./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.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-4.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 cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 01:19:50,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:19:50,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 01:19:50,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:19:50,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:19:50,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:19:50,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:19:50,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:19:50,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 01:19:50,295 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 01:19:50,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:19:50,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:19:50,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:19:50,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:19:50,296 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 01:19:50,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:19:50,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:19:50,297 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:19:50,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:19:50,298 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:19:50,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:19:50,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:19:50,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:19:50,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:19:50,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:19:50,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:19:50,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:19:50,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:19:50,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:19:50,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:19:50,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:19:50,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:19:50,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:19:50,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:19:50,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:19:50,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:19:50,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 01:19:50,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:19:50,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:19:50,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 01:19:50,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 01:19:50,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:19:50,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b [2024-11-09 01:19:50,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:19:50,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:19:50,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:19:50,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:19:50,596 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:19:50,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2024-11-09 01:19:51,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:19:52,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:19:52,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2024-11-09 01:19:52,102 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d3967ff/c3469165c4d7475896c62c7d42bde368/FLAG7fe7f863d [2024-11-09 01:19:52,117 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d3967ff/c3469165c4d7475896c62c7d42bde368 [2024-11-09 01:19:52,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:19:52,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:19:52,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:19:52,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:19:52,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:19:52,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52, skipping insertion in model container [2024-11-09 01:19:52,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:19:52,294 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-4.i[912,925] [2024-11-09 01:19:52,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:19:52,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:19:52,362 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-4.i[912,925] [2024-11-09 01:19:52,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:19:52,392 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:19:52,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52 WrapperNode [2024-11-09 01:19:52,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:19:52,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:19:52,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:19:52,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:19:52,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,465 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2024-11-09 01:19:52,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:19:52,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:19:52,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:19:52,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:19:52,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,536 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 01:19:52,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:19:52,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:19:52,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:19:52,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:19:52,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (1/1) ... [2024-11-09 01:19:52,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:19:52,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:19:52,576 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 01:19:52,580 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 01:19:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:19:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:19:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:19:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 01:19:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:19:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:19:52,676 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:19:52,679 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:19:52,892 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 01:19:52,892 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:19:52,900 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:19:52,900 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:19:52,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:19:52 BoogieIcfgContainer [2024-11-09 01:19:52,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:19:52,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:19:52,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:19:52,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:19:52,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:19:52" (1/3) ... [2024-11-09 01:19:52,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8f7948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:19:52, skipping insertion in model container [2024-11-09 01:19:52,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:52" (2/3) ... [2024-11-09 01:19:52,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8f7948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:19:52, skipping insertion in model container [2024-11-09 01:19:52,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:19:52" (3/3) ... [2024-11-09 01:19:52,908 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-4.i [2024-11-09 01:19:52,919 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:19:52,919 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:19:52,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:19:52,967 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;@323435ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:19:52,967 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:19:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 01:19:52,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 01:19:52,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:19:52,981 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:52,982 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:19:52,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:19:52,986 INFO L85 PathProgramCache]: Analyzing trace with hash 373793549, now seen corresponding path program 1 times [2024-11-09 01:19:52,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:19:52,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225028385] [2024-11-09 01:19:52,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:19:52,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:19:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:19:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:19:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 01:19:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 01:19:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 01:19:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 01:19:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 01:19:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 01:19:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 01:19:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 01:19:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 01:19:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 01:19:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 01:19:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 01:19:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 01:19:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:53,288 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 01:19:53,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:19:53,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225028385] [2024-11-09 01:19:53,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225028385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:19:53,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:19:53,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:19:53,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118932606] [2024-11-09 01:19:53,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:19:53,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:19:53,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:19:53,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:19:53,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:19:53,320 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 01:19:53,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:19:53,344 INFO L93 Difference]: Finished difference Result 87 states and 145 transitions. [2024-11-09 01:19:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:19:53,346 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2024-11-09 01:19:53,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:19:53,353 INFO L225 Difference]: With dead ends: 87 [2024-11-09 01:19:53,353 INFO L226 Difference]: Without dead ends: 43 [2024-11-09 01:19:53,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:19:53,358 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:19:53,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:19:53,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-09 01:19:53,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-09 01:19:53,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 01:19:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-11-09 01:19:53,391 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 96 [2024-11-09 01:19:53,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:19:53,391 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-11-09 01:19:53,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 01:19:53,392 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-09 01:19:53,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 01:19:53,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:19:53,395 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:53,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:19:53,395 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:19:53,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:19:53,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1332353645, now seen corresponding path program 1 times [2024-11-09 01:19:53,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:19:53,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014500940] [2024-11-09 01:19:53,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:19:53,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:19:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:19:53,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [23011017] [2024-11-09 01:19:53,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:19:53,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:19:53,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:19:53,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:19:53,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:19:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:19:53,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:19:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:19:54,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 01:19:54,059 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:19:54,061 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:19:54,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 01:19:54,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:19:54,267 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 01:19:54,335 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:19:54,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:19:54 BoogieIcfgContainer [2024-11-09 01:19:54,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:19:54,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:19:54,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:19:54,338 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:19:54,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:19:52" (3/4) ... [2024-11-09 01:19:54,341 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:19:54,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:19:54,342 INFO L158 Benchmark]: Toolchain (without parser) took 2220.43ms. Allocated memory is still 180.4MB. Free memory was 113.9MB in the beginning and 132.8MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:19:54,342 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 85.0MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:19:54,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.07ms. Allocated memory is still 180.4MB. Free memory was 113.7MB in the beginning and 99.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:19:54,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.71ms. Allocated memory is still 180.4MB. Free memory was 99.0MB in the beginning and 151.9MB in the end (delta: -52.9MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-11-09 01:19:54,343 INFO L158 Benchmark]: Boogie Preprocessor took 82.69ms. Allocated memory is still 180.4MB. Free memory was 151.9MB in the beginning and 146.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:19:54,343 INFO L158 Benchmark]: RCFGBuilder took 351.79ms. Allocated memory is still 180.4MB. Free memory was 146.9MB in the beginning and 129.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 01:19:54,344 INFO L158 Benchmark]: TraceAbstraction took 1434.91ms. Allocated memory is still 180.4MB. Free memory was 128.5MB in the beginning and 132.8MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:19:54,344 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 180.4MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:19:54,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 85.0MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.07ms. Allocated memory is still 180.4MB. Free memory was 113.7MB in the beginning and 99.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.71ms. Allocated memory is still 180.4MB. Free memory was 99.0MB in the beginning and 151.9MB in the end (delta: -52.9MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.69ms. Allocated memory is still 180.4MB. Free memory was 151.9MB in the beginning and 146.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 351.79ms. Allocated memory is still 180.4MB. Free memory was 146.9MB in the beginning and 129.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1434.91ms. Allocated memory is still 180.4MB. Free memory was 128.5MB in the beginning and 132.8MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 180.4MB. Free memory is still 132.8MB. 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 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] signed short int var_1_3 = -25; [L24] unsigned short int var_1_7 = 4; [L25] unsigned char var_1_8 = 4; [L26] unsigned char var_1_10 = 4; [L27] unsigned char var_1_11 = 8; [L28] unsigned long int var_1_12 = 10; [L29] float var_1_13 = 99.6; [L30] float var_1_14 = 127.5; [L31] float var_1_15 = 16.5; [L32] float var_1_16 = 256.5; [L33] unsigned long int var_1_17 = 4288034294; [L34] unsigned char var_1_18 = 0; [L35] unsigned long int last_1_var_1_12 = 10; [L36] unsigned char last_1_var_1_18 = 0; VAL [isInitial=0, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] CALL updateLastVariables() [L87] last_1_var_1_12 = var_1_12 [L88] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L98] RET updateLastVariables() [L99] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L63] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L64] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L64] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L65] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L65] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L66] var_1_10 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L67] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L68] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L68] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L71] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L71] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L72] var_1_13 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L73] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L74] var_1_14 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L75] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L76] var_1_15 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L77] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L78] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L78] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L79] var_1_16 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L80] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L81] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L81] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L82] var_1_17 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L83] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L84] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L84] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L99] RET updateVariables() [L100] CALL step() [L40] unsigned long int stepLocal_2 = last_1_var_1_12 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=4] [L41] COND TRUE stepLocal_2 != (last_1_var_1_18 - 64) [L42] var_1_8 = ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=254] [L46] COND TRUE (- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L47] var_1_12 = (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=754, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=256, var_1_7=4, var_1_8=254] [L51] var_1_18 = var_1_11 [L52] var_1_7 = var_1_18 [L53] signed long int stepLocal_1 = - var_1_3; [L54] signed long int stepLocal_0 = var_1_7 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_0=0, stepLocal_1=-256, var_1_10=-2, var_1_11=510, var_1_12=754, var_1_17=-6442450945, var_1_18=510, var_1_1=5, var_1_3=256, var_1_7=254, var_1_8=254] [L55] COND FALSE !(stepLocal_0 >= var_1_7) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_1=-256, var_1_10=-2, var_1_11=510, var_1_12=754, var_1_17=-6442450945, var_1_18=510, var_1_1=5, var_1_3=256, var_1_7=254, var_1_8=254] [L100] RET step() [L101] CALL, EXPR property() [L91-L92] return ((((((var_1_7 / var_1_3) >= var_1_7) ? (((- var_1_3) > var_1_7) ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) : 1) : 1) && (var_1_7 == ((unsigned short int) var_1_18))) && (((last_1_var_1_12 / var_1_3) != (last_1_var_1_18 - 64)) ? (var_1_8 == ((unsigned char) ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) : (var_1_8 == ((unsigned char) ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))))) && (((- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? (var_1_12 == ((unsigned long int) (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))))) : (var_1_12 == ((unsigned long int) (var_1_17 - var_1_10))))) && (var_1_18 == ((unsigned char) var_1_11)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=754, var_1_17=-6442450945, var_1_18=510, var_1_1=5, var_1_3=256, var_1_7=254, var_1_8=254] [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=754, var_1_17=-6442450945, var_1_18=510, var_1_1=5, var_1_3=256, var_1_7=254, var_1_8=254] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-2, var_1_11=510, var_1_12=754, var_1_17=-6442450945, var_1_18=510, var_1_1=5, var_1_3=256, var_1_7=254, var_1_8=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 61 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 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 01:19:54,371 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-4.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 cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 01:19:56,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:19:56,318 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 01:19:56,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:19:56,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:19:56,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:19:56,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:19:56,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:19:56,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 01:19:56,352 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 01:19:56,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:19:56,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:19:56,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:19:56,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:19:56,353 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 01:19:56,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:19:56,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:19:56,357 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:19:56,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:19:56,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:19:56,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:19:56,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:19:56,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:19:56,361 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:19:56,361 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:19:56,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:19:56,362 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:19:56,362 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:19:56,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:19:56,362 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:19:56,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:19:56,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:19:56,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:19:56,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:19:56,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:19:56,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:19:56,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:19:56,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:19:56,365 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 01:19:56,365 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:19:56,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:19:56,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 01:19:56,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 01:19:56,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:19:56,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b [2024-11-09 01:19:56,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:19:56,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:19:56,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:19:56,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:19:56,673 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:19:56,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2024-11-09 01:19:58,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:19:58,255 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:19:58,256 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2024-11-09 01:19:58,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63298df27/b15f036b652e4e2c90a19a4392a6c5a6/FLAGf0e261ee7 [2024-11-09 01:19:58,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63298df27/b15f036b652e4e2c90a19a4392a6c5a6 [2024-11-09 01:19:58,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:19:58,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:19:58,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:19:58,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:19:58,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:19:58,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dde3f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58, skipping insertion in model container [2024-11-09 01:19:58,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:19:58,438 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-4.i[912,925] [2024-11-09 01:19:58,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:19:58,486 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:19:58,496 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-4.i[912,925] [2024-11-09 01:19:58,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:19:58,536 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:19:58,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58 WrapperNode [2024-11-09 01:19:58,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:19:58,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:19:58,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:19:58,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:19:58,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,578 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-09 01:19:58,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:19:58,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:19:58,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:19:58,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:19:58,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,612 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 01:19:58,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:19:58,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:19:58,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:19:58,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:19:58,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (1/1) ... [2024-11-09 01:19:58,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:19:58,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:19:58,670 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 01:19:58,673 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 01:19:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:19:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 01:19:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:19:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:19:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:19:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:19:58,760 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:19:58,761 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:20:10,706 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 01:20:10,707 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:20:10,716 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:20:10,717 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:20:10,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:20:10 BoogieIcfgContainer [2024-11-09 01:20:10,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:20:10,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:20:10,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:20:10,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:20:10,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:19:58" (1/3) ... [2024-11-09 01:20:10,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2fe274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:20:10, skipping insertion in model container [2024-11-09 01:20:10,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:58" (2/3) ... [2024-11-09 01:20:10,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2fe274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:20:10, skipping insertion in model container [2024-11-09 01:20:10,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:20:10" (3/3) ... [2024-11-09 01:20:10,724 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-4.i [2024-11-09 01:20:10,737 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:20:10,737 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:20:10,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:20:10,796 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;@2b05a601, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:20:10,798 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:20:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 01:20:10,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 01:20:10,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:20:10,811 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:10,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:20:10,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:20:10,816 INFO L85 PathProgramCache]: Analyzing trace with hash 373793549, now seen corresponding path program 1 times [2024-11-09 01:20:10,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 01:20:10,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175667824] [2024-11-09 01:20:10,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:20:10,830 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 01:20:10,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 01:20:10,834 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 01:20:10,835 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 01:20:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:20:11,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:20:11,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:20:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-09 01:20:11,321 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:20:11,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 01:20:11,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175667824] [2024-11-09 01:20:11,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175667824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:20:11,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:20:11,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:20:11,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376522051] [2024-11-09 01:20:11,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:20:11,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:20:11,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 01:20:11,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:20:11,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:20:11,343 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 01:20:11,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:20:11,359 INFO L93 Difference]: Finished difference Result 87 states and 145 transitions. [2024-11-09 01:20:11,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:20:11,361 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 96 [2024-11-09 01:20:11,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:20:11,366 INFO L225 Difference]: With dead ends: 87 [2024-11-09 01:20:11,366 INFO L226 Difference]: Without dead ends: 43 [2024-11-09 01:20:11,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:20:11,371 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:20:11,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:20:11,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-09 01:20:11,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-09 01:20:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 01:20:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-11-09 01:20:11,399 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 96 [2024-11-09 01:20:11,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:20:11,400 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-11-09 01:20:11,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 01:20:11,400 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-09 01:20:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 01:20:11,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:20:11,403 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:11,418 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 01:20:11,607 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 01:20:11,608 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:20:11,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:20:11,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1332353645, now seen corresponding path program 1 times [2024-11-09 01:20:11,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 01:20:11,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116004864] [2024-11-09 01:20:11,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:20:11,610 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 01:20:11,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 01:20:11,615 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 01:20:11,616 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 01:20:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:20:12,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 01:20:12,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:20:23,594 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:20:31,818 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:20:40,050 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:20:48,279 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:20:54,809 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:21:03,025 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:21:11,240 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:21:19,340 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:21:27,567 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:21:35,804 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)