./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_codestructure_normal_file-5.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 7710d3d8ed6481cd43e88ff6929287352d2e234c783bf7a38cf0b449db73c54a --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 18:51:01,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 18:51:01,673 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 18:51:01,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 18:51:01,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 18:51:01,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 18:51:01,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 18:51:01,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 18:51:01,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 18:51:01,707 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 18:51:01,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 18:51:01,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 18:51:01,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 18:51:01,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 18:51:01,707 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 18:51:01,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 18:51:01,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 18:51:01,709 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:51:01,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 18:51:01,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 18:51:01,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 18:51:01,710 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 7710d3d8ed6481cd43e88ff6929287352d2e234c783bf7a38cf0b449db73c54a [2025-03-03 18:51:01,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 18:51:01,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 18:51:01,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 18:51:01,975 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 18:51:01,975 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 18:51:01,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-5.i [2025-03-03 18:51:03,158 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2700d6e3/e2cb51b597734f4d9822d53eda0076ce/FLAGb122d9a38 [2025-03-03 18:51:03,460 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 18:51:03,461 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-5.i [2025-03-03 18:51:03,467 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2700d6e3/e2cb51b597734f4d9822d53eda0076ce/FLAGb122d9a38 [2025-03-03 18:51:03,478 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2700d6e3/e2cb51b597734f4d9822d53eda0076ce [2025-03-03 18:51:03,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 18:51:03,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 18:51:03,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 18:51:03,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 18:51:03,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 18:51:03,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59cd6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03, skipping insertion in model container [2025-03-03 18:51:03,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 18:51:03,606 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_codestructure_normal_file-5.i[912,925] [2025-03-03 18:51:03,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:51:03,678 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 18:51:03,686 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_codestructure_normal_file-5.i[912,925] [2025-03-03 18:51:03,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:51:03,737 INFO L204 MainTranslator]: Completed translation [2025-03-03 18:51:03,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03 WrapperNode [2025-03-03 18:51:03,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 18:51:03,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 18:51:03,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 18:51:03,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 18:51:03,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,790 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2025-03-03 18:51:03,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 18:51:03,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 18:51:03,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 18:51:03,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 18:51:03,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,802 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,819 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]. [2025-03-03 18:51:03,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,825 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 18:51:03,844 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 18:51:03,844 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 18:51:03,844 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 18:51:03,845 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (1/1) ... [2025-03-03 18:51:03,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:51:03,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 18:51:03,870 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) [2025-03-03 18:51:03,874 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 [2025-03-03 18:51:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 18:51:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 18:51:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 18:51:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 18:51:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 18:51:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 18:51:03,950 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 18:51:03,952 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 18:51:04,279 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-03 18:51:04,280 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 18:51:04,288 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 18:51:04,288 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 18:51:04,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:51:04 BoogieIcfgContainer [2025-03-03 18:51:04,288 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 18:51:04,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 18:51:04,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 18:51:04,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 18:51:04,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:51:03" (1/3) ... [2025-03-03 18:51:04,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da83c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:51:04, skipping insertion in model container [2025-03-03 18:51:04,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:03" (2/3) ... [2025-03-03 18:51:04,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da83c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:51:04, skipping insertion in model container [2025-03-03 18:51:04,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:51:04" (3/3) ... [2025-03-03 18:51:04,296 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-5.i [2025-03-03 18:51:04,306 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 18:51:04,308 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-5.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 18:51:04,353 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 18:51:04,366 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;@fe85d1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 18:51:04,366 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 18:51:04,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-03 18:51:04,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-03 18:51:04,380 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:51:04,381 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:51:04,381 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:51:04,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:51:04,386 INFO L85 PathProgramCache]: Analyzing trace with hash 263107235, now seen corresponding path program 1 times [2025-03-03 18:51:04,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 18:51:04,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127947931] [2025-03-03 18:51:04,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:51:04,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 18:51:04,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-03 18:51:04,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-03 18:51:04,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:51:04,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:51:04,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-03 18:51:04,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 18:51:04,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127947931] [2025-03-03 18:51:04,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127947931] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 18:51:04,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574317583] [2025-03-03 18:51:04,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:51:04,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 18:51:04,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 18:51:04,647 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) [2025-03-03 18:51:04,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 18:51:04,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-03 18:51:04,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-03 18:51:04,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:51:04,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:51:04,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 18:51:04,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 18:51:04,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-03 18:51:04,835 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 18:51:04,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574317583] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 18:51:04,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 18:51:04,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-03 18:51:04,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546176814] [2025-03-03 18:51:04,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 18:51:04,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 18:51:04,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 18:51:04,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 18:51:04,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:51:04,856 INFO L87 Difference]: Start difference. First operand has 64 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-03 18:51:04,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 18:51:04,872 INFO L93 Difference]: Finished difference Result 122 states and 210 transitions. [2025-03-03 18:51:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 18:51:04,874 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 145 [2025-03-03 18:51:04,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 18:51:04,878 INFO L225 Difference]: With dead ends: 122 [2025-03-03 18:51:04,878 INFO L226 Difference]: Without dead ends: 61 [2025-03-03 18:51:04,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:51:04,884 INFO L435 NwaCegarLoop]: 90 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, 90 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 [2025-03-03 18:51:04,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 18:51:04,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-03-03 18:51:04,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-03-03 18:51:04,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-03 18:51:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 90 transitions. [2025-03-03 18:51:04,908 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 90 transitions. Word has length 145 [2025-03-03 18:51:04,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 18:51:04,911 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 90 transitions. [2025-03-03 18:51:04,911 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-03 18:51:04,911 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 90 transitions. [2025-03-03 18:51:04,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-03 18:51:04,914 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:51:04,914 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:51:04,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-03 18:51:05,115 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 [2025-03-03 18:51:05,115 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:51:05,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:51:05,116 INFO L85 PathProgramCache]: Analyzing trace with hash -545391266, now seen corresponding path program 1 times [2025-03-03 18:51:05,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 18:51:05,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132226684] [2025-03-03 18:51:05,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:51:05,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 18:51:05,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-03 18:51:05,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-03 18:51:05,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:51:05,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-03 18:51:05,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1845768062] [2025-03-03 18:51:05,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:51:05,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 18:51:05,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 18:51:05,320 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) [2025-03-03 18:51:05,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 18:51:05,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-03 18:51:05,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-03 18:51:05,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:51:05,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 18:51:05,658 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 18:51:05,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-03 18:51:05,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-03 18:51:05,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:51:05,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 18:51:05,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 18:51:05,802 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 18:51:05,802 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 18:51:05,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-03 18:51:06,004 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,SelfDestructingSolverStorable1 [2025-03-03 18:51:06,006 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 18:51:06,079 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 18:51:06,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:51:06 BoogieIcfgContainer [2025-03-03 18:51:06,082 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 18:51:06,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 18:51:06,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 18:51:06,083 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 18:51:06,087 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:51:04" (3/4) ... [2025-03-03 18:51:06,089 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 18:51:06,089 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 18:51:06,090 INFO L158 Benchmark]: Toolchain (without parser) took 2608.93ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 103.4MB in the end (delta: 7.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2025-03-03 18:51:06,090 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 18:51:06,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.73ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 96.9MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 18:51:06,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.07ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 92.2MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 18:51:06,091 INFO L158 Benchmark]: Boogie Preprocessor took 51.81ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 85.4MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 18:51:06,091 INFO L158 Benchmark]: IcfgBuilder took 444.23ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 62.4MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-03 18:51:06,091 INFO L158 Benchmark]: TraceAbstraction took 1792.57ms. Allocated memory is still 142.6MB. Free memory was 62.4MB in the beginning and 104.3MB in the end (delta: -41.9MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2025-03-03 18:51:06,091 INFO L158 Benchmark]: Witness Printer took 6.27ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.4MB in the end (delta: 910.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 18:51:06,092 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.73ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 96.9MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.07ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 92.2MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.81ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 85.4MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 444.23ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 62.4MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1792.57ms. Allocated memory is still 142.6MB. Free memory was 62.4MB in the beginning and 104.3MB in the end (delta: -41.9MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Witness Printer took 6.27ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.4MB in the end (delta: 910.3kB). 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 someBinaryArithmeticDOUBLEoperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned short int var_1_2 = 10; [L24] signed long int var_1_3 = 4; [L25] unsigned char var_1_4 = 128; [L26] unsigned char var_1_5 = 1; [L27] unsigned long int var_1_6 = 5; [L28] float var_1_7 = 2.98; [L29] float var_1_8 = 8.5; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 64; [L32] unsigned char var_1_11 = 64; [L33] unsigned short int var_1_12 = 25; [L34] signed long int var_1_13 = 256; [L35] unsigned short int var_1_14 = 31408; [L36] double var_1_15 = 64.375; [L37] double var_1_16 = 10.85; [L38] double var_1_17 = 128.8; [L39] double var_1_18 = 2.6; [L40] unsigned char var_1_19 = 0; [L41] unsigned char var_1_20 = 0; [L42] signed short int var_1_21 = -64; VAL [isInitial=0, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_2=10, var_1_3=4, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L124] isInitial = 1 [L125] FCALL initially() [L126] COND TRUE 1 [L127] FCALL updateLastVariables() [L128] CALL updateVariables() [L79] var_1_2 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=4, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=4, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L80] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=4, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=4, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=4, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L81] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=4, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L82] var_1_3 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L83] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L84] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=128, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L85] var_1_4 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L86] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L87] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=1, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L88] var_1_5 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L89] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L90] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_7=149/50, var_1_8=17/2, var_1_9=0] [L91] var_1_7 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_8=17/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_8=17/2, var_1_9=0] [L92] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_8=17/2, var_1_9=0] [L93] var_1_8 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L94] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L95] var_1_10 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L96] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, var_1_10=63, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L97] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, var_1_10=63, var_1_11=64, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L98] var_1_11 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_11 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L99] RET assume_abort_if_not(var_1_11 >= 64) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L100] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=256, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L101] var_1_13 = __VERIFIER_nondet_long() [L102] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L102] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L103] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L104] var_1_14 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_14 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L105] RET assume_abort_if_not(var_1_14 >= 16383) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L106] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L107] var_1_16 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L108] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L109] var_1_17 = __VERIFIER_nondet_double() [L110] 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, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L110] 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, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L111] var_1_18 = __VERIFIER_nondet_double() [L112] 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, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L112] 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, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L113] var_1_20 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L114] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L115] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L115] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L128] RET updateVariables() [L129] CALL step() [L46] COND TRUE ((- 64) + var_1_2) == var_1_3 [L47] var_1_1 = (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - var_1_5) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=-64, var_1_2=64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L51] COND FALSE !(var_1_1 > var_1_4) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=-64, var_1_2=64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L56] COND TRUE var_1_5 == (var_1_2 / var_1_4) [L57] var_1_9 = ((((var_1_5) < (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) ? (var_1_5) : (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=25, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=-64, var_1_2=64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L61] COND TRUE ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) <= ((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) [L62] var_1_12 = ((var_1_14 - var_1_5) + ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=32767, var_1_13=-2147483648, var_1_14=32767, var_1_15=515/8, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=-64, var_1_2=64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L66] COND TRUE (~ (var_1_5 * var_1_12)) <= var_1_9 [L67] var_1_15 = (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=32767, var_1_13=-2147483648, var_1_14=32767, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=-64, var_1_2=64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L71] COND FALSE !(var_1_4 < var_1_3) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=32767, var_1_13=-2147483648, var_1_14=32767, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=-64, var_1_2=64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L76] var_1_21 = var_1_10 VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=32767, var_1_13=-2147483648, var_1_14=32767, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=63, var_1_2=64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L129] RET step() [L130] CALL, EXPR property() [L120-L121] return (((((((((- 64) + var_1_2) == var_1_3) ? (var_1_1 == ((unsigned char) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - var_1_5))) : (var_1_1 == ((unsigned char) (((((128) < (var_1_4)) ? (128) : (var_1_4))) - 64)))) && ((var_1_1 > var_1_4) ? (((- var_1_7) < var_1_8) ? (var_1_6 == ((unsigned long int) 10u)) : 1) : 1)) && ((var_1_5 == (var_1_2 / var_1_4)) ? (var_1_9 == ((unsigned char) ((((var_1_5) < (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) ? (var_1_5) : (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))))) : (var_1_9 == ((unsigned char) ((var_1_10 + var_1_11) - var_1_5))))) && ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) <= ((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4)))) ? (var_1_12 == ((unsigned short int) ((var_1_14 - var_1_5) + ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) : (var_1_12 == ((unsigned short int) var_1_9)))) && (((~ (var_1_5 * var_1_12)) <= var_1_9) ? (var_1_15 == ((double) (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))))) : (var_1_15 == ((double) ((((((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) < (var_1_18)) ? (((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) : (var_1_18))))))) && ((var_1_4 < var_1_3) ? ((var_1_9 > var_1_2) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_21 == ((signed short int) var_1_10)) ; VAL [\result=0, isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=32767, var_1_13=-2147483648, var_1_14=32767, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=63, var_1_2=64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=32767, var_1_13=-2147483648, var_1_14=32767, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=63, var_1_2=64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=63, var_1_11=-192, var_1_12=32767, var_1_13=-2147483648, var_1_14=32767, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=63, var_1_2=64, var_1_3=0, var_1_4=383, var_1_5=512, var_1_6=5, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 90 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 580 NumberOfCodeBlocks, 580 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 324 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1980/2024 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 18:51:06,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_codestructure_normal_file-5.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 7710d3d8ed6481cd43e88ff6929287352d2e234c783bf7a38cf0b449db73c54a --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 18:51:07,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 18:51:08,032 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 18:51:08,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 18:51:08,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 18:51:08,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 18:51:08,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 18:51:08,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 18:51:08,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 18:51:08,078 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 18:51:08,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 18:51:08,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 18:51:08,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 18:51:08,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 18:51:08,078 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 18:51:08,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 18:51:08,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 18:51:08,078 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 18:51:08,079 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 18:51:08,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 18:51:08,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 18:51:08,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:51:08,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 18:51:08,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 18:51:08,085 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 18:51:08,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 18:51:08,085 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 18:51:08,086 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 18:51:08,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 18:51:08,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 18:51:08,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 18:51:08,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 18:51:08,086 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 7710d3d8ed6481cd43e88ff6929287352d2e234c783bf7a38cf0b449db73c54a [2025-03-03 18:51:08,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 18:51:08,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 18:51:08,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 18:51:08,334 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 18:51:08,335 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 18:51:08,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-5.i [2025-03-03 18:51:09,523 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95640a7c8/ab6d884a628f4081a442dbdaa2e71695/FLAGf61dbeaca [2025-03-03 18:51:09,752 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 18:51:09,753 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-5.i [2025-03-03 18:51:09,761 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95640a7c8/ab6d884a628f4081a442dbdaa2e71695/FLAGf61dbeaca [2025-03-03 18:51:10,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95640a7c8/ab6d884a628f4081a442dbdaa2e71695 [2025-03-03 18:51:10,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 18:51:10,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 18:51:10,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 18:51:10,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 18:51:10,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 18:51:10,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799fe5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10, skipping insertion in model container [2025-03-03 18:51:10,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 18:51:10,221 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_codestructure_normal_file-5.i[912,925] [2025-03-03 18:51:10,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:51:10,282 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 18:51:10,288 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_codestructure_normal_file-5.i[912,925] [2025-03-03 18:51:10,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:51:10,317 INFO L204 MainTranslator]: Completed translation [2025-03-03 18:51:10,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10 WrapperNode [2025-03-03 18:51:10,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 18:51:10,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 18:51:10,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 18:51:10,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 18:51:10,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,344 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2025-03-03 18:51:10,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 18:51:10,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 18:51:10,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 18:51:10,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 18:51:10,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,354 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,362 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]. [2025-03-03 18:51:10,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,368 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 18:51:10,373 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 18:51:10,373 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 18:51:10,374 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 18:51:10,374 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (1/1) ... [2025-03-03 18:51:10,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:51:10,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 18:51:10,399 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) [2025-03-03 18:51:10,401 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 [2025-03-03 18:51:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 18:51:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 18:51:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 18:51:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 18:51:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 18:51:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 18:51:10,477 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 18:51:10,479 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 18:51:11,073 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-03 18:51:11,074 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 18:51:11,081 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 18:51:11,081 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 18:51:11,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:51:11 BoogieIcfgContainer [2025-03-03 18:51:11,082 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 18:51:11,084 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 18:51:11,085 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 18:51:11,088 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 18:51:11,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:51:10" (1/3) ... [2025-03-03 18:51:11,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be8bc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:51:11, skipping insertion in model container [2025-03-03 18:51:11,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:51:10" (2/3) ... [2025-03-03 18:51:11,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be8bc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:51:11, skipping insertion in model container [2025-03-03 18:51:11,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:51:11" (3/3) ... [2025-03-03 18:51:11,092 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-5.i [2025-03-03 18:51:11,101 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 18:51:11,102 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-5.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 18:51:11,135 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 18:51:11,145 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;@1f4630a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 18:51:11,146 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 18:51:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-03 18:51:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-03 18:51:11,158 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:51:11,159 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:51:11,159 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:51:11,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:51:11,164 INFO L85 PathProgramCache]: Analyzing trace with hash 263107235, now seen corresponding path program 1 times [2025-03-03 18:51:11,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 18:51:11,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729547329] [2025-03-03 18:51:11,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:51:11,174 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 [2025-03-03 18:51:11,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 18:51:11,178 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) [2025-03-03 18:51:11,179 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 [2025-03-03 18:51:11,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-03 18:51:11,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-03 18:51:11,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:51:11,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:51:11,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 18:51:11,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 18:51:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2025-03-03 18:51:11,477 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 18:51:11,478 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 18:51:11,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729547329] [2025-03-03 18:51:11,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729547329] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 18:51:11,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 18:51:11,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 18:51:11,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11050152] [2025-03-03 18:51:11,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 18:51:11,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 18:51:11,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 18:51:11,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 18:51:11,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:51:11,495 INFO L87 Difference]: Start difference. First operand has 64 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-03 18:51:11,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 18:51:11,510 INFO L93 Difference]: Finished difference Result 122 states and 210 transitions. [2025-03-03 18:51:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 18:51:11,512 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 145 [2025-03-03 18:51:11,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 18:51:11,516 INFO L225 Difference]: With dead ends: 122 [2025-03-03 18:51:11,516 INFO L226 Difference]: Without dead ends: 61 [2025-03-03 18:51:11,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:51:11,520 INFO L435 NwaCegarLoop]: 90 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, 90 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 [2025-03-03 18:51:11,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 18:51:11,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-03-03 18:51:11,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-03-03 18:51:11,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-03 18:51:11,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 90 transitions. [2025-03-03 18:51:11,551 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 90 transitions. Word has length 145 [2025-03-03 18:51:11,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 18:51:11,552 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 90 transitions. [2025-03-03 18:51:11,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-03 18:51:11,552 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 90 transitions. [2025-03-03 18:51:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-03 18:51:11,554 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:51:11,554 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:51:11,563 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 [2025-03-03 18:51:11,754 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 [2025-03-03 18:51:11,755 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:51:11,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:51:11,756 INFO L85 PathProgramCache]: Analyzing trace with hash -545391266, now seen corresponding path program 1 times [2025-03-03 18:51:11,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 18:51:11,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727950378] [2025-03-03 18:51:11,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:51:11,756 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 [2025-03-03 18:51:11,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 18:51:11,760 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) [2025-03-03 18:51:11,761 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 [2025-03-03 18:51:11,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-03 18:51:11,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-03 18:51:11,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:51:11,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:51:11,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-03 18:51:12,005 INFO L279 TraceCheckSpWp]: Computing forward predicates...