:28,631 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-78.i[913,926] [2024-11-09 01:24:28,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:28,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:24:28,700 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-78.i[913,926] [2024-11-09 01:24:28,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:28,738 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:24:28,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28 WrapperNode [2024-11-09 01:24:28,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:28,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:28,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:24:28,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:24:28,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,780 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2024-11-09 01:24:28,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:28,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:24:28,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:24:28,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:24:28,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,806 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]. [2024-11-09 01:24:28,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:24:28,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:24:28,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:24:28,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:24:28,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (1/1) ... [2024-11-09 01:24:28,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:24:28,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:24:28,862 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) [2024-11-09 01:24:28,872 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 [2024-11-09 01:24:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:24:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 01:24:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:24:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:24:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:24:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:24:28,971 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:24:28,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:24:34,623 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 01:24:34,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:24:34,638 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:24:34,638 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:24:34,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:34 BoogieIcfgContainer [2024-11-09 01:24:34,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:24:34,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:24:34,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:24:34,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:24:34,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:24:28" (1/3) ... [2024-11-09 01:24:34,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d520f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:34, skipping insertion in model container [2024-11-09 01:24:34,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:28" (2/3) ... [2024-11-09 01:24:34,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d520f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:34, skipping insertion in model container [2024-11-09 01:24:34,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:34" (3/3) ... [2024-11-09 01:24:34,647 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-78.i [2024-11-09 01:24:34,661 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:24:34,661 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:24:34,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:24:34,712 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;@6097792b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:24:34,712 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:24:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 01:24:34,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 01:24:34,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:34,723 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:34,724 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:34,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:34,729 INFO L85 PathProgramCache]: Analyzing trace with hash 796298402, now seen corresponding path program 1 times [2024-11-09 01:24:34,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 01:24:34,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820828248] [2024-11-09 01:24:34,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:34,744 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 [2024-11-09 01:24:34,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 01:24:34,746 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) [2024-11-09 01:24:34,747 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 [2024-11-09 01:24:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:35,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:24:35,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:24:35,570 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 01:24:35,571 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:24:35,571 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 01:24:35,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820828248] [2024-11-09 01:24:35,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820828248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:24:35,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:24:35,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:24:35,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600600158] [2024-11-09 01:24:35,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:24:35,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:24:35,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 01:24:35,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:24:35,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:24:35,601 INFO L87 Difference]: Start difference. First operand has 44 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 01:24:39,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:24:41,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:24:41,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:24:41,688 INFO L93 Difference]: Finished difference Result 118 states and 194 transitions. [2024-11-09 01:24:41,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:24:41,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 72 [2024-11-09 01:24:41,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:24:41,723 INFO L225 Difference]: With dead ends: 118 [2024-11-09 01:24:41,723 INFO L226 Difference]: Without dead ends: 77 [2024-11-09 01:24:41,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:24:41,728 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 12 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:24:41,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 146 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-11-09 01:24:41,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-09 01:24:41,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-11-09 01:24:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 51 states have internal predecessors, (62), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 01:24:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2024-11-09 01:24:41,778 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 72 [2024-11-09 01:24:41,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:24:41,778 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-11-09 01:24:41,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 01:24:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-11-09 01:24:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 01:24:41,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:41,784 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:41,796 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 [2024-11-09 01:24:41,988 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 [2024-11-09 01:24:41,989 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:41,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:41,990 INFO L85 PathProgramCache]: Analyzing trace with hash 798145444, now seen corresponding path program 1 times [2024-11-09 01:24:41,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 01:24:41,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380342977] [2024-11-09 01:24:41,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:41,990 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 [2024-11-09 01:24:41,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 01:24:41,992 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) [2024-11-09 01:24:41,993 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 [2024-11-09 01:24:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:42,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 01:24:42,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:26:02,415 WARN L286 SmtUtils]: Spent 33.02s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)