./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.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 936aab998361efc45420d018b56df92fbb34844c50d535dc774b38d94c427472 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:06:57,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:06:57,082 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 23:06:57,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:06:57,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:06:57,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:06:57,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:06:57,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:06:57,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:06:57,123 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:06:57,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:06:57,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:06:57,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:06:57,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:06:57,127 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:06:57,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:06:57,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:06:57,128 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:06:57,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 23:06:57,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:06:57,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:06:57,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:06:57,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:06:57,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:06:57,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:06:57,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:06:57,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:06:57,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:06:57,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:06:57,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:06:57,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:06:57,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:06:57,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:06:57,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:06:57,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:06:57,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:06:57,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 23:06:57,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 23:06:57,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:06:57,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:06:57,139 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:06:57,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:06:57,140 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 936aab998361efc45420d018b56df92fbb34844c50d535dc774b38d94c427472 [2024-11-18 23:06:57,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:06:57,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:06:57,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:06:57,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:06:57,455 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:06:57,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i [2024-11-18 23:06:58,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:06:59,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:06:59,101 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i [2024-11-18 23:06:59,112 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b47fdcc/2279bbc2b8f94e41bc0d9e22f6499ae9/FLAGfe7dea634 [2024-11-18 23:06:59,130 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b47fdcc/2279bbc2b8f94e41bc0d9e22f6499ae9 [2024-11-18 23:06:59,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:06:59,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:06:59,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:06:59,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:06:59,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:06:59,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676ce755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59, skipping insertion in model container [2024-11-18 23:06:59,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:06:59,334 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i[915,928] [2024-11-18 23:06:59,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:06:59,403 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:06:59,415 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i[915,928] [2024-11-18 23:06:59,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:06:59,466 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:06:59,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59 WrapperNode [2024-11-18 23:06:59,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:06:59,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:06:59,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:06:59,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:06:59,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,523 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2024-11-18 23:06:59,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:06:59,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:06:59,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:06:59,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:06:59,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,546 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,577 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 23:06:59,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:06:59,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:06:59,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:06:59,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:06:59,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (1/1) ... [2024-11-18 23:06:59,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:06:59,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:06:59,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 23:06:59,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 23:06:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:06:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:06:59,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:06:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 23:06:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:06:59,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:06:59,788 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:06:59,790 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:07:00,233 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-18 23:07:00,234 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:07:00,252 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:07:00,253 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:07:00,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:07:00 BoogieIcfgContainer [2024-11-18 23:07:00,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:07:00,255 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:07:00,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:07:00,258 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:07:00,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:06:59" (1/3) ... [2024-11-18 23:07:00,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2892c06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:07:00, skipping insertion in model container [2024-11-18 23:07:00,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:59" (2/3) ... [2024-11-18 23:07:00,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2892c06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:07:00, skipping insertion in model container [2024-11-18 23:07:00,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:07:00" (3/3) ... [2024-11-18 23:07:00,261 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-49.i [2024-11-18 23:07:00,278 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:07:00,278 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:07:00,335 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:07:00,342 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;@345e4989, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:07:00,342 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:07:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-18 23:07:00,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-18 23:07:00,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:07:00,362 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:07:00,363 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:07:00,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:07:00,368 INFO L85 PathProgramCache]: Analyzing trace with hash -739424885, now seen corresponding path program 1 times [2024-11-18 23:07:00,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:07:00,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133131374] [2024-11-18 23:07:00,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:07:00,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:07:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:07:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-18 23:07:00,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:07:00,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133131374] [2024-11-18 23:07:00,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133131374] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:07:00,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141142497] [2024-11-18 23:07:00,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:07:00,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:07:00,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:07:00,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:07:00,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 23:07:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:07:00,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:07:00,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:07:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-18 23:07:01,009 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:07:01,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141142497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:07:01,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 23:07:01,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 23:07:01,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276011928] [2024-11-18 23:07:01,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:07:01,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:07:01,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:07:01,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:07:01,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:07:01,049 INFO L87 Difference]: Start difference. First operand has 73 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-18 23:07:01,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:07:01,084 INFO L93 Difference]: Finished difference Result 142 states and 238 transitions. [2024-11-18 23:07:01,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:07:01,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-18 23:07:01,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:07:01,094 INFO L225 Difference]: With dead ends: 142 [2024-11-18 23:07:01,094 INFO L226 Difference]: Without dead ends: 68 [2024-11-18 23:07:01,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:07:01,100 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:07:01,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:07:01,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-18 23:07:01,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-18 23:07:01,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-18 23:07:01,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 101 transitions. [2024-11-18 23:07:01,209 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 101 transitions. Word has length 135 [2024-11-18 23:07:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:07:01,212 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 101 transitions. [2024-11-18 23:07:01,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-18 23:07:01,212 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2024-11-18 23:07:01,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-18 23:07:01,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:07:01,219 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:07:01,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 23:07:01,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 23:07:01,420 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:07:01,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:07:01,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1272190783, now seen corresponding path program 1 times [2024-11-18 23:07:01,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:07:01,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362031471] [2024-11-18 23:07:01,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:07:01,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:07:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:07:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-18 23:07:02,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:07:02,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362031471] [2024-11-18 23:07:02,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362031471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:07:02,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:07:02,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 23:07:02,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189649175] [2024-11-18 23:07:02,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:07:02,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 23:07:02,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:07:02,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 23:07:02,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 23:07:02,024 INFO L87 Difference]: Start difference. First operand 68 states and 101 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:07:02,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:07:02,230 INFO L93 Difference]: Finished difference Result 208 states and 313 transitions. [2024-11-18 23:07:02,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 23:07:02,232 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2024-11-18 23:07:02,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:07:02,237 INFO L225 Difference]: With dead ends: 208 [2024-11-18 23:07:02,237 INFO L226 Difference]: Without dead ends: 143 [2024-11-18 23:07:02,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 23:07:02,240 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 91 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 23:07:02,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 291 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 23:07:02,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-18 23:07:02,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2024-11-18 23:07:02,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 64 states have (on average 1.21875) internal successors, (78), 64 states have internal predecessors, (78), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-18 23:07:02,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 162 transitions. [2024-11-18 23:07:02,269 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 162 transitions. Word has length 135 [2024-11-18 23:07:02,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:07:02,272 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 162 transitions. [2024-11-18 23:07:02,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:07:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2024-11-18 23:07:02,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-18 23:07:02,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:07:02,275 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:07:02,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 23:07:02,275 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:07:02,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:07:02,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1703174105, now seen corresponding path program 1 times [2024-11-18 23:07:02,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:07:02,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065454702] [2024-11-18 23:07:02,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:07:02,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:07:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:07:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-18 23:07:02,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:07:02,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065454702] [2024-11-18 23:07:02,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065454702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:07:02,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:07:02,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 23:07:02,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76264108] [2024-11-18 23:07:02,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:07:02,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 23:07:02,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:07:02,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 23:07:02,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 23:07:02,540 INFO L87 Difference]: Start difference. First operand 109 states and 162 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:07:02,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:07:02,576 INFO L93 Difference]: Finished difference Result 176 states and 263 transitions. [2024-11-18 23:07:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 23:07:02,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2024-11-18 23:07:02,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:07:02,579 INFO L225 Difference]: With dead ends: 176 [2024-11-18 23:07:02,579 INFO L226 Difference]: Without dead ends: 110 [2024-11-18 23:07:02,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 23:07:02,583 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:07:02,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:07:02,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-18 23:07:02,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-18 23:07:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 65 states have internal predecessors, (79), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-18 23:07:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 163 transitions. [2024-11-18 23:07:02,613 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 163 transitions. Word has length 136 [2024-11-18 23:07:02,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:07:02,614 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 163 transitions. [2024-11-18 23:07:02,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:07:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2024-11-18 23:07:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-18 23:07:02,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:07:02,621 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:07:02,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 23:07:02,621 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:07:02,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:07:02,622 INFO L85 PathProgramCache]: Analyzing trace with hash 102536124, now seen corresponding path program 1 times [2024-11-18 23:07:02,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:07:02,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249004972] [2024-11-18 23:07:02,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:07:02,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:07:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:07:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-18 23:07:03,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:07:03,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249004972] [2024-11-18 23:07:03,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249004972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:07:03,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046484765] [2024-11-18 23:07:03,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:07:03,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:07:03,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:07:03,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:07:03,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 23:07:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:07:03,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-18 23:07:03,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:07:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-18 23:07:04,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:07:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-18 23:07:05,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046484765] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 23:07:05,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 23:07:05,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8] total 17 [2024-11-18 23:07:05,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220095394] [2024-11-18 23:07:05,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 23:07:05,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-18 23:07:05,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:07:05,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-18 23:07:05,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-18 23:07:05,054 INFO L87 Difference]: Start difference. First operand 110 states and 163 transitions. Second operand has 17 states, 17 states have (on average 5.705882352941177) internal successors, (97), 17 states have internal predecessors, (97), 6 states have call successors, (63), 3 states have call predecessors, (63), 6 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) [2024-11-18 23:07:06,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:07:06,484 INFO L93 Difference]: Finished difference Result 504 states and 714 transitions. [2024-11-18 23:07:06,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-18 23:07:06,485 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.705882352941177) internal successors, (97), 17 states have internal predecessors, (97), 6 states have call successors, (63), 3 states have call predecessors, (63), 6 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) Word has length 137 [2024-11-18 23:07:06,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:07:06,489 INFO L225 Difference]: With dead ends: 504 [2024-11-18 23:07:06,489 INFO L226 Difference]: Without dead ends: 437 [2024-11-18 23:07:06,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=450, Invalid=1190, Unknown=0, NotChecked=0, Total=1640 [2024-11-18 23:07:06,492 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 601 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-18 23:07:06,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 680 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-18 23:07:06,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-18 23:07:06,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 343. [2024-11-18 23:07:06,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 225 states have (on average 1.2177777777777778) internal successors, (274), 226 states have internal predecessors, (274), 107 states have call successors, (107), 10 states have call predecessors, (107), 10 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-18 23:07:06,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 488 transitions. [2024-11-18 23:07:06,565 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 488 transitions. Word has length 137 [2024-11-18 23:07:06,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:07:06,566 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 488 transitions. [2024-11-18 23:07:06,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.705882352941177) internal successors, (97), 17 states have internal predecessors, (97), 6 states have call successors, (63), 3 states have call predecessors, (63), 6 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) [2024-11-18 23:07:06,567 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 488 transitions. [2024-11-18 23:07:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-18 23:07:06,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:07:06,569 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:07:06,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-18 23:07:06,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-18 23:07:06,774 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:07:06,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:07:06,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1298589610, now seen corresponding path program 1 times [2024-11-18 23:07:06,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:07:06,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621645536] [2024-11-18 23:07:06,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:07:06,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:07:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 23:07:06,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [719847465] [2024-11-18 23:07:06,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:07:06,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:07:06,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:07:06,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:07:06,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 23:07:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:07:07,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 23:07:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:07:07,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 23:07:07,528 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 23:07:07,530 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 23:07:07,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-18 23:07:07,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:07:07,735 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-18 23:07:07,841 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 23:07:07,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:07:07 BoogieIcfgContainer [2024-11-18 23:07:07,848 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 23:07:07,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 23:07:07,849 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 23:07:07,849 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 23:07:07,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:07:00" (3/4) ... [2024-11-18 23:07:07,852 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 23:07:07,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 23:07:07,854 INFO L158 Benchmark]: Toolchain (without parser) took 8721.04ms. Allocated memory was 144.7MB in the beginning and 220.2MB in the end (delta: 75.5MB). Free memory was 108.7MB in the beginning and 148.1MB in the end (delta: -39.4MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2024-11-18 23:07:07,855 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:07:07,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.83ms. Allocated memory is still 144.7MB. Free memory was 108.7MB in the beginning and 92.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 23:07:07,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.47ms. Allocated memory is still 144.7MB. Free memory was 92.8MB in the beginning and 88.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 23:07:07,855 INFO L158 Benchmark]: Boogie Preprocessor took 79.12ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 82.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-18 23:07:07,856 INFO L158 Benchmark]: RCFGBuilder took 649.47ms. Allocated memory is still 144.7MB. Free memory was 82.8MB in the beginning and 97.9MB in the end (delta: -15.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 23:07:07,857 INFO L158 Benchmark]: TraceAbstraction took 7593.08ms. Allocated memory was 144.7MB in the beginning and 220.2MB in the end (delta: 75.5MB). Free memory was 96.7MB in the beginning and 148.1MB in the end (delta: -51.4MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-11-18 23:07:07,857 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 220.2MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:07:07,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.83ms. Allocated memory is still 144.7MB. Free memory was 108.7MB in the beginning and 92.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.47ms. Allocated memory is still 144.7MB. Free memory was 92.8MB in the beginning and 88.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.12ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 82.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 649.47ms. Allocated memory is still 144.7MB. Free memory was 82.8MB in the beginning and 97.9MB in the end (delta: -15.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7593.08ms. Allocated memory was 144.7MB in the beginning and 220.2MB in the end (delta: 75.5MB). Free memory was 96.7MB in the beginning and 148.1MB in the end (delta: -51.4MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 220.2MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of bitwiseAnd at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 10; [L23] unsigned long int var_1_3 = 3171453299; [L24] unsigned long int var_1_4 = 2038274679; [L25] unsigned long int var_1_5 = 1375699353; [L26] unsigned short int var_1_8 = 16; [L27] unsigned char var_1_12 = 1; [L28] unsigned char var_1_13 = 1; [L29] double var_1_14 = 64.45; [L30] float var_1_15 = 31.15; [L31] float var_1_16 = 16.4; [L32] double var_1_17 = 100.625; [L33] double var_1_18 = 128.1; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 8; [L36] unsigned char var_1_21 = 100; [L37] unsigned char var_1_22 = 0; [L38] signed char var_1_23 = 2; [L39] unsigned char var_1_24 = 0; [L40] unsigned long int last_1_var_1_1 = 10; [L41] unsigned short int last_1_var_1_8 = 16; [L42] unsigned char last_1_var_1_12 = 1; [L43] unsigned char last_1_var_1_19 = 1; [L44] unsigned char last_1_var_1_22 = 0; VAL [isInitial=0, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=3171453299, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L134] isInitial = 1 [L135] FCALL initially() [L136] int k_loop; [L137] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=3171453299, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L137] COND TRUE k_loop < 1 [L138] CALL updateLastVariables() [L123] last_1_var_1_1 = var_1_1 [L124] last_1_var_1_8 = var_1_8 [L125] last_1_var_1_12 = var_1_12 [L126] last_1_var_1_19 = var_1_19 [L127] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=3171453299, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L138] RET updateLastVariables() [L139] CALL updateVariables() [L88] var_1_3 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L89] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L90] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L90] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L91] var_1_4 = __VERIFIER_nondet_ulong() [L92] CALL assume_abort_if_not(var_1_4 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1375699353, var_1_8=16] [L92] RET assume_abort_if_not(var_1_4 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1375699353, var_1_8=16] [L93] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1375699353, var_1_8=16] [L93] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1375699353, var_1_8=16] [L94] var_1_5 = __VERIFIER_nondet_ulong() [L95] CALL assume_abort_if_not(var_1_5 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L95] RET assume_abort_if_not(var_1_5 >= 1073741824) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L96] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L96] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L97] var_1_13 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L98] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L99] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L99] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L100] var_1_15 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L101] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L102] var_1_16 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L103] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L104] var_1_17 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L105] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L106] var_1_18 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L107] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L108] var_1_20 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L109] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L110] CALL assume_abort_if_not(var_1_20 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L110] RET assume_abort_if_not(var_1_20 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L111] var_1_21 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L112] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L113] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L113] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L114] var_1_23 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_23 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L115] RET assume_abort_if_not(var_1_23 >= -128) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L116] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L116] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L117] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L117] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L118] var_1_24 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L119] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L120] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L120] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L139] RET updateVariables() [L140] CALL step() [L48] COND TRUE ! last_1_var_1_22 VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L49] COND TRUE (last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19 [L50] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L55] COND FALSE !(var_1_13 && last_1_var_1_22) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=16] [L62] var_1_8 = ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19))))) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=102] [L63] COND TRUE (((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16 [L64] var_1_14 = ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=102] [L66] COND TRUE \read(last_1_var_1_12) [L67] var_1_1 = (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=102] [L69] EXPR var_1_19 & var_1_4 VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=-256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=102] [L69] COND FALSE !((-2 / var_1_23) >= (var_1_19 & var_1_4)) [L84] var_1_22 = var_1_13 VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=-256, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=102] [L140] RET step() [L141] CALL, EXPR property() [L130] EXPR (((((last_1_var_1_12 ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)))) : 1) && (var_1_8 == ((unsigned short int) ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))))))) && ((! last_1_var_1_22) ? (((last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19) ? (var_1_12 == ((unsigned char) var_1_13)) : 1) : (var_1_12 == ((unsigned char) 0)))) && (((((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16) ? (var_1_14 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_13 && last_1_var_1_22) ? ((var_1_4 > (256u * last_1_var_1_8)) ? (var_1_19 == ((unsigned char) ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) : (var_1_19 == ((unsigned char) var_1_20))) : 1)) && (((-2 / var_1_23) >= (var_1_19 & var_1_4)) ? ((var_1_21 >= (var_1_1 + var_1_5)) ? (((~ var_1_19) > var_1_20) ? (var_1_12 ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=-256, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=102] [L130-L131] return (((((last_1_var_1_12 ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)))) : 1) && (var_1_8 == ((unsigned short int) ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))))))) && ((! last_1_var_1_22) ? (((last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19) ? (var_1_12 == ((unsigned char) var_1_13)) : 1) : (var_1_12 == ((unsigned char) 0)))) && (((((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16) ? (var_1_14 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_13 && last_1_var_1_22) ? ((var_1_4 > (256u * last_1_var_1_8)) ? (var_1_19 == ((unsigned char) ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) : (var_1_19 == ((unsigned char) var_1_20))) : 1)) && (((-2 / var_1_23) >= (var_1_19 & var_1_4)) ? ((var_1_21 >= (var_1_1 + var_1_5)) ? (((~ var_1_19) > var_1_20) ? (var_1_12 ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=-256, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=102] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=-256, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=-3221225473, var_1_5=1073741824, var_1_8=102] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 5, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 714 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 692 mSDsluCounter, 1270 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 885 mSDsCounter, 366 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 834 IncrementalHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 366 mSolverCounterUnsat, 385 mSDtfsCounter, 834 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 454 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=343occurred in iteration=4, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 128 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1091 NumberOfCodeBlocks, 1091 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 945 ConstructedInterpolants, 0 QuantifiedInterpolants, 3514 SizeOfPredicates, 3 NumberOfNonLiveVariables, 643 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 5678/5880 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 23:07:07,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.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 936aab998361efc45420d018b56df92fbb34844c50d535dc774b38d94c427472 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:07:10,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:07:10,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 23:07:10,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:07:10,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:07:10,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:07:10,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:07:10,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:07:10,269 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:07:10,269 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:07:10,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:07:10,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:07:10,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:07:10,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:07:10,271 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:07:10,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:07:10,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:07:10,272 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:07:10,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:07:10,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:07:10,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:07:10,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:07:10,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:07:10,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 23:07:10,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 23:07:10,278 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:07:10,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 23:07:10,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:07:10,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:07:10,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:07:10,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:07:10,294 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:07:10,294 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:07:10,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:07:10,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:07:10,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:07:10,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:07:10,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:07:10,296 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 23:07:10,296 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 23:07:10,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:07:10,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:07:10,298 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:07:10,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:07:10,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 936aab998361efc45420d018b56df92fbb34844c50d535dc774b38d94c427472 [2024-11-18 23:07:10,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:07:10,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:07:10,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:07:10,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:07:10,683 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:07:10,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i [2024-11-18 23:07:12,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:07:12,555 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:07:12,555 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i [2024-11-18 23:07:12,572 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e0fd59e3/3e6c80cf900d42d392be272550448fbc/FLAG84f507159 [2024-11-18 23:07:12,590 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e0fd59e3/3e6c80cf900d42d392be272550448fbc [2024-11-18 23:07:12,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:07:12,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:07:12,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:07:12,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:07:12,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:07:12,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:07:12" (1/1) ... [2024-11-18 23:07:12,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf1ffa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:12, skipping insertion in model container [2024-11-18 23:07:12,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:07:12" (1/1) ... [2024-11-18 23:07:12,633 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:07:12,829 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i[915,928] [2024-11-18 23:07:12,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:07:12,933 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:07:12,952 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i[915,928] [2024-11-18 23:07:12,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:07:13,005 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:07:13,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13 WrapperNode [2024-11-18 23:07:13,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:07:13,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:07:13,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:07:13,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:07:13,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,052 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2024-11-18 23:07:13,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:07:13,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:07:13,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:07:13,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:07:13,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,102 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 23:07:13,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:07:13,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:07:13,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:07:13,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:07:13,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (1/1) ... [2024-11-18 23:07:13,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:07:13,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:07:13,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 23:07:13,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 23:07:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:07:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 23:07:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:07:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:07:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:07:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:07:13,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:07:13,310 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:07:13,850 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-18 23:07:13,850 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:07:13,869 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:07:13,870 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:07:13,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:07:13 BoogieIcfgContainer [2024-11-18 23:07:13,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:07:13,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:07:13,875 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:07:13,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:07:13,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:07:12" (1/3) ... [2024-11-18 23:07:13,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1a4cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:07:13, skipping insertion in model container [2024-11-18 23:07:13,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:13" (2/3) ... [2024-11-18 23:07:13,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1a4cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:07:13, skipping insertion in model container [2024-11-18 23:07:13,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:07:13" (3/3) ... [2024-11-18 23:07:13,884 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-49.i [2024-11-18 23:07:13,903 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:07:13,904 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:07:13,987 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:07:13,996 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;@3edf23bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:07:13,996 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:07:14,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-18 23:07:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-18 23:07:14,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:07:14,019 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:07:14,020 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:07:14,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:07:14,026 INFO L85 PathProgramCache]: Analyzing trace with hash -997379813, now seen corresponding path program 1 times [2024-11-18 23:07:14,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:07:14,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820384913] [2024-11-18 23:07:14,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:07:14,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:07:14,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:07:14,049 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 23:07:14,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-18 23:07:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:07:14,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:07:14,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:07:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-18 23:07:14,402 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:07:14,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:07:14,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820384913] [2024-11-18 23:07:14,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820384913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:07:14,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:07:14,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 23:07:14,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566811573] [2024-11-18 23:07:14,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:07:14,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:07:14,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:07:14,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:07:14,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:07:14,444 INFO L87 Difference]: Start difference. First operand has 64 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-18 23:07:14,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:07:14,471 INFO L93 Difference]: Finished difference Result 124 states and 210 transitions. [2024-11-18 23:07:14,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:07:14,474 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2024-11-18 23:07:14,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:07:14,480 INFO L225 Difference]: With dead ends: 124 [2024-11-18 23:07:14,480 INFO L226 Difference]: Without dead ends: 59 [2024-11-18 23:07:14,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:07:14,487 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:07:14,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:07:14,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-18 23:07:14,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-18 23:07:14,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-18 23:07:14,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2024-11-18 23:07:14,532 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 132 [2024-11-18 23:07:14,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:07:14,532 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2024-11-18 23:07:14,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-18 23:07:14,533 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-18 23:07:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-18 23:07:14,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:07:14,539 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:07:14,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-18 23:07:14,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:07:14,740 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:07:14,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:07:14,741 INFO L85 PathProgramCache]: Analyzing trace with hash -556381787, now seen corresponding path program 1 times [2024-11-18 23:07:14,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:07:14,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905368565] [2024-11-18 23:07:14,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:07:14,743 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:07:14,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:07:14,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 23:07:14,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-18 23:07:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:07:14,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 23:07:15,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:07:15,466 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-18 23:07:15,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:07:15,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:07:15,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905368565] [2024-11-18 23:07:15,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1905368565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:07:15,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:07:15,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 23:07:15,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501342598] [2024-11-18 23:07:15,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:07:15,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 23:07:15,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:07:15,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 23:07:15,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 23:07:15,473 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:07:15,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:07:15,866 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2024-11-18 23:07:15,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 23:07:15,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 132 [2024-11-18 23:07:15,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:07:15,879 INFO L225 Difference]: With dead ends: 178 [2024-11-18 23:07:15,879 INFO L226 Difference]: Without dead ends: 122 [2024-11-18 23:07:15,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 23:07:15,881 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 64 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 23:07:15,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 245 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 23:07:15,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-18 23:07:15,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 100. [2024-11-18 23:07:15,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 55 states have internal predecessors, (64), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-18 23:07:15,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 148 transitions. [2024-11-18 23:07:15,904 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 148 transitions. Word has length 132 [2024-11-18 23:07:15,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:07:15,905 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 148 transitions. [2024-11-18 23:07:15,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:07:15,906 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 148 transitions. [2024-11-18 23:07:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-18 23:07:15,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:07:15,908 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:07:15,919 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 (3)] Ended with exit code 0 [2024-11-18 23:07:16,108 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 [2024-11-18 23:07:16,109 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:07:16,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:07:16,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1373628109, now seen corresponding path program 1 times [2024-11-18 23:07:16,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:07:16,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385393899] [2024-11-18 23:07:16,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:07:16,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:07:16,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:07:16,116 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) [2024-11-18 23:07:16,118 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 [2024-11-18 23:07:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:07:16,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-18 23:07:16,357 INFO L278 TraceCheckSpWp]: Computing forward predicates...