./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-70.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_steplocals_file-70.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 90d5318b6ab267925cc9b14b9341f7df3520ab123eab7de4aa42a43e52e9f8ff --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 10:16:55,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 10:16:55,439 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 10:16:55,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 10:16:55,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 10:16:55,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 10:16:55,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 10:16:55,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 10:16:55,463 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 10:16:55,463 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 10:16:55,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 10:16:55,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 10:16:55,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 10:16:55,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 10:16:55,464 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 10:16:55,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 10:16:55,465 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 10:16:55,465 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 10:16:55,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 10:16:55,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 10:16:55,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 10:16:55,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 10:16:55,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 10:16:55,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 10:16:55,466 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 10:16:55,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 10:16:55,466 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 10:16:55,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 10:16:55,467 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 10:16:55,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 10:16:55,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 10:16:55,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 10:16:55,467 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 -> 90d5318b6ab267925cc9b14b9341f7df3520ab123eab7de4aa42a43e52e9f8ff [2025-03-08 10:16:55,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 10:16:55,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 10:16:55,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 10:16:55,698 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 10:16:55,699 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 10:16:55,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-70.i [2025-03-08 10:16:56,846 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f616d5c/f9f4f2ef8e4e4d7a9e30de64bbbe5103/FLAGf33e6af0d [2025-03-08 10:16:57,060 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 10:16:57,060 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-70.i [2025-03-08 10:16:57,068 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f616d5c/f9f4f2ef8e4e4d7a9e30de64bbbe5103/FLAGf33e6af0d [2025-03-08 10:16:57,079 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f616d5c/f9f4f2ef8e4e4d7a9e30de64bbbe5103 [2025-03-08 10:16:57,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 10:16:57,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 10:16:57,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 10:16:57,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 10:16:57,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 10:16:57,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3528870c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57, skipping insertion in model container [2025-03-08 10:16:57,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,098 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 10:16:57,178 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_steplocals_file-70.i[917,930] [2025-03-08 10:16:57,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 10:16:57,224 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 10:16:57,231 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_steplocals_file-70.i[917,930] [2025-03-08 10:16:57,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 10:16:57,259 INFO L204 MainTranslator]: Completed translation [2025-03-08 10:16:57,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57 WrapperNode [2025-03-08 10:16:57,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 10:16:57,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 10:16:57,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 10:16:57,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 10:16:57,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,308 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2025-03-08 10:16:57,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 10:16:57,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 10:16:57,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 10:16:57,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 10:16:57,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,321 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,337 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]. [2025-03-08 10:16:57,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,344 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 10:16:57,356 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 10:16:57,356 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 10:16:57,356 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 10:16:57,358 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (1/1) ... [2025-03-08 10:16:57,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 10:16:57,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 10:16:57,383 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) [2025-03-08 10:16:57,389 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 [2025-03-08 10:16:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 10:16:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 10:16:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 10:16:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 10:16:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 10:16:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 10:16:57,466 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 10:16:57,467 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 10:16:57,785 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-03-08 10:16:57,786 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 10:16:57,794 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 10:16:57,795 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 10:16:57,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:16:57 BoogieIcfgContainer [2025-03-08 10:16:57,795 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 10:16:57,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 10:16:57,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 10:16:57,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 10:16:57,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:16:57" (1/3) ... [2025-03-08 10:16:57,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f74560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:16:57, skipping insertion in model container [2025-03-08 10:16:57,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:16:57" (2/3) ... [2025-03-08 10:16:57,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f74560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:16:57, skipping insertion in model container [2025-03-08 10:16:57,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:16:57" (3/3) ... [2025-03-08 10:16:57,801 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-70.i [2025-03-08 10:16:57,812 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 10:16:57,815 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-70.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 10:16:57,872 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 10:16:57,882 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;@5e7c6314, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 10:16:57,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 10:16:57,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 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) [2025-03-08 10:16:57,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-08 10:16:57,897 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 10:16:57,898 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] [2025-03-08 10:16:57,898 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 10:16:57,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 10:16:57,903 INFO L85 PathProgramCache]: Analyzing trace with hash -933488699, now seen corresponding path program 1 times [2025-03-08 10:16:57,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 10:16:57,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577667702] [2025-03-08 10:16:57,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 10:16:57,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 10:16:57,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 10:16:58,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 10:16:58,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 10:16:58,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 10:16:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-08 10:16:58,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 10:16:58,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577667702] [2025-03-08 10:16:58,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577667702] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 10:16:58,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821162416] [2025-03-08 10:16:58,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 10:16:58,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 10:16:58,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 10:16:58,185 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) [2025-03-08 10:16:58,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 10:16:58,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 10:16:58,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 10:16:58,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 10:16:58,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 10:16:58,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 10:16:58,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 10:16:58,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-08 10:16:58,372 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 10:16:58,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821162416] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 10:16:58,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 10:16:58,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 10:16:58,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742014611] [2025-03-08 10:16:58,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 10:16:58,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 10:16:58,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 10:16:58,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 10:16:58,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 10:16:58,397 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 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 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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) [2025-03-08 10:16:58,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 10:16:58,417 INFO L93 Difference]: Finished difference Result 120 states and 208 transitions. [2025-03-08 10:16:58,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 10:16:58,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (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 144 [2025-03-08 10:16:58,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 10:16:58,424 INFO L225 Difference]: With dead ends: 120 [2025-03-08 10:16:58,424 INFO L226 Difference]: Without dead ends: 60 [2025-03-08 10:16:58,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 10:16:58,431 INFO L435 NwaCegarLoop]: 89 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, 89 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 [2025-03-08 10:16:58,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 10:16:58,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-03-08 10:16:58,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-03-08 10:16:58,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 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) [2025-03-08 10:16:58,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2025-03-08 10:16:58,461 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 144 [2025-03-08 10:16:58,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 10:16:58,461 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2025-03-08 10:16:58,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (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) [2025-03-08 10:16:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2025-03-08 10:16:58,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-08 10:16:58,464 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 10:16:58,464 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] [2025-03-08 10:16:58,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 10:16:58,666 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 [2025-03-08 10:16:58,666 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 10:16:58,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 10:16:58,667 INFO L85 PathProgramCache]: Analyzing trace with hash 25470856, now seen corresponding path program 1 times [2025-03-08 10:16:58,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 10:16:58,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224057114] [2025-03-08 10:16:58,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 10:16:58,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 10:16:58,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 10:16:58,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 10:16:58,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 10:16:58,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-08 10:16:58,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1340695100] [2025-03-08 10:16:58,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 10:16:58,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 10:16:58,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 10:16:58,885 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) [2025-03-08 10:16:58,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 10:16:58,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 10:16:58,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 10:16:58,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 10:16:58,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 10:16:58,996 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 10:16:59,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 10:16:59,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 10:16:59,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 10:16:59,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 10:16:59,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 10:16:59,098 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 10:16:59,099 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 10:16:59,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 10:16:59,300 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 [2025-03-08 10:16:59,303 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 10:16:59,368 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 10:16:59,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:16:59 BoogieIcfgContainer [2025-03-08 10:16:59,370 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 10:16:59,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 10:16:59,370 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 10:16:59,370 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 10:16:59,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:16:57" (3/4) ... [2025-03-08 10:16:59,372 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 10:16:59,373 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 10:16:59,374 INFO L158 Benchmark]: Toolchain (without parser) took 2292.31ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 105.9MB in the end (delta: -253.8kB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2025-03-08 10:16:59,374 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 10:16:59,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.51ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 91.6MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 10:16:59,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.73ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 87.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 10:16:59,375 INFO L158 Benchmark]: Boogie Preprocessor took 45.59ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 83.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 10:16:59,375 INFO L158 Benchmark]: IcfgBuilder took 439.11ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 61.2MB in the end (delta: 21.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 10:16:59,375 INFO L158 Benchmark]: TraceAbstraction took 1573.01ms. Allocated memory is still 142.6MB. Free memory was 61.2MB in the beginning and 106.0MB in the end (delta: -44.7MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2025-03-08 10:16:59,375 INFO L158 Benchmark]: Witness Printer took 2.74ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.9MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 10:16:59,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.51ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 91.6MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.73ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 87.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.59ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 83.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 439.11ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 61.2MB in the end (delta: 21.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1573.01ms. Allocated memory is still 142.6MB. Free memory was 61.2MB in the beginning and 106.0MB in the end (delta: -44.7MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Witness Printer took 2.74ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.9MB in the end (delta: 37.0kB). 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 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 119, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.05; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 4; [L25] unsigned char var_1_4 = 4; [L26] unsigned char var_1_5 = 1; [L27] double var_1_6 = 0.0; [L28] double var_1_7 = 49.5; [L29] double var_1_8 = 16.75; [L30] unsigned short int var_1_9 = 1; [L31] unsigned char var_1_10 = 1; [L32] unsigned long int var_1_11 = 8; [L33] unsigned char var_1_12 = 0; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 32; [L36] unsigned char var_1_15 = 50; [L37] unsigned char var_1_16 = 8; [L38] unsigned char var_1_17 = 32; [L39] unsigned long int var_1_18 = 2; [L40] unsigned long int var_1_19 = 3876014737; [L41] unsigned char var_1_20 = 0; VAL [isInitial=0, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_3=4, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L123] isInitial = 1 [L124] FCALL initially() [L125] COND TRUE 1 [L126] FCALL updateLastVariables() [L127] CALL updateVariables() [L79] var_1_2 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_3=4, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_3=4, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L80] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_3=4, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_3=4, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_3=4, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L81] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_3=4, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L82] var_1_3 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L83] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L84] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_4=4, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L85] var_1_4 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L86] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L87] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [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=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L89] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L90] CALL assume_abort_if_not(var_1_5 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L90] RET assume_abort_if_not(var_1_5 <= 255) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L91] var_1_6 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L92] RET assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L93] var_1_7 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_8=67/4, var_1_9=1] [L94] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_8=67/4, var_1_9=1] [L95] var_1_8 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L96] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L97] var_1_10 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L98] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L99] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L99] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L100] var_1_13 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L101] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L102] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L102] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L103] var_1_15 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L104] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L105] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L105] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L106] var_1_16 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L107] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L108] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L108] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L109] var_1_17 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L110] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L111] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L111] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L112] var_1_19 = __VERIFIER_nondet_ulong() [L113] CALL assume_abort_if_not(var_1_19 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L113] RET assume_abort_if_not(var_1_19 >= 3221225470) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L114] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_9=1] [L127] RET updateVariables() [L128] CALL step() [L45] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=57, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_1=101/20, var_1_20=0, var_1_2=1, var_1_3=57, var_1_9=1] [L46] COND TRUE stepLocal_0 >= (- ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) [L47] var_1_1 = (((var_1_6 - var_1_7) - ((((64.75) > (128.725)) ? (64.75) : (128.725)))) + var_1_8) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_20=0, var_1_2=1, var_1_3=57, var_1_4=255, var_1_5=0, var_1_9=1] [L51] COND FALSE !(var_1_6 > ((((var_1_8) < (var_1_1)) ? (var_1_8) : (var_1_1)))) VAL [isInitial=1, var_1_10=-255, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_20=0, var_1_2=1, var_1_3=57, var_1_4=255, var_1_5=0, var_1_9=1] [L60] var_1_11 = (var_1_3 + (((((var_1_9) < (var_1_4)) ? (var_1_9) : (var_1_4))) + 2u)) VAL [isInitial=1, var_1_10=-255, var_1_11=60, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_20=0, var_1_2=1, var_1_3=57, var_1_4=255, var_1_5=0, var_1_9=1] [L61] COND TRUE \read(var_1_2) [L62] var_1_12 = var_1_13 VAL [isInitial=1, var_1_10=-255, var_1_11=60, var_1_12=1, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_20=0, var_1_2=1, var_1_3=57, var_1_4=255, var_1_5=0, var_1_9=1] [L64] COND TRUE (8 - 64) <= (var_1_9 - var_1_3) [L65] var_1_14 = (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))) VAL [isInitial=1, var_1_10=-255, var_1_11=60, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-1073741826, var_1_20=0, var_1_2=1, var_1_3=57, var_1_4=255, var_1_5=0, var_1_9=1] [L69] COND TRUE \read(var_1_13) [L70] var_1_18 = ((var_1_19 - var_1_9) - var_1_14) VAL [isInitial=1, var_1_10=-255, var_1_11=60, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=-1073741827, var_1_19=-1073741826, var_1_20=0, var_1_2=1, var_1_3=57, var_1_4=255, var_1_5=0, var_1_9=1] [L74] COND TRUE (var_1_5 / var_1_19) <= ((((var_1_4) < (var_1_9)) ? (var_1_4) : (var_1_9))) [L75] var_1_20 = var_1_13 VAL [isInitial=1, var_1_10=-255, var_1_11=60, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=-1073741827, var_1_19=-1073741826, var_1_20=1, var_1_2=1, var_1_3=57, var_1_4=255, var_1_5=0, var_1_9=1] [L128] RET step() [L129] CALL, EXPR property() [L119-L120] return (((((((var_1_3 >= (- ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (var_1_1 == ((double) (((var_1_6 - var_1_7) - ((((64.75) > (128.725)) ? (64.75) : (128.725)))) + var_1_8))) : (var_1_1 == ((double) var_1_7))) && ((var_1_6 > ((((var_1_8) < (var_1_1)) ? (var_1_8) : (var_1_1)))) ? ((! ((var_1_1 == var_1_7) && (var_1_2 || var_1_10))) ? ((! (var_1_6 <= var_1_7)) ? (var_1_9 == ((unsigned short int) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) : (var_1_9 == ((unsigned short int) var_1_4))) : 1)) && (var_1_11 == ((unsigned long int) (var_1_3 + (((((var_1_9) < (var_1_4)) ? (var_1_9) : (var_1_4))) + 2u))))) && (var_1_2 ? (var_1_12 == ((unsigned char) var_1_13)) : 1)) && (((8 - 64) <= (var_1_9 - var_1_3)) ? (var_1_14 == ((unsigned char) (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_17)))) && (var_1_13 ? (var_1_18 == ((unsigned long int) ((var_1_19 - var_1_9) - var_1_14))) : (var_1_18 == ((unsigned long int) (((((var_1_19 - var_1_17)) > (var_1_15)) ? ((var_1_19 - var_1_17)) : (var_1_15))))))) && (((var_1_5 / var_1_19) <= ((((var_1_4) < (var_1_9)) ? (var_1_4) : (var_1_9)))) ? (var_1_20 == ((unsigned char) var_1_13)) : 1) ; VAL [\result=0, isInitial=1, var_1_10=-255, var_1_11=60, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=-1073741827, var_1_19=-1073741826, var_1_20=1, var_1_2=1, var_1_3=57, var_1_4=255, var_1_5=0, var_1_9=1] [L129] RET, EXPR property() [L129] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-255, var_1_11=60, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=-1073741827, var_1_19=-1073741826, var_1_20=1, var_1_2=1, var_1_3=57, var_1_4=255, var_1_5=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=-255, var_1_11=60, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=-1073741827, var_1_19=-1073741826, var_1_20=1, var_1_2=1, var_1_3=57, var_1_4=255, var_1_5=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 118 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 89 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, 89 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 576 NumberOfCodeBlocks, 576 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 318 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 [2025-03-08 10:16:59,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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_steplocals_file-70.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 90d5318b6ab267925cc9b14b9341f7df3520ab123eab7de4aa42a43e52e9f8ff --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 10:17:01,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 10:17:01,203 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 10:17:01,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 10:17:01,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 10:17:01,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 10:17:01,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 10:17:01,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 10:17:01,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 10:17:01,262 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 10:17:01,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 10:17:01,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 10:17:01,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 10:17:01,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 10:17:01,263 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 10:17:01,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 10:17:01,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 10:17:01,263 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 10:17:01,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 10:17:01,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 10:17:01,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 10:17:01,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 10:17:01,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 10:17:01,264 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 10:17:01,264 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 10:17:01,264 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 10:17:01,264 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 10:17:01,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 10:17:01,264 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 10:17:01,265 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 10:17:01,265 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 10:17:01,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 10:17:01,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 10:17:01,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 10:17:01,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 10:17:01,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 10:17:01,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 10:17:01,266 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 10:17:01,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 10:17:01,266 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 10:17:01,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 10:17:01,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 10:17:01,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 10:17:01,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 10:17:01,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 10:17:01,266 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 -> 90d5318b6ab267925cc9b14b9341f7df3520ab123eab7de4aa42a43e52e9f8ff [2025-03-08 10:17:01,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 10:17:01,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 10:17:01,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 10:17:01,501 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 10:17:01,502 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 10:17:01,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-70.i [2025-03-08 10:17:02,658 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442edcaf3/562745cc38e14f289f7bfecaa2afcc2f/FLAG876623c2a [2025-03-08 10:17:02,868 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 10:17:02,868 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-70.i [2025-03-08 10:17:02,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442edcaf3/562745cc38e14f289f7bfecaa2afcc2f/FLAG876623c2a [2025-03-08 10:17:02,893 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442edcaf3/562745cc38e14f289f7bfecaa2afcc2f [2025-03-08 10:17:02,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 10:17:02,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 10:17:02,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 10:17:02,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 10:17:02,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 10:17:02,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:17:02" (1/1) ... [2025-03-08 10:17:02,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b28c9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:02, skipping insertion in model container [2025-03-08 10:17:02,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:17:02" (1/1) ... [2025-03-08 10:17:02,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 10:17:03,025 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_steplocals_file-70.i[917,930] [2025-03-08 10:17:03,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 10:17:03,088 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 10:17:03,096 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_steplocals_file-70.i[917,930] [2025-03-08 10:17:03,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 10:17:03,123 INFO L204 MainTranslator]: Completed translation [2025-03-08 10:17:03,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03 WrapperNode [2025-03-08 10:17:03,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 10:17:03,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 10:17:03,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 10:17:03,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 10:17:03,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,163 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2025-03-08 10:17:03,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 10:17:03,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 10:17:03,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 10:17:03,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 10:17:03,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,178 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,193 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]. [2025-03-08 10:17:03,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,203 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 10:17:03,209 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 10:17:03,209 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 10:17:03,209 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 10:17:03,209 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (1/1) ... [2025-03-08 10:17:03,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 10:17:03,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 10:17:03,237 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) [2025-03-08 10:17:03,240 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 [2025-03-08 10:17:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 10:17:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 10:17:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 10:17:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 10:17:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 10:17:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 10:17:03,323 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 10:17:03,324 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 10:17:09,078 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-03-08 10:17:09,079 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 10:17:09,093 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 10:17:09,093 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 10:17:09,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:17:09 BoogieIcfgContainer [2025-03-08 10:17:09,094 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 10:17:09,096 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 10:17:09,096 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 10:17:09,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 10:17:09,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:17:02" (1/3) ... [2025-03-08 10:17:09,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502709a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:17:09, skipping insertion in model container [2025-03-08 10:17:09,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:17:03" (2/3) ... [2025-03-08 10:17:09,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502709a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:17:09, skipping insertion in model container [2025-03-08 10:17:09,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:17:09" (3/3) ... [2025-03-08 10:17:09,103 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-70.i [2025-03-08 10:17:09,115 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 10:17:09,116 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-70.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 10:17:09,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 10:17:09,157 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;@68c83fcb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 10:17:09,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 10:17:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 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) [2025-03-08 10:17:09,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-08 10:17:09,166 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 10:17:09,166 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] [2025-03-08 10:17:09,167 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 10:17:09,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 10:17:09,170 INFO L85 PathProgramCache]: Analyzing trace with hash -933488699, now seen corresponding path program 1 times [2025-03-08 10:17:09,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 10:17:09,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379610522] [2025-03-08 10:17:09,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 10:17:09,178 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 [2025-03-08 10:17:09,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 10:17:09,180 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) [2025-03-08 10:17:09,181 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 [2025-03-08 10:17:09,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 10:17:09,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 10:17:09,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 10:17:09,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 10:17:09,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 10:17:09,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 10:17:09,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2025-03-08 10:17:09,533 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 10:17:09,533 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 10:17:09,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379610522] [2025-03-08 10:17:09,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379610522] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 10:17:09,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 10:17:09,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 10:17:09,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729032273] [2025-03-08 10:17:09,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 10:17:09,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 10:17:09,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 10:17:09,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 10:17:09,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 10:17:09,553 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 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 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2025-03-08 10:17:09,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 10:17:09,575 INFO L93 Difference]: Finished difference Result 120 states and 208 transitions. [2025-03-08 10:17:09,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 10:17:09,577 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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 144 [2025-03-08 10:17:09,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 10:17:09,583 INFO L225 Difference]: With dead ends: 120 [2025-03-08 10:17:09,584 INFO L226 Difference]: Without dead ends: 60 [2025-03-08 10:17:09,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 10:17:09,588 INFO L435 NwaCegarLoop]: 89 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, 89 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 [2025-03-08 10:17:09,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 10:17:09,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-03-08 10:17:09,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-03-08 10:17:09,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 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) [2025-03-08 10:17:09,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2025-03-08 10:17:09,628 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 144 [2025-03-08 10:17:09,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 10:17:09,629 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2025-03-08 10:17:09,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2025-03-08 10:17:09,629 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2025-03-08 10:17:09,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-08 10:17:09,632 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 10:17:09,632 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] [2025-03-08 10:17:09,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-08 10:17:09,833 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 [2025-03-08 10:17:09,834 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 10:17:09,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 10:17:09,835 INFO L85 PathProgramCache]: Analyzing trace with hash 25470856, now seen corresponding path program 1 times [2025-03-08 10:17:09,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 10:17:09,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575050842] [2025-03-08 10:17:09,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 10:17:09,836 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 [2025-03-08 10:17:09,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 10:17:09,839 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) [2025-03-08 10:17:09,840 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 [2025-03-08 10:17:09,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 10:17:10,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 10:17:10,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 10:17:10,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 10:17:10,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-08 10:17:10,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 10:18:08,078 WARN L286 SmtUtils]: Spent 6.74s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)