./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.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 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 11:03:36,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 11:03:36,613 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 11:03:36,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 11:03:36,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 11:03:36,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 11:03:36,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 11:03:36,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 11:03:36,649 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 11:03:36,649 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 11:03:36,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 11:03:36,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 11:03:36,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 11:03:36,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 11:03:36,651 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 11:03:36,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 11:03:36,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 11:03:36,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 11:03:36,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 11:03:36,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 11:03:36,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 11:03:36,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 11:03:36,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 11:03:36,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 11:03:36,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 11:03:36,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 11:03:36,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 11:03:36,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 11:03:36,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 11:03:36,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 11:03:36,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 11:03:36,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 11:03:36,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:03:36,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 11:03:36,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 11:03:36,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 11:03:36,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 11:03:36,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 11:03:36,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 11:03:36,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 11:03:36,661 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 11:03:36,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 11:03:36,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 [2024-10-24 11:03:36,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 11:03:36,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 11:03:36,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 11:03:36,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 11:03:36,965 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 11:03:36,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i [2024-10-24 11:03:38,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 11:03:38,729 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 11:03:38,730 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i [2024-10-24 11:03:38,744 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b49ecd0f9/c229810fcfe24122a6cc8bd21f76abaf/FLAGe6b56f666 [2024-10-24 11:03:39,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b49ecd0f9/c229810fcfe24122a6cc8bd21f76abaf [2024-10-24 11:03:39,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 11:03:39,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 11:03:39,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 11:03:39,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 11:03:39,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 11:03:39,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633d0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39, skipping insertion in model container [2024-10-24 11:03:39,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 11:03:39,330 WARN L248 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-25.i[913,926] [2024-10-24 11:03:39,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:03:39,447 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 11:03:39,472 WARN L248 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-25.i[913,926] [2024-10-24 11:03:39,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:03:39,533 INFO L204 MainTranslator]: Completed translation [2024-10-24 11:03:39,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39 WrapperNode [2024-10-24 11:03:39,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 11:03:39,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 11:03:39,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 11:03:39,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 11:03:39,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,600 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-10-24 11:03:39,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 11:03:39,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 11:03:39,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 11:03:39,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 11:03:39,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,620 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,645 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]. [2024-10-24 11:03:39,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 11:03:39,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 11:03:39,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 11:03:39,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 11:03:39,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (1/1) ... [2024-10-24 11:03:39,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:03:39,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:03:39,714 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) [2024-10-24 11:03:39,722 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 [2024-10-24 11:03:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 11:03:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 11:03:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 11:03:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 11:03:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 11:03:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 11:03:39,872 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 11:03:39,875 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 11:03:40,143 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-24 11:03:40,144 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 11:03:40,197 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 11:03:40,198 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 11:03:40,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:40 BoogieIcfgContainer [2024-10-24 11:03:40,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 11:03:40,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 11:03:40,201 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 11:03:40,204 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 11:03:40,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:03:39" (1/3) ... [2024-10-24 11:03:40,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a75f969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:03:40, skipping insertion in model container [2024-10-24 11:03:40,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:39" (2/3) ... [2024-10-24 11:03:40,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a75f969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:03:40, skipping insertion in model container [2024-10-24 11:03:40,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:40" (3/3) ... [2024-10-24 11:03:40,207 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-25.i [2024-10-24 11:03:40,230 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 11:03:40,231 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 11:03:40,293 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 11:03:40,300 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;@15e440a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 11:03:40,300 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 11:03:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 11:03:40,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-24 11:03:40,319 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:03:40,321 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:03:40,321 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:03:40,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:03:40,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1711721589, now seen corresponding path program 1 times [2024-10-24 11:03:40,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:03:40,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782055514] [2024-10-24 11:03:40,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:03:40,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:03:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:03:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 11:03:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 11:03:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 11:03:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 11:03:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 11:03:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 11:03:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 11:03:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 11:03:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 11:03:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 11:03:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:03:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:03:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:03:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:03:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 11:03:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 11:03:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 11:03:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-24 11:03:40,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:03:40,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782055514] [2024-10-24 11:03:40,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782055514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:03:40,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:03:40,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 11:03:40,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265227195] [2024-10-24 11:03:40,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:03:40,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 11:03:40,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:03:40,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 11:03:40,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:03:40,826 INFO L87 Difference]: Start difference. First operand has 50 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 11:03:40,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:03:40,871 INFO L93 Difference]: Finished difference Result 97 states and 170 transitions. [2024-10-24 11:03:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 11:03:40,875 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 111 [2024-10-24 11:03:40,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:03:40,906 INFO L225 Difference]: With dead ends: 97 [2024-10-24 11:03:40,907 INFO L226 Difference]: Without dead ends: 48 [2024-10-24 11:03:40,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:03:40,916 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:03:40,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:03:40,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-24 11:03:41,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-24 11:03:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 11:03:41,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 72 transitions. [2024-10-24 11:03:41,012 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 72 transitions. Word has length 111 [2024-10-24 11:03:41,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:03:41,013 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 72 transitions. [2024-10-24 11:03:41,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 11:03:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2024-10-24 11:03:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-24 11:03:41,023 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:03:41,024 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:03:41,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 11:03:41,024 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:03:41,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:03:41,025 INFO L85 PathProgramCache]: Analyzing trace with hash -418151943, now seen corresponding path program 1 times [2024-10-24 11:03:41,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:03:41,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863373040] [2024-10-24 11:03:41,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:03:41,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:03:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:41,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:03:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:41,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 11:03:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 11:03:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 11:03:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 11:03:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 11:03:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 11:03:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 11:03:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 11:03:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 11:03:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 11:03:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:03:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:03:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:03:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:03:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 11:03:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 11:03:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 11:03:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,104 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-10-24 11:03:42,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:03:42,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863373040] [2024-10-24 11:03:42,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863373040] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 11:03:42,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272391676] [2024-10-24 11:03:42,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:03:42,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 11:03:42,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:03:42,111 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) [2024-10-24 11:03:42,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 11:03:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:42,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 11:03:42,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 11:03:42,411 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-10-24 11:03:42,411 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 11:03:42,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272391676] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:03:42,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 11:03:42,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 10 [2024-10-24 11:03:42,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708179331] [2024-10-24 11:03:42,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:03:42,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 11:03:42,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:03:42,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 11:03:42,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 11:03:42,416 INFO L87 Difference]: Start difference. First operand 48 states and 72 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 11:03:42,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:03:42,820 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2024-10-24 11:03:42,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 11:03:42,822 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 111 [2024-10-24 11:03:42,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:03:42,825 INFO L225 Difference]: With dead ends: 105 [2024-10-24 11:03:42,825 INFO L226 Difference]: Without dead ends: 58 [2024-10-24 11:03:42,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-10-24 11:03:42,829 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 101 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 11:03:42,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 124 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 11:03:42,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-10-24 11:03:42,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2024-10-24 11:03:42,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 11:03:42,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2024-10-24 11:03:42,853 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 111 [2024-10-24 11:03:42,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:03:42,857 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2024-10-24 11:03:42,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 11:03:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2024-10-24 11:03:42,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 11:03:42,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:03:42,861 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:03:42,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 11:03:43,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 11:03:43,062 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:03:43,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:03:43,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1371630986, now seen corresponding path program 1 times [2024-10-24 11:03:43,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:03:43,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533910675] [2024-10-24 11:03:43,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:03:43,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:03:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 11:03:43,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 11:03:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 11:03:43,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 11:03:43,317 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 11:03:43,318 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 11:03:43,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 11:03:43,322 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 11:03:43,399 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 11:03:43,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:03:43 BoogieIcfgContainer [2024-10-24 11:03:43,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 11:03:43,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 11:03:43,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 11:03:43,404 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 11:03:43,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:40" (3/4) ... [2024-10-24 11:03:43,407 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 11:03:43,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 11:03:43,409 INFO L158 Benchmark]: Toolchain (without parser) took 4293.53ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 83.8MB in the beginning and 143.8MB in the end (delta: -60.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 11:03:43,410 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 108.3MB in the end (delta: 139.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 11:03:43,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.63ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 125.2MB in the end (delta: -41.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-10-24 11:03:43,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.38ms. Allocated memory is still 155.2MB. Free memory was 125.2MB in the beginning and 123.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 11:03:43,411 INFO L158 Benchmark]: Boogie Preprocessor took 63.43ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 120.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 11:03:43,411 INFO L158 Benchmark]: RCFGBuilder took 529.10ms. Allocated memory is still 155.2MB. Free memory was 120.1MB in the beginning and 100.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 11:03:43,412 INFO L158 Benchmark]: TraceAbstraction took 3202.41ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 100.0MB in the beginning and 144.9MB in the end (delta: -44.9MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2024-10-24 11:03:43,412 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 195.0MB. Free memory was 144.9MB in the beginning and 143.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 11:03:43,414 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 108.3MB in the end (delta: 139.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.63ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 125.2MB in the end (delta: -41.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.38ms. Allocated memory is still 155.2MB. Free memory was 125.2MB in the beginning and 123.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.43ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 120.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.10ms. Allocated memory is still 155.2MB. Free memory was 120.1MB in the beginning and 100.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3202.41ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 100.0MB in the beginning and 144.9MB in the end (delta: -44.9MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 195.0MB. Free memory was 144.9MB in the beginning and 143.8MB in the end (delta: 1.1MB). 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 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 256; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 10; [L25] unsigned short int var_1_4 = 500; [L26] unsigned long int var_1_5 = 0; [L27] unsigned long int var_1_6 = 1509114200; [L28] unsigned long int var_1_7 = 10; [L29] float var_1_8 = 128.9; [L30] float var_1_9 = 63.363; [L31] float var_1_10 = 4.575; [L32] float var_1_11 = 25.5; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 0; [L35] unsigned char var_1_14 = 1; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L74] var_1_3 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L75] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L76] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L76] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L77] var_1_4 = __VERIFIER_nondet_ushort() [L78] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L78] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L79] CALL assume_abort_if_not(var_1_4 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L79] RET assume_abort_if_not(var_1_4 <= 65535) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L80] var_1_5 = __VERIFIER_nondet_ulong() [L81] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L81] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L82] CALL assume_abort_if_not(var_1_5 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L82] RET assume_abort_if_not(var_1_5 <= 1073741823) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L83] var_1_6 = __VERIFIER_nondet_ulong() [L84] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L84] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L85] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L85] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L86] var_1_7 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_8=1289/10, var_1_9=63363/1000] [L87] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_8=1289/10, var_1_9=63363/1000] [L88] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10, var_1_9=63363/1000] [L88] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10, var_1_9=63363/1000] [L89] var_1_9 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L90] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L91] var_1_10 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L92] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L93] var_1_13 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L94] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L95] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L95] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L96] var_1_14 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L97] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L98] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L98] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L111] RET updateVariables() [L112] CALL step() [L39] COND FALSE !(var_1_9 != var_1_10) [L46] var_1_12 = var_1_14 VAL [isInitial=1, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L48] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=65535, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_3=65535, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L49] COND TRUE \read(var_1_12) VAL [isInitial=1, stepLocal_0=65535, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_3=65535, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L50] COND FALSE !(stepLocal_0 <= var_1_4) VAL [isInitial=1, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_3=65535, var_1_4=131070, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L56] unsigned long int stepLocal_1 = var_1_1; VAL [isInitial=1, stepLocal_1=256, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_3=65535, var_1_4=131070, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1289/10] [L57] COND TRUE var_1_7 >= stepLocal_1 [L58] var_1_8 = ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))) VAL [isInitial=1, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_3=65535, var_1_4=131070, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1/2, var_1_9=1/2] [L62] COND TRUE var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8))) [L63] var_1_11 = var_1_10 VAL [isInitial=1, var_1_10=13835058056355905540, var_1_11=13835058056355905540, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_3=65535, var_1_4=131070, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1/2, var_1_9=1/2] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((var_1_12 ? ((var_1_3 <= var_1_4) ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) + (var_1_6 - var_1_7)))) : 1) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_7 >= var_1_1) ? (var_1_8 == ((float) ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))))) : (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))))) && ((var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8)))) ? (var_1_11 == ((float) var_1_10)) : ((! (var_1_7 <= var_1_6)) ? (var_1_11 == ((float) var_1_9)) : 1))) && ((var_1_9 != var_1_10) ? ((var_1_2 || var_1_13) ? (var_1_12 == ((unsigned char) (var_1_13 || var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=13835058056355905540, var_1_11=13835058056355905540, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_3=65535, var_1_4=131070, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1/2, var_1_9=1/2] [L19] reach_error() VAL [isInitial=1, var_1_10=13835058056355905540, var_1_11=13835058056355905540, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=0, var_1_3=65535, var_1_4=131070, var_1_5=-4294967296, var_1_6=13835058056355905535U, var_1_7=-3221225473, var_1_8=1/2, var_1_9=1/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 119 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 119 mSolverCounterUnsat, 113 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 SizeOfPredicates, 1 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1833/1836 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 [2024-10-24 11:03:43,456 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.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 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 11:03:45,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 11:03:45,907 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 11:03:45,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 11:03:45,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 11:03:45,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 11:03:45,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 11:03:45,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 11:03:45,949 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 11:03:45,949 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 11:03:45,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 11:03:45,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 11:03:45,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 11:03:45,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 11:03:45,951 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 11:03:45,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 11:03:45,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 11:03:45,953 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 11:03:45,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 11:03:45,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 11:03:45,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 11:03:45,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 11:03:45,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 11:03:45,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 11:03:45,958 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 11:03:45,958 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 11:03:45,958 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 11:03:45,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 11:03:45,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 11:03:45,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 11:03:45,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 11:03:45,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 11:03:45,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 11:03:45,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 11:03:45,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:03:45,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 11:03:45,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 11:03:45,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 11:03:45,963 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 11:03:45,963 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 11:03:45,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 11:03:45,964 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 11:03:45,964 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 11:03:45,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 11:03:45,965 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 11:03:45,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 [2024-10-24 11:03:46,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 11:03:46,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 11:03:46,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 11:03:46,355 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 11:03:46,356 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 11:03:46,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i [2024-10-24 11:03:47,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 11:03:48,108 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 11:03:48,109 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i [2024-10-24 11:03:48,117 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11e5cc654/993f97e577594b1e9baf55e7106ce830/FLAG20a127393 [2024-10-24 11:03:48,130 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11e5cc654/993f97e577594b1e9baf55e7106ce830 [2024-10-24 11:03:48,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 11:03:48,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 11:03:48,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 11:03:48,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 11:03:48,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 11:03:48,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c757b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48, skipping insertion in model container [2024-10-24 11:03:48,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 11:03:48,371 WARN L248 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-25.i[913,926] [2024-10-24 11:03:48,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:03:48,452 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 11:03:48,482 WARN L248 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-25.i[913,926] [2024-10-24 11:03:48,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:03:48,541 INFO L204 MainTranslator]: Completed translation [2024-10-24 11:03:48,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48 WrapperNode [2024-10-24 11:03:48,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 11:03:48,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 11:03:48,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 11:03:48,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 11:03:48,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,600 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-10-24 11:03:48,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 11:03:48,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 11:03:48,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 11:03:48,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 11:03:48,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,644 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]. [2024-10-24 11:03:48,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 11:03:48,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 11:03:48,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 11:03:48,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 11:03:48,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (1/1) ... [2024-10-24 11:03:48,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:03:48,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:03:48,712 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) [2024-10-24 11:03:48,719 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 [2024-10-24 11:03:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 11:03:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 11:03:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 11:03:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 11:03:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 11:03:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 11:03:48,860 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 11:03:48,862 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 11:03:49,205 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-24 11:03:49,206 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 11:03:49,266 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 11:03:49,267 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 11:03:49,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:49 BoogieIcfgContainer [2024-10-24 11:03:49,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 11:03:49,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 11:03:49,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 11:03:49,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 11:03:49,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:03:48" (1/3) ... [2024-10-24 11:03:49,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcb9f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:03:49, skipping insertion in model container [2024-10-24 11:03:49,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:48" (2/3) ... [2024-10-24 11:03:49,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcb9f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:03:49, skipping insertion in model container [2024-10-24 11:03:49,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:49" (3/3) ... [2024-10-24 11:03:49,279 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-25.i [2024-10-24 11:03:49,302 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 11:03:49,303 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 11:03:49,375 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 11:03:49,385 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;@38097e2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 11:03:49,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 11:03:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 11:03:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-24 11:03:49,403 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:03:49,404 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:03:49,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:03:49,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:03:49,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1711721589, now seen corresponding path program 1 times [2024-10-24 11:03:49,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 11:03:49,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166835262] [2024-10-24 11:03:49,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:03:49,429 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 [2024-10-24 11:03:49,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 11:03:49,434 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) [2024-10-24 11:03:49,435 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 [2024-10-24 11:03:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:49,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 11:03:49,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 11:03:49,722 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-10-24 11:03:49,723 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 11:03:49,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 11:03:49,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1166835262] [2024-10-24 11:03:49,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1166835262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:03:49,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:03:49,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 11:03:49,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731947652] [2024-10-24 11:03:49,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:03:49,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 11:03:49,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 11:03:49,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 11:03:49,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:03:49,761 INFO L87 Difference]: Start difference. First operand has 50 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 11:03:49,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:03:49,816 INFO L93 Difference]: Finished difference Result 97 states and 170 transitions. [2024-10-24 11:03:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 11:03:49,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 111 [2024-10-24 11:03:49,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:03:49,829 INFO L225 Difference]: With dead ends: 97 [2024-10-24 11:03:49,830 INFO L226 Difference]: Without dead ends: 48 [2024-10-24 11:03:49,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:03:49,840 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:03:49,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:03:49,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-24 11:03:49,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-24 11:03:49,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 11:03:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 72 transitions. [2024-10-24 11:03:49,892 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 72 transitions. Word has length 111 [2024-10-24 11:03:49,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:03:49,892 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 72 transitions. [2024-10-24 11:03:49,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 11:03:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2024-10-24 11:03:49,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-24 11:03:49,897 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:03:49,897 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:03:49,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 11:03:50,098 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 [2024-10-24 11:03:50,099 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:03:50,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:03:50,100 INFO L85 PathProgramCache]: Analyzing trace with hash -418151943, now seen corresponding path program 1 times [2024-10-24 11:03:50,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 11:03:50,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717851884] [2024-10-24 11:03:50,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:03:50,102 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 [2024-10-24 11:03:50,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 11:03:50,103 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) [2024-10-24 11:03:50,105 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 [2024-10-24 11:03:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:50,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 11:03:50,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 11:03:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-10-24 11:03:50,535 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 11:03:50,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 11:03:50,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1717851884] [2024-10-24 11:03:50,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1717851884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:03:50,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:03:50,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 11:03:50,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537148682] [2024-10-24 11:03:50,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:03:50,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 11:03:50,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 11:03:50,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 11:03:50,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-24 11:03:50,546 INFO L87 Difference]: Start difference. First operand 48 states and 72 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 11:03:51,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:03:51,069 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2024-10-24 11:03:51,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 11:03:51,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 111 [2024-10-24 11:03:51,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:03:51,073 INFO L225 Difference]: With dead ends: 105 [2024-10-24 11:03:51,074 INFO L226 Difference]: Without dead ends: 58 [2024-10-24 11:03:51,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-10-24 11:03:51,080 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 100 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 11:03:51,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 123 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 11:03:51,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-10-24 11:03:51,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2024-10-24 11:03:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 11:03:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2024-10-24 11:03:51,096 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 111 [2024-10-24 11:03:51,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:03:51,097 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2024-10-24 11:03:51,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 11:03:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2024-10-24 11:03:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 11:03:51,099 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:03:51,099 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:03:51,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-24 11:03:51,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 11:03:51,300 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:03:51,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:03:51,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1371630986, now seen corresponding path program 1 times [2024-10-24 11:03:51,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 11:03:51,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032451924] [2024-10-24 11:03:51,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:03:51,302 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 [2024-10-24 11:03:51,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 11:03:51,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 11:03:51,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-24 11:03:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:51,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-24 11:03:51,521 INFO L278 TraceCheckSpWp]: Computing forward predicates...