./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 57396a3f6522baf465f10477ff1b4f4e1deccf80d42129ee9d03d8e74cd20ef5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 01:14:28,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 01:14:28,575 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 01:14:28,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 01:14:28,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 01:14:28,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 01:14:28,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 01:14:28,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 01:14:28,614 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 01:14:28,614 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 01:14:28,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 01:14:28,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 01:14:28,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 01:14:28,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 01:14:28,616 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 01:14:28,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 01:14:28,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 01:14:28,616 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 01:14:28,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 01:14:28,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 01:14:28,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 01:14:28,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 01:14:28,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 01:14:28,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 01:14:28,617 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 01:14:28,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 01:14:28,617 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 01:14:28,617 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 01:14:28,617 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 01:14:28,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 01:14:28,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 01:14:28,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 01:14:28,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:14:28,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 01:14:28,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 01:14:28,617 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 01:14:28,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 01:14:28,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 01:14:28,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 01:14:28,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 01:14:28,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 01:14:28,620 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 01:14:28,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 01:14:28,620 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-jdk21/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 -> 57396a3f6522baf465f10477ff1b4f4e1deccf80d42129ee9d03d8e74cd20ef5 [2025-02-06 01:14:28,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 01:14:28,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 01:14:28,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 01:14:28,929 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 01:14:28,929 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 01:14:28,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i [2025-02-06 01:14:30,250 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/537f597e3/96120495d7fd4d6f82fc7b61710bc3de/FLAGff652eecd [2025-02-06 01:14:30,557 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 01:14:30,559 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i [2025-02-06 01:14:30,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/537f597e3/96120495d7fd4d6f82fc7b61710bc3de/FLAGff652eecd [2025-02-06 01:14:30,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/537f597e3/96120495d7fd4d6f82fc7b61710bc3de [2025-02-06 01:14:30,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 01:14:30,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 01:14:30,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 01:14:30,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 01:14:30,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 01:14:30,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:30,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f73f04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30, skipping insertion in model container [2025-02-06 01:14:30,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:30,633 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 01:14:30,767 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i[915,928] [2025-02-06 01:14:30,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:14:30,832 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 01:14:30,844 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i[915,928] [2025-02-06 01:14:30,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:14:30,895 INFO L204 MainTranslator]: Completed translation [2025-02-06 01:14:30,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30 WrapperNode [2025-02-06 01:14:30,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 01:14:30,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 01:14:30,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 01:14:30,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 01:14:30,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:30,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:30,955 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2025-02-06 01:14:30,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 01:14:30,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 01:14:30,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 01:14:30,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 01:14:30,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:30,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:30,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:30,994 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]. [2025-02-06 01:14:30,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:30,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:31,010 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:31,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:31,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:31,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:31,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 01:14:31,020 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 01:14:31,021 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 01:14:31,024 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 01:14:31,025 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (1/1) ... [2025-02-06 01:14:31,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:14:31,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 01:14:31,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 01:14:31,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 01:14:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 01:14:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 01:14:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 01:14:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 01:14:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 01:14:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 01:14:31,156 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 01:14:31,158 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 01:14:31,400 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-02-06 01:14:31,400 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 01:14:31,409 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 01:14:31,410 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 01:14:31,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:14:31 BoogieIcfgContainer [2025-02-06 01:14:31,410 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 01:14:31,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 01:14:31,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 01:14:31,419 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 01:14:31,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:14:30" (1/3) ... [2025-02-06 01:14:31,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc9f893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:14:31, skipping insertion in model container [2025-02-06 01:14:31,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:30" (2/3) ... [2025-02-06 01:14:31,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc9f893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:14:31, skipping insertion in model container [2025-02-06 01:14:31,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:14:31" (3/3) ... [2025-02-06 01:14:31,423 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-66.i [2025-02-06 01:14:31,438 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 01:14:31,440 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-66.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 01:14:31,499 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 01:14:31,511 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;@7088f81f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 01:14:31,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 01:14:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 01:14:31,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 01:14:31,528 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:14:31,529 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:14:31,529 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:14:31,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:14:31,537 INFO L85 PathProgramCache]: Analyzing trace with hash 881673775, now seen corresponding path program 1 times [2025-02-06 01:14:31,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 01:14:31,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040713547] [2025-02-06 01:14:31,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:14:31,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 01:14:31,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 01:14:31,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 01:14:31,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:14:31,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:14:31,765 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-02-06 01:14:31,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 01:14:31,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040713547] [2025-02-06 01:14:31,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040713547] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 01:14:31,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815368407] [2025-02-06 01:14:31,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:14:31,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 01:14:31,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 01:14:31,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 01:14:31,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 01:14:31,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 01:14:31,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 01:14:31,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:14:31,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:14:31,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 01:14:31,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 01:14:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-02-06 01:14:31,958 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 01:14:31,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815368407] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 01:14:31,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 01:14:31,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 01:14:31,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687651517] [2025-02-06 01:14:31,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 01:14:31,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 01:14:31,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 01:14:31,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 01:14:31,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:14:31,987 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 01:14:32,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 01:14:32,010 INFO L93 Difference]: Finished difference Result 91 states and 148 transitions. [2025-02-06 01:14:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 01:14:32,012 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2025-02-06 01:14:32,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 01:14:32,019 INFO L225 Difference]: With dead ends: 91 [2025-02-06 01:14:32,019 INFO L226 Difference]: Without dead ends: 44 [2025-02-06 01:14:32,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:14:32,026 INFO L435 NwaCegarLoop]: 65 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, 65 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 [2025-02-06 01:14:32,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 01:14:32,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-02-06 01:14:32,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-02-06 01:14:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 01:14:32,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2025-02-06 01:14:32,060 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 96 [2025-02-06 01:14:32,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 01:14:32,060 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2025-02-06 01:14:32,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 01:14:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2025-02-06 01:14:32,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 01:14:32,065 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:14:32,065 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:14:32,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 01:14:32,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 01:14:32,266 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:14:32,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:14:32,267 INFO L85 PathProgramCache]: Analyzing trace with hash 386844748, now seen corresponding path program 1 times [2025-02-06 01:14:32,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 01:14:32,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449285859] [2025-02-06 01:14:32,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:14:32,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 01:14:32,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 01:14:32,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 01:14:32,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:14:32,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 01:14:32,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453201925] [2025-02-06 01:14:32,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:14:32,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 01:14:32,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 01:14:32,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 01:14:32,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 01:14:32,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 01:14:32,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 01:14:32,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:14:32,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 01:14:32,574 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 01:14:32,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 01:14:32,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 01:14:32,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:14:32,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 01:14:32,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 01:14:32,686 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 01:14:32,687 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 01:14:32,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 01:14:32,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 01:14:32,892 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 01:14:32,971 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 01:14:32,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 01:14:32 BoogieIcfgContainer [2025-02-06 01:14:32,975 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 01:14:32,976 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 01:14:32,976 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 01:14:32,976 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 01:14:32,977 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:14:31" (3/4) ... [2025-02-06 01:14:32,980 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 01:14:32,981 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 01:14:32,982 INFO L158 Benchmark]: Toolchain (without parser) took 2386.10ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 84.1MB in the end (delta: 27.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2025-02-06 01:14:32,983 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 01:14:32,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.32ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 98.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 01:14:32,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.18ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.2MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 01:14:32,985 INFO L158 Benchmark]: Boogie Preprocessor took 61.54ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 92.9MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 01:14:32,986 INFO L158 Benchmark]: IcfgBuilder took 389.71ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 76.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 01:14:32,986 INFO L158 Benchmark]: TraceAbstraction took 1561.82ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 84.1MB in the end (delta: -8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 01:14:32,986 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 84.1MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 01:14:32,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.32ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 98.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.18ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.2MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.54ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 92.9MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 389.71ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 76.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1561.82ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 84.1MB in the end (delta: -8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 84.1MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] unsigned short int var_1_4 = 4; [L24] unsigned short int var_1_7 = 10000; [L25] unsigned short int var_1_9 = 38382; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 100; [L29] double var_1_13 = 5.9; [L30] float var_1_15 = 9.375; [L31] double var_1_16 = 64.75; [L32] double var_1_17 = 99.5; [L33] float var_1_18 = 0.75; [L34] unsigned char last_1_var_1_10 = 0; [L35] double last_1_var_1_13 = 5.9; VAL [isInitial=0, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=4, var_1_7=10000, var_1_9=38382] [L94] isInitial = 1 [L95] FCALL initially() [L96] int k_loop; [L97] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=4, var_1_7=10000, var_1_9=38382] [L97] COND TRUE k_loop < 1 [L98] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L87] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=4, var_1_7=10000, var_1_9=38382] [L98] RET updateLastVariables() [L99] CALL updateVariables() [L60] var_1_4 = __VERIFIER_nondet_ushort() [L61] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_7=10000, var_1_9=38382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_7=10000, var_1_9=38382] [L61] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_7=10000, var_1_9=38382] [L62] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=10000, var_1_9=38382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=10000, var_1_9=38382] [L62] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=10000, var_1_9=38382] [L63] var_1_7 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L64] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L65] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L65] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L66] var_1_9 = __VERIFIER_nondet_ushort() [L67] CALL assume_abort_if_not(var_1_9 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L67] RET assume_abort_if_not(var_1_9 >= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L68] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L68] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L71] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L71] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L72] var_1_12 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L73] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L74] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L74] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L75] var_1_15 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L76] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L77] var_1_16 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L78] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L79] var_1_17 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L80] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L81] var_1_18 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L82] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L83] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L83] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L99] RET updateVariables() [L100] CALL step() [L39] COND TRUE last_1_var_1_10 <= last_1_var_1_10 [L40] var_1_1 = (last_1_var_1_10 + ((last_1_var_1_10 + last_1_var_1_10) + (var_1_7 - last_1_var_1_10))) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L44] COND FALSE !(\read(var_1_11)) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L49] COND TRUE (last_1_var_1_13 + var_1_15) < 16.75f [L50] var_1_13 = ((((((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) < (var_1_17)) ? (((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) : (var_1_17))) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=21/8, var_1_16=0, var_1_17=0, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L100] RET step() [L101] CALL, EXPR property() [L90-L91] return (((last_1_var_1_10 <= last_1_var_1_10) ? (var_1_1 == ((unsigned short int) (last_1_var_1_10 + ((last_1_var_1_10 + last_1_var_1_10) + (var_1_7 - last_1_var_1_10))))) : (var_1_1 == ((unsigned short int) (var_1_9 - var_1_7)))) && (var_1_11 ? ((((var_1_4 % var_1_9) * var_1_1) >= var_1_7) ? (var_1_10 == ((unsigned char) var_1_12)) : 1) : 1)) && (((last_1_var_1_13 + var_1_15) < 16.75f) ? (var_1_13 == ((double) ((((((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) < (var_1_17)) ? (((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) : (var_1_17))))) : (((var_1_17 / var_1_18) <= 49.6) ? (var_1_13 == ((double) var_1_17)) : (var_1_13 == ((double) var_1_16)))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=21/8, var_1_16=0, var_1_17=0, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=21/8, var_1_16=0, var_1_17=0, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=21/8, var_1_16=0, var_1_17=0, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 15, 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, 65 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, 65 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 0.1s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 812/840 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 [2025-02-06 01:14:33,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 57396a3f6522baf465f10477ff1b4f4e1deccf80d42129ee9d03d8e74cd20ef5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 01:14:35,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 01:14:35,404 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 01:14:35,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 01:14:35,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 01:14:35,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 01:14:35,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 01:14:35,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 01:14:35,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 01:14:35,447 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 01:14:35,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 01:14:35,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 01:14:35,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 01:14:35,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 01:14:35,449 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 01:14:35,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 01:14:35,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 01:14:35,449 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 01:14:35,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 01:14:35,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 01:14:35,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 01:14:35,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 01:14:35,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 01:14:35,450 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 01:14:35,450 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 01:14:35,450 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 01:14:35,450 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 01:14:35,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 01:14:35,451 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 01:14:35,451 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 01:14:35,451 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 01:14:35,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 01:14:35,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 01:14:35,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 01:14:35,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:14:35,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 01:14:35,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 01:14:35,452 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 01:14:35,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 01:14:35,452 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 01:14:35,453 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 01:14:35,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 01:14:35,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 01:14:35,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 01:14:35,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 01:14:35,453 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-jdk21/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 -> 57396a3f6522baf465f10477ff1b4f4e1deccf80d42129ee9d03d8e74cd20ef5 [2025-02-06 01:14:35,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 01:14:35,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 01:14:35,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 01:14:35,762 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 01:14:35,763 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 01:14:35,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i [2025-02-06 01:14:37,119 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/424ee7b6e/55a41e7572be403a9f4ef8374eb64ac3/FLAG25dd5db1d [2025-02-06 01:14:37,312 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 01:14:37,313 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i [2025-02-06 01:14:37,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/424ee7b6e/55a41e7572be403a9f4ef8374eb64ac3/FLAG25dd5db1d [2025-02-06 01:14:37,330 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/424ee7b6e/55a41e7572be403a9f4ef8374eb64ac3 [2025-02-06 01:14:37,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 01:14:37,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 01:14:37,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 01:14:37,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 01:14:37,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 01:14:37,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f1a080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37, skipping insertion in model container [2025-02-06 01:14:37,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 01:14:37,464 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i[915,928] [2025-02-06 01:14:37,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:14:37,511 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 01:14:37,519 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i[915,928] [2025-02-06 01:14:37,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 01:14:37,552 INFO L204 MainTranslator]: Completed translation [2025-02-06 01:14:37,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37 WrapperNode [2025-02-06 01:14:37,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 01:14:37,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 01:14:37,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 01:14:37,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 01:14:37,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,588 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2025-02-06 01:14:37,588 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 01:14:37,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 01:14:37,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 01:14:37,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 01:14:37,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,615 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]. [2025-02-06 01:14:37,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 01:14:37,640 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 01:14:37,640 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 01:14:37,640 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 01:14:37,644 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (1/1) ... [2025-02-06 01:14:37,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 01:14:37,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 01:14:37,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 01:14:37,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 01:14:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 01:14:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 01:14:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 01:14:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 01:14:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 01:14:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 01:14:37,784 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 01:14:37,786 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 01:14:52,090 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-02-06 01:14:52,091 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 01:14:52,100 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 01:14:52,101 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 01:14:52,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:14:52 BoogieIcfgContainer [2025-02-06 01:14:52,101 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 01:14:52,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 01:14:52,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 01:14:52,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 01:14:52,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:14:37" (1/3) ... [2025-02-06 01:14:52,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a63f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:14:52, skipping insertion in model container [2025-02-06 01:14:52,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:14:37" (2/3) ... [2025-02-06 01:14:52,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a63f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:14:52, skipping insertion in model container [2025-02-06 01:14:52,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:14:52" (3/3) ... [2025-02-06 01:14:52,108 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-66.i [2025-02-06 01:14:52,119 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 01:14:52,120 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-66.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 01:14:52,168 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 01:14:52,180 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;@35b15ead, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 01:14:52,180 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 01:14:52,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 01:14:52,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 01:14:52,193 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:14:52,194 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:14:52,194 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:14:52,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:14:52,198 INFO L85 PathProgramCache]: Analyzing trace with hash 881673775, now seen corresponding path program 1 times [2025-02-06 01:14:52,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 01:14:52,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232805278] [2025-02-06 01:14:52,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:14:52,207 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 [2025-02-06 01:14:52,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 01:14:52,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-02-06 01:14:52,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 01:14:52,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 01:14:53,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 01:14:53,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:14:53,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:14:53,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 01:14:53,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 01:14:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-02-06 01:14:53,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 01:14:53,077 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 01:14:53,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232805278] [2025-02-06 01:14:53,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232805278] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 01:14:53,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 01:14:53,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 01:14:53,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068292432] [2025-02-06 01:14:53,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 01:14:53,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 01:14:53,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 01:14:53,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 01:14:53,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:14:53,106 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 01:14:53,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 01:14:53,131 INFO L93 Difference]: Finished difference Result 91 states and 148 transitions. [2025-02-06 01:14:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 01:14:53,133 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2025-02-06 01:14:53,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 01:14:53,138 INFO L225 Difference]: With dead ends: 91 [2025-02-06 01:14:53,139 INFO L226 Difference]: Without dead ends: 44 [2025-02-06 01:14:53,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 01:14:53,144 INFO L435 NwaCegarLoop]: 65 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, 65 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 [2025-02-06 01:14:53,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 01:14:53,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-02-06 01:14:53,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-02-06 01:14:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 01:14:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2025-02-06 01:14:53,197 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 96 [2025-02-06 01:14:53,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 01:14:53,198 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2025-02-06 01:14:53,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 01:14:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2025-02-06 01:14:53,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 01:14:53,201 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 01:14:53,201 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 01:14:53,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-06 01:14:53,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-02-06 01:14:53,402 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 01:14:53,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 01:14:53,403 INFO L85 PathProgramCache]: Analyzing trace with hash 386844748, now seen corresponding path program 1 times [2025-02-06 01:14:53,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 01:14:53,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191980910] [2025-02-06 01:14:53,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 01:14:53,404 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 [2025-02-06 01:14:53,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 01:14:53,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-02-06 01:14:53,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 01:14:53,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 01:14:54,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 01:14:54,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 01:14:54,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 01:14:54,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 01:14:54,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 01:15:52,531 WARN L286 SmtUtils]: Spent 7.23s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)