./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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-95.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 afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 12:29:05,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 12:29:05,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 12:29:05,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 12:29:05,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 12:29:05,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 12:29:05,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 12:29:05,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 12:29:05,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 12:29:05,829 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 12:29:05,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 12:29:05,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 12:29:05,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 12:29:05,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 12:29:05,830 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 12:29:05,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 12:29:05,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 12:29:05,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 12:29:05,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 12:29:05,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 12:29:05,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 12:29:05,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 12:29:05,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 12:29:05,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 12:29:05,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 12:29:05,834 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 12:29:05,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 12:29:05,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 12:29:05,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 12:29:05,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 12:29:05,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 12:29:05,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 12:29:05,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:29:05,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 12:29:05,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 12:29:05,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 12:29:05,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 12:29:05,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 12:29:05,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 12:29:05,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 12:29:05,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 12:29:05,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 12:29:05,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab [2024-11-22 12:29:06,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 12:29:06,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 12:29:06,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 12:29:06,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 12:29:06,062 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 12:29:06,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2024-11-22 12:29:07,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 12:29:07,519 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 12:29:07,520 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2024-11-22 12:29:07,528 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c94b60925/ae900d82e4454ae495fecb0e5d1fcb33/FLAG664f6cddc [2024-11-22 12:29:07,920 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c94b60925/ae900d82e4454ae495fecb0e5d1fcb33 [2024-11-22 12:29:07,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 12:29:07,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 12:29:07,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 12:29:07,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 12:29:07,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 12:29:07,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:29:07" (1/1) ... [2024-11-22 12:29:07,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4862ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:07, skipping insertion in model container [2024-11-22 12:29:07,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:29:07" (1/1) ... [2024-11-22 12:29:07,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 12:29:08,097 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-95.i[913,926] [2024-11-22 12:29:08,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:29:08,151 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 12:29:08,175 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-95.i[913,926] [2024-11-22 12:29:08,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:29:08,234 INFO L204 MainTranslator]: Completed translation [2024-11-22 12:29:08,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08 WrapperNode [2024-11-22 12:29:08,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 12:29:08,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 12:29:08,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 12:29:08,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 12:29:08,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,273 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2024-11-22 12:29:08,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 12:29:08,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 12:29:08,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 12:29:08,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 12:29:08,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,301 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]. [2024-11-22 12:29:08,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 12:29:08,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 12:29:08,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 12:29:08,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 12:29:08,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (1/1) ... [2024-11-22 12:29:08,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:29:08,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:29:08,348 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) [2024-11-22 12:29:08,351 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 [2024-11-22 12:29:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 12:29:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 12:29:08,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 12:29:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 12:29:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 12:29:08,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 12:29:08,453 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 12:29:08,455 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 12:29:08,701 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-22 12:29:08,701 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 12:29:08,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 12:29:08,710 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 12:29:08,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:29:08 BoogieIcfgContainer [2024-11-22 12:29:08,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 12:29:08,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 12:29:08,712 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 12:29:08,714 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 12:29:08,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:29:07" (1/3) ... [2024-11-22 12:29:08,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d3f450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:29:08, skipping insertion in model container [2024-11-22 12:29:08,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:08" (2/3) ... [2024-11-22 12:29:08,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d3f450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:29:08, skipping insertion in model container [2024-11-22 12:29:08,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:29:08" (3/3) ... [2024-11-22 12:29:08,717 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-95.i [2024-11-22 12:29:08,728 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 12:29:08,728 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 12:29:08,769 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 12:29:08,774 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;@3298b1cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 12:29:08,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 12:29:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 12:29:08,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-22 12:29:08,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:29:08,786 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:29:08,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:29:08,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:29:08,792 INFO L85 PathProgramCache]: Analyzing trace with hash -483140881, now seen corresponding path program 1 times [2024-11-22 12:29:08,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:29:08,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417861430] [2024-11-22 12:29:08,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:29:08,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:29:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:29:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-22 12:29:09,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:29:09,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417861430] [2024-11-22 12:29:09,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417861430] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 12:29:09,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236135990] [2024-11-22 12:29:09,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:29:09,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 12:29:09,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:29:09,035 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) [2024-11-22 12:29:09,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 12:29:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:29:09,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 12:29:09,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:29:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-22 12:29:09,175 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 12:29:09,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236135990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:29:09,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 12:29:09,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 12:29:09,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187593274] [2024-11-22 12:29:09,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:29:09,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 12:29:09,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:29:09,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 12:29:09,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:29:09,199 INFO L87 Difference]: Start difference. First operand has 64 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 12:29:09,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:29:09,218 INFO L93 Difference]: Finished difference Result 121 states and 196 transitions. [2024-11-22 12:29:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 12:29:09,220 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2024-11-22 12:29:09,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:29:09,226 INFO L225 Difference]: With dead ends: 121 [2024-11-22 12:29:09,226 INFO L226 Difference]: Without dead ends: 60 [2024-11-22 12:29:09,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:29:09,231 INFO L432 NwaCegarLoop]: 86 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, 86 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 [2024-11-22 12:29:09,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 12:29:09,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-22 12:29:09,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-22 12:29:09,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 12:29:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2024-11-22 12:29:09,265 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 107 [2024-11-22 12:29:09,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:29:09,265 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2024-11-22 12:29:09,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 12:29:09,265 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2024-11-22 12:29:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-22 12:29:09,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:29:09,270 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:29:09,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 12:29:09,471 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 [2024-11-22 12:29:09,471 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:29:09,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:29:09,472 INFO L85 PathProgramCache]: Analyzing trace with hash -466849305, now seen corresponding path program 1 times [2024-11-22 12:29:09,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:29:09,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800815033] [2024-11-22 12:29:09,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:29:09,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:29:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:29:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-22 12:29:09,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:29:09,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800815033] [2024-11-22 12:29:09,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800815033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:29:09,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:29:09,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 12:29:09,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815240591] [2024-11-22 12:29:09,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:29:09,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 12:29:09,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:29:09,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 12:29:09,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:29:09,793 INFO L87 Difference]: Start difference. First operand 60 states and 86 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-22 12:29:09,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:29:09,819 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2024-11-22 12:29:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 12:29:09,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 107 [2024-11-22 12:29:09,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:29:09,822 INFO L225 Difference]: With dead ends: 118 [2024-11-22 12:29:09,823 INFO L226 Difference]: Without dead ends: 61 [2024-11-22 12:29:09,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:29:09,825 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 12:29:09,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 12:29:09,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-22 12:29:09,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-22 12:29:09,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 12:29:09,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 87 transitions. [2024-11-22 12:29:09,836 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 87 transitions. Word has length 107 [2024-11-22 12:29:09,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:29:09,838 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 87 transitions. [2024-11-22 12:29:09,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-22 12:29:09,839 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2024-11-22 12:29:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-22 12:29:09,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:29:09,841 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:29:09,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 12:29:09,841 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:29:09,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:29:09,842 INFO L85 PathProgramCache]: Analyzing trace with hash -173030421, now seen corresponding path program 1 times [2024-11-22 12:29:09,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:29:09,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708557925] [2024-11-22 12:29:09,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:29:09,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:29:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 12:29:09,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1043946978] [2024-11-22 12:29:09,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:29:09,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 12:29:09,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:29:09,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 12:29:09,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 12:29:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 12:29:09,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 12:29:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 12:29:10,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 12:29:10,076 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 12:29:10,077 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 12:29:10,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 12:29:10,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-22 12:29:10,282 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-22 12:29:10,345 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 12:29:10,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:29:10 BoogieIcfgContainer [2024-11-22 12:29:10,348 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 12:29:10,349 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 12:29:10,349 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 12:29:10,349 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 12:29:10,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:29:08" (3/4) ... [2024-11-22 12:29:10,351 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 12:29:10,352 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 12:29:10,353 INFO L158 Benchmark]: Toolchain (without parser) took 2429.27ms. Allocated memory is still 163.6MB. Free memory was 96.6MB in the beginning and 76.0MB in the end (delta: 20.6MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-22 12:29:10,353 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 12:29:10,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.07ms. Allocated memory is still 163.6MB. Free memory was 96.4MB in the beginning and 135.0MB in the end (delta: -38.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-22 12:29:10,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.91ms. Allocated memory is still 163.6MB. Free memory was 135.0MB in the beginning and 131.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 12:29:10,354 INFO L158 Benchmark]: Boogie Preprocessor took 43.64ms. Allocated memory is still 163.6MB. Free memory was 131.6MB in the beginning and 126.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 12:29:10,354 INFO L158 Benchmark]: RCFGBuilder took 392.39ms. Allocated memory is still 163.6MB. Free memory was 126.6MB in the beginning and 106.3MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-22 12:29:10,354 INFO L158 Benchmark]: TraceAbstraction took 1636.37ms. Allocated memory is still 163.6MB. Free memory was 105.7MB in the beginning and 77.0MB in the end (delta: 28.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-22 12:29:10,355 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 163.6MB. Free memory was 77.0MB in the beginning and 76.0MB in the end (delta: 942.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 12:29:10,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.07ms. Allocated memory is still 163.6MB. Free memory was 96.4MB in the beginning and 135.0MB in the end (delta: -38.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.91ms. Allocated memory is still 163.6MB. Free memory was 135.0MB in the beginning and 131.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.64ms. Allocated memory is still 163.6MB. Free memory was 131.6MB in the beginning and 126.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 392.39ms. Allocated memory is still 163.6MB. Free memory was 126.6MB in the beginning and 106.3MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1636.37ms. Allocated memory is still 163.6MB. Free memory was 105.7MB in the beginning and 77.0MB in the end (delta: 28.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 163.6MB. Free memory was 77.0MB in the beginning and 76.0MB in the end (delta: 942.8kB). Peak memory consumption was 2.1MB. 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 88, overapproximation of shiftRight at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] float var_1_3 = 1.8; [L24] float var_1_4 = 8.54; [L25] float var_1_5 = 255.8; [L26] float var_1_6 = 50.4; [L27] unsigned char var_1_7 = 0; [L28] unsigned long int var_1_8 = 8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 5; [L31] unsigned char var_1_12 = 2; [L32] signed short int var_1_13 = 0; [L33] unsigned long int var_1_14 = 16; [L34] signed char var_1_16 = -1; [L35] signed char var_1_17 = -16; [L36] unsigned char last_1_var_1_7 = 0; VAL [isInitial=0, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_4=427/50, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] CALL updateLastVariables() [L85] last_1_var_1_7 = var_1_7 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_4=427/50, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L95] RET updateLastVariables() [L96] CALL updateVariables() [L58] var_1_4 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L59] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L60] var_1_5 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L61] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L62] var_1_6 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=8] [L63] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=8] [L64] var_1_8 = __VERIFIER_nondet_ulong() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0] [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0] [L66] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L66] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L67] var_1_10 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L68] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L69] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L69] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L70] var_1_11 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L71] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L72] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L72] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L73] var_1_12 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L74] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L75] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L75] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L76] var_1_14 = __VERIFIER_nondet_ulong() [L77] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L77] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L78] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L78] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L79] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L80] var_1_17 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L81] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L82] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L82] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L96] RET updateVariables() [L97] CALL step() [L40] var_1_1 = ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))) [L41] var_1_3 = ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f))))) [L42] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=0, var_1_8=0] [L43] EXPR var_1_16 & var_1_1 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=0, var_1_8=0] [L43] signed long int stepLocal_0 = var_1_16 & var_1_1; [L44] COND TRUE (- (3351680781u - var_1_8)) > stepLocal_0 [L45] var_1_7 = (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L47] EXPR var_1_7 >> var_1_7 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L47] COND TRUE (var_1_16 / var_1_14) < (var_1_7 >> var_1_7) [L48] var_1_13 = ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L97] RET step() [L98] CALL, EXPR property() [L88] EXPR ((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L88] EXPR (((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256)))) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L88-L89] return ((((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256))))) && (var_1_16 == ((signed char) var_1_17)) ; [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-256, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 16, 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, 251 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 171 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 537 NumberOfCodeBlocks, 537 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 318 ConstructedInterpolants, 0 QuantifiedInterpolants, 326 SizeOfPredicates, 0 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1410/1440 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 [2024-11-22 12:29:10,377 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/current/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-95.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 afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 12:29:12,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 12:29:12,317 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 12:29:12,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 12:29:12,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 12:29:12,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 12:29:12,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 12:29:12,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 12:29:12,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 12:29:12,345 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 12:29:12,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 12:29:12,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 12:29:12,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 12:29:12,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 12:29:12,347 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 12:29:12,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 12:29:12,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 12:29:12,348 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 12:29:12,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 12:29:12,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 12:29:12,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 12:29:12,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 12:29:12,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 12:29:12,351 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 12:29:12,351 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 12:29:12,351 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 12:29:12,351 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 12:29:12,352 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 12:29:12,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 12:29:12,352 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 12:29:12,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 12:29:12,353 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 12:29:12,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 12:29:12,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 12:29:12,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:29:12,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 12:29:12,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 12:29:12,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 12:29:12,354 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 12:29:12,354 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 12:29:12,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 12:29:12,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 12:29:12,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 12:29:12,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 12:29:12,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab [2024-11-22 12:29:12,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 12:29:12,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 12:29:12,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 12:29:12,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 12:29:12,660 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 12:29:12,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2024-11-22 12:29:14,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 12:29:14,230 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 12:29:14,230 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2024-11-22 12:29:14,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e844acfe/6e15e1e6d8074f668901b5bd5cf6f750/FLAGde7f38b34 [2024-11-22 12:29:14,249 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e844acfe/6e15e1e6d8074f668901b5bd5cf6f750 [2024-11-22 12:29:14,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 12:29:14,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 12:29:14,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 12:29:14,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 12:29:14,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 12:29:14,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319e272a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14, skipping insertion in model container [2024-11-22 12:29:14,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 12:29:14,436 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-95.i[913,926] [2024-11-22 12:29:14,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:29:14,501 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 12:29:14,512 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-95.i[913,926] [2024-11-22 12:29:14,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:29:14,552 INFO L204 MainTranslator]: Completed translation [2024-11-22 12:29:14,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14 WrapperNode [2024-11-22 12:29:14,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 12:29:14,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 12:29:14,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 12:29:14,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 12:29:14,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,598 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-22 12:29:14,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 12:29:14,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 12:29:14,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 12:29:14,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 12:29:14,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,616 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,631 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]. [2024-11-22 12:29:14,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 12:29:14,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 12:29:14,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 12:29:14,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 12:29:14,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (1/1) ... [2024-11-22 12:29:14,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:29:14,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:29:14,674 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) [2024-11-22 12:29:14,679 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 [2024-11-22 12:29:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 12:29:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 12:29:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 12:29:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 12:29:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 12:29:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 12:29:14,776 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 12:29:14,779 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 12:29:15,617 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-22 12:29:15,618 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 12:29:15,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 12:29:15,631 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 12:29:15,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:29:15 BoogieIcfgContainer [2024-11-22 12:29:15,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 12:29:15,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 12:29:15,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 12:29:15,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 12:29:15,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:29:14" (1/3) ... [2024-11-22 12:29:15,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec8b5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:29:15, skipping insertion in model container [2024-11-22 12:29:15,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:29:14" (2/3) ... [2024-11-22 12:29:15,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec8b5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:29:15, skipping insertion in model container [2024-11-22 12:29:15,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:29:15" (3/3) ... [2024-11-22 12:29:15,640 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-95.i [2024-11-22 12:29:15,652 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 12:29:15,653 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 12:29:15,704 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 12:29:15,709 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;@4d346e7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 12:29:15,709 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 12:29:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 12:29:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 12:29:15,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:29:15,722 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:29:15,723 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:29:15,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:29:15,727 INFO L85 PathProgramCache]: Analyzing trace with hash -934264968, now seen corresponding path program 1 times [2024-11-22 12:29:15,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 12:29:15,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971621672] [2024-11-22 12:29:15,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:29:15,737 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 [2024-11-22 12:29:15,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 12:29:15,739 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) [2024-11-22 12:29:15,740 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 [2024-11-22 12:29:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:29:16,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 12:29:16,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:29:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-22 12:29:16,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 12:29:16,103 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 12:29:16,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971621672] [2024-11-22 12:29:16,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1971621672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:29:16,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:29:16,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 12:29:16,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076080373] [2024-11-22 12:29:16,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:29:16,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 12:29:16,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 12:29:16,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 12:29:16,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:29:16,131 INFO L87 Difference]: Start difference. First operand has 47 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 12:29:16,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:29:16,150 INFO L93 Difference]: Finished difference Result 87 states and 146 transitions. [2024-11-22 12:29:16,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 12:29:16,155 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 100 [2024-11-22 12:29:16,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:29:16,160 INFO L225 Difference]: With dead ends: 87 [2024-11-22 12:29:16,160 INFO L226 Difference]: Without dead ends: 43 [2024-11-22 12:29:16,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:29:16,165 INFO L432 NwaCegarLoop]: 60 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, 60 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 [2024-11-22 12:29:16,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 12:29:16,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-22 12:29:16,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-22 12:29:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 12:29:16,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2024-11-22 12:29:16,203 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 100 [2024-11-22 12:29:16,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:29:16,203 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2024-11-22 12:29:16,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 12:29:16,204 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-11-22 12:29:16,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 12:29:16,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:29:16,207 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:29:16,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-22 12:29:16,409 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 [2024-11-22 12:29:16,410 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:29:16,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:29:16,411 INFO L85 PathProgramCache]: Analyzing trace with hash 905658301, now seen corresponding path program 1 times [2024-11-22 12:29:16,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 12:29:16,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64176171] [2024-11-22 12:29:16,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:29:16,412 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 [2024-11-22 12:29:16,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 12:29:16,413 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) [2024-11-22 12:29:16,415 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 [2024-11-22 12:29:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:29:16,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 12:29:16,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:29:56,168 WARN L286 SmtUtils]: Spent 15.76s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-22 12:30:46,990 WARN L286 SmtUtils]: Spent 22.31s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)