./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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-26.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 d7e659b96a0386c33666b14cebf96cf19ddf082c15cb9fb8aae13e29882f6732 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 09:02:28,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 09:02:28,174 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 09:02:28,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 09:02:28,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 09:02:28,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 09:02:28,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 09:02:28,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 09:02:28,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 09:02:28,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 09:02:28,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 09:02:28,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 09:02:28,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 09:02:28,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 09:02:28,210 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 09:02:28,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 09:02:28,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 09:02:28,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 09:02:28,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 09:02:28,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 09:02:28,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 09:02:28,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 09:02:28,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 09:02:28,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 09:02:28,214 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 09:02:28,214 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 09:02:28,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 09:02:28,215 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 09:02:28,215 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 09:02:28,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 09:02:28,216 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 09:02:28,216 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 09:02:28,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:02:28,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 09:02:28,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 09:02:28,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 09:02:28,217 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 09:02:28,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 09:02:28,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 09:02:28,217 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 09:02:28,217 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 09:02:28,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 09:02:28,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7e659b96a0386c33666b14cebf96cf19ddf082c15cb9fb8aae13e29882f6732 [2024-11-10 09:02:28,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 09:02:28,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 09:02:28,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 09:02:28,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 09:02:28,460 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 09:02:28,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i [2024-11-10 09:02:29,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 09:02:29,916 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 09:02:29,918 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i [2024-11-10 09:02:29,935 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e1a992b/a7539d5e0f2249b992d6b7f7f6e286c2/FLAGb4c0d2594 [2024-11-10 09:02:29,950 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e1a992b/a7539d5e0f2249b992d6b7f7f6e286c2 [2024-11-10 09:02:29,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 09:02:29,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 09:02:29,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 09:02:29,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 09:02:29,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 09:02:29,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:02:29" (1/1) ... [2024-11-10 09:02:29,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e592bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:29, skipping insertion in model container [2024-11-10 09:02:29,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:02:29" (1/1) ... [2024-11-10 09:02:29,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 09:02:30,141 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-26.i[913,926] [2024-11-10 09:02:30,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:02:30,213 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 09:02:30,222 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-26.i[913,926] [2024-11-10 09:02:30,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:02:30,250 INFO L204 MainTranslator]: Completed translation [2024-11-10 09:02:30,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30 WrapperNode [2024-11-10 09:02:30,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 09:02:30,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 09:02:30,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 09:02:30,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 09:02:30,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,348 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 81 [2024-11-10 09:02:30,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 09:02:30,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 09:02:30,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 09:02:30,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 09:02:30,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,384 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,411 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]. [2024-11-10 09:02:30,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,423 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 09:02:30,439 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 09:02:30,439 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 09:02:30,439 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 09:02:30,440 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (1/1) ... [2024-11-10 09:02:30,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:02:30,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:02:30,470 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) [2024-11-10 09:02:30,475 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 [2024-11-10 09:02:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 09:02:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 09:02:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 09:02:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 09:02:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 09:02:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 09:02:30,585 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 09:02:30,587 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 09:02:30,815 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-10 09:02:30,815 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 09:02:30,825 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 09:02:30,825 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 09:02:30,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:02:30 BoogieIcfgContainer [2024-11-10 09:02:30,825 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 09:02:30,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 09:02:30,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 09:02:30,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 09:02:30,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:02:29" (1/3) ... [2024-11-10 09:02:30,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645ae592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:02:30, skipping insertion in model container [2024-11-10 09:02:30,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:30" (2/3) ... [2024-11-10 09:02:30,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645ae592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:02:30, skipping insertion in model container [2024-11-10 09:02:30,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:02:30" (3/3) ... [2024-11-10 09:02:30,832 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-26.i [2024-11-10 09:02:30,845 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 09:02:30,845 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 09:02:30,889 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 09:02:30,894 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;@7fc2b4d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 09:02:30,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 09:02:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 09:02:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 09:02:30,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:02:30,907 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:02:30,908 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:02:30,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:02:30,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1911855971, now seen corresponding path program 1 times [2024-11-10 09:02:30,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:02:30,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775155519] [2024-11-10 09:02:30,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:02:30,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:02:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 09:02:31,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [482600529] [2024-11-10 09:02:31,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:02:31,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:02:31,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:02:31,138 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) [2024-11-10 09:02:31,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 09:02:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 09:02:31,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 09:02:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 09:02:31,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 09:02:31,360 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 09:02:31,361 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-10 09:02:31,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 09:02:31,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-10 09:02:31,569 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 09:02:31,610 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 09:02:31,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:02:31 BoogieIcfgContainer [2024-11-10 09:02:31,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 09:02:31,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 09:02:31,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 09:02:31,619 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 09:02:31,620 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:02:30" (3/4) ... [2024-11-10 09:02:31,622 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 09:02:31,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 09:02:31,624 INFO L158 Benchmark]: Toolchain (without parser) took 1669.11ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 96.6MB in the beginning and 132.4MB in the end (delta: -35.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-10 09:02:31,624 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 09:02:31,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.78ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 82.0MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 09:02:31,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.35ms. Allocated memory is still 167.8MB. Free memory was 82.0MB in the beginning and 134.6MB in the end (delta: -52.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-10 09:02:31,625 INFO L158 Benchmark]: Boogie Preprocessor took 82.43ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 134.6MB in the beginning and 187.9MB in the end (delta: -53.3MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-10 09:02:31,625 INFO L158 Benchmark]: IcfgBuilder took 386.46ms. Allocated memory is still 224.4MB. Free memory was 187.9MB in the beginning and 168.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 09:02:31,626 INFO L158 Benchmark]: TraceAbstraction took 787.24ms. Allocated memory is still 224.4MB. Free memory was 168.0MB in the beginning and 132.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-10 09:02:31,626 INFO L158 Benchmark]: Witness Printer took 8.08ms. Allocated memory is still 224.4MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 09:02:31,628 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.78ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 82.0MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.35ms. Allocated memory is still 167.8MB. Free memory was 82.0MB in the beginning and 134.6MB in the end (delta: -52.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.43ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 134.6MB in the beginning and 187.9MB in the end (delta: -53.3MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * IcfgBuilder took 386.46ms. Allocated memory is still 224.4MB. Free memory was 187.9MB in the beginning and 168.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 787.24ms. Allocated memory is still 224.4MB. Free memory was 168.0MB in the beginning and 132.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 8.08ms. Allocated memory is still 224.4MB. Free memory is still 132.4MB. 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 71, overapproximation of someBinaryArithmeticFLOAToperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] signed short int var_1_4 = 1; [L24] float var_1_12 = 1.125; [L25] float var_1_13 = 199.5; [L26] float var_1_14 = 100000000000000.3; [L27] unsigned char var_1_15 = 64; [L28] unsigned char var_1_16 = 2; [L29] unsigned long int var_1_17 = 50; [L30] signed long int var_1_19 = -32; [L31] float var_1_20 = 8.75; [L32] unsigned char last_1_var_1_15 = 64; VAL [isInitial=0, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=1] [L75] isInitial = 1 [L76] FCALL initially() [L77] COND TRUE 1 [L78] CALL updateLastVariables() [L68] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=1] [L78] RET updateLastVariables() [L79] CALL updateVariables() [L52] var_1_4 = __VERIFIER_nondet_short() [L53] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L53] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L54] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L54] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L55] var_1_13 = __VERIFIER_nondet_float() [L56] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L56] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_14=1000000000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L57] var_1_14 = __VERIFIER_nondet_float() [L58] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L58] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L59] var_1_16 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L60] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L61] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L61] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L62] var_1_19 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L63] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L64] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L64] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L65] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L65] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L79] RET updateVariables() [L80] CALL step() [L36] var_1_12 = ((0.85f - var_1_13) + var_1_14) VAL [isInitial=1, last_1_var_1_15=64, var_1_15=64, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L37] COND TRUE (- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4)))) [L38] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=64, var_1_15=4, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=35/4, var_1_4=-256] [L40] var_1_20 = var_1_13 VAL [isInitial=1, last_1_var_1_15=64, var_1_13=2, var_1_15=4, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=2, var_1_4=-256] [L41] COND TRUE var_1_20 > var_1_20 [L42] var_1_1 = ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))) VAL [isInitial=1, last_1_var_1_15=64, var_1_13=2, var_1_15=4, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=4, var_1_20=2, var_1_4=-256] [L46] signed long int stepLocal_0 = var_1_15 + (var_1_15 + var_1_1); VAL [isInitial=1, last_1_var_1_15=64, stepLocal_0=12, var_1_13=2, var_1_15=4, var_1_16=4, var_1_17=50, var_1_19=1, var_1_1=4, var_1_20=2, var_1_4=-256] [L47] COND TRUE stepLocal_0 != (var_1_15 * (var_1_1 / var_1_19)) [L48] var_1_17 = (((((10u) < ((var_1_1 + var_1_15))) ? (10u) : ((var_1_1 + var_1_15)))) + var_1_15) VAL [isInitial=1, last_1_var_1_15=64, var_1_13=2, var_1_15=4, var_1_16=4, var_1_17=12, var_1_19=1, var_1_1=4, var_1_20=2, var_1_4=-256] [L80] RET step() [L81] CALL, EXPR property() [L71-L72] return (((((var_1_20 > var_1_20) ? (var_1_1 == ((signed short int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : (var_1_1 == ((signed short int) (((((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) < ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))) ? ((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))))))) && (var_1_12 == ((float) ((0.85f - var_1_13) + var_1_14)))) && (((- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && (((var_1_15 + (var_1_15 + var_1_1)) != (var_1_15 * (var_1_1 / var_1_19))) ? (var_1_17 == ((unsigned long int) (((((10u) < ((var_1_1 + var_1_15))) ? (10u) : ((var_1_1 + var_1_15)))) + var_1_15))) : 1)) && (var_1_20 == ((float) var_1_13)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=64, var_1_13=2, var_1_15=4, var_1_16=4, var_1_17=12, var_1_19=1, var_1_1=4, var_1_20=2, var_1_4=-256] [L81] RET, EXPR property() [L81] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=64, var_1_13=2, var_1_15=4, var_1_16=4, var_1_17=12, var_1_19=1, var_1_1=4, var_1_20=2, var_1_4=-256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=64, var_1_13=2, var_1_15=4, var_1_16=4, var_1_17=12, var_1_19=1, var_1_1=4, var_1_20=2, var_1_4=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2024-11-10 09:02:31,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.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 d7e659b96a0386c33666b14cebf96cf19ddf082c15cb9fb8aae13e29882f6732 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 09:02:33,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 09:02:33,711 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-10 09:02:33,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 09:02:33,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 09:02:33,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 09:02:33,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 09:02:33,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 09:02:33,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 09:02:33,743 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 09:02:33,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 09:02:33,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 09:02:33,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 09:02:33,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 09:02:33,745 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 09:02:33,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 09:02:33,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 09:02:33,746 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 09:02:33,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 09:02:33,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 09:02:33,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 09:02:33,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 09:02:33,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 09:02:33,750 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 09:02:33,750 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 09:02:33,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 09:02:33,751 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 09:02:33,751 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 09:02:33,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 09:02:33,751 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 09:02:33,751 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 09:02:33,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 09:02:33,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 09:02:33,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 09:02:33,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:02:33,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 09:02:33,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 09:02:33,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 09:02:33,752 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 09:02:33,753 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 09:02:33,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 09:02:33,755 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 09:02:33,755 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 09:02:33,756 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 09:02:33,756 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7e659b96a0386c33666b14cebf96cf19ddf082c15cb9fb8aae13e29882f6732 [2024-11-10 09:02:34,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 09:02:34,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 09:02:34,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 09:02:34,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 09:02:34,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 09:02:34,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i [2024-11-10 09:02:35,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 09:02:35,911 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 09:02:35,911 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-26.i [2024-11-10 09:02:35,922 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be00ee42a/1cb9deb80d164f138d80d7c93152375a/FLAG2eee3cf65 [2024-11-10 09:02:35,936 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be00ee42a/1cb9deb80d164f138d80d7c93152375a [2024-11-10 09:02:35,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 09:02:35,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 09:02:35,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 09:02:35,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 09:02:35,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 09:02:35,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:02:35" (1/1) ... [2024-11-10 09:02:35,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c13af6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:35, skipping insertion in model container [2024-11-10 09:02:35,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:02:35" (1/1) ... [2024-11-10 09:02:35,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 09:02:36,121 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-26.i[913,926] [2024-11-10 09:02:36,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:02:36,186 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 09:02:36,197 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-26.i[913,926] [2024-11-10 09:02:36,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:02:36,244 INFO L204 MainTranslator]: Completed translation [2024-11-10 09:02:36,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36 WrapperNode [2024-11-10 09:02:36,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 09:02:36,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 09:02:36,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 09:02:36,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 09:02:36,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,282 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-11-10 09:02:36,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 09:02:36,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 09:02:36,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 09:02:36,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 09:02:36,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,316 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]. [2024-11-10 09:02:36,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,323 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 09:02:36,330 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 09:02:36,330 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 09:02:36,330 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 09:02:36,330 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (1/1) ... [2024-11-10 09:02:36,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:02:36,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:02:36,385 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) [2024-11-10 09:02:36,388 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 [2024-11-10 09:02:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 09:02:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 09:02:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 09:02:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 09:02:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 09:02:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 09:02:36,492 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 09:02:36,495 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 09:02:37,267 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-10 09:02:37,268 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 09:02:37,291 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 09:02:37,291 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 09:02:37,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:02:37 BoogieIcfgContainer [2024-11-10 09:02:37,295 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 09:02:37,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 09:02:37,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 09:02:37,300 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 09:02:37,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:02:35" (1/3) ... [2024-11-10 09:02:37,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50482fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:02:37, skipping insertion in model container [2024-11-10 09:02:37,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:02:36" (2/3) ... [2024-11-10 09:02:37,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50482fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:02:37, skipping insertion in model container [2024-11-10 09:02:37,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:02:37" (3/3) ... [2024-11-10 09:02:37,307 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-26.i [2024-11-10 09:02:37,321 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 09:02:37,321 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 09:02:37,374 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 09:02:37,378 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;@12799ab5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 09:02:37,380 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 09:02:37,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 09:02:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 09:02:37,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:02:37,392 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:02:37,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:02:37,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:02:37,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1911855971, now seen corresponding path program 1 times [2024-11-10 09:02:37,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 09:02:37,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269118621] [2024-11-10 09:02:37,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:02:37,413 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 [2024-11-10 09:02:37,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 09:02:37,419 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) [2024-11-10 09:02:37,419 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 [2024-11-10 09:02:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:02:37,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 09:02:37,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:02:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 09:02:37,635 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 09:02:37,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 09:02:37,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269118621] [2024-11-10 09:02:37,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269118621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:02:37,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:02:37,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 09:02:37,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702264162] [2024-11-10 09:02:37,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:02:37,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 09:02:37,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 09:02:37,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 09:02:37,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:02:37,664 INFO L87 Difference]: Start difference. First operand has 41 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-10 09:02:37,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:02:37,685 INFO L93 Difference]: Finished difference Result 74 states and 112 transitions. [2024-11-10 09:02:37,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 09:02:37,687 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), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 66 [2024-11-10 09:02:37,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:02:37,693 INFO L225 Difference]: With dead ends: 74 [2024-11-10 09:02:37,694 INFO L226 Difference]: Without dead ends: 36 [2024-11-10 09:02:37,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:02:37,699 INFO L432 NwaCegarLoop]: 46 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, 46 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 [2024-11-10 09:02:37,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:02:37,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-10 09:02:37,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-10 09:02:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 09:02:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2024-11-10 09:02:37,748 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 46 transitions. Word has length 66 [2024-11-10 09:02:37,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:02:37,750 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 46 transitions. [2024-11-10 09:02:37,750 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), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-10 09:02:37,750 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2024-11-10 09:02:37,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 09:02:37,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:02:37,752 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:02:37,762 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 [2024-11-10 09:02:37,956 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 [2024-11-10 09:02:37,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:02:37,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:02:37,958 INFO L85 PathProgramCache]: Analyzing trace with hash -640300990, now seen corresponding path program 1 times [2024-11-10 09:02:37,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 09:02:37,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131685468] [2024-11-10 09:02:37,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:02:37,959 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 [2024-11-10 09:02:37,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 09:02:37,960 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) [2024-11-10 09:02:37,962 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 [2024-11-10 09:02:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:02:38,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 09:02:38,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:03:44,238 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 68 proven. 30 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-10 09:03:44,238 INFO L311 TraceCheckSpWp]: Computing backward predicates...