./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 00:03:09,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 00:03:09,534 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-04 00:03:09,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 00:03:09,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 00:03:09,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 00:03:09,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 00:03:09,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 00:03:09,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 00:03:09,562 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 00:03:09,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 00:03:09,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 00:03:09,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 00:03:09,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 00:03:09,564 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 00:03:09,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 00:03:09,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 00:03:09,564 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 00:03:09,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 00:03:09,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 00:03:09,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 00:03:09,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 00:03:09,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 00:03:09,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 00:03:09,565 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 00:03:09,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 00:03:09,565 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 00:03:09,565 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 00:03:09,565 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 00:03:09,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 00:03:09,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 00:03:09,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 00:03:09,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:03:09,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 00:03:09,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 00:03:09,566 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 00:03:09,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 00:03:09,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 00:03:09,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 00:03:09,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 00:03:09,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 00:03:09,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 00:03:09,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 00:03:09,567 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c [2025-03-04 00:03:09,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 00:03:09,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 00:03:09,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 00:03:09,789 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 00:03:09,790 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 00:03:09,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2025-03-04 00:03:10,925 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b39af8ea/88dfe2c6856b45cba1d86353c7ff32b3/FLAGe2cdd25f9 [2025-03-04 00:03:11,118 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 00:03:11,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2025-03-04 00:03:11,125 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b39af8ea/88dfe2c6856b45cba1d86353c7ff32b3/FLAGe2cdd25f9 [2025-03-04 00:03:11,142 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b39af8ea/88dfe2c6856b45cba1d86353c7ff32b3 [2025-03-04 00:03:11,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 00:03:11,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 00:03:11,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 00:03:11,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 00:03:11,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 00:03:11,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e61abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11, skipping insertion in model container [2025-03-04 00:03:11,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 00:03:11,263 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i[915,928] [2025-03-04 00:03:11,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:03:11,287 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 00:03:11,294 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i[915,928] [2025-03-04 00:03:11,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:03:11,320 INFO L204 MainTranslator]: Completed translation [2025-03-04 00:03:11,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11 WrapperNode [2025-03-04 00:03:11,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 00:03:11,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 00:03:11,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 00:03:11,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 00:03:11,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,348 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2025-03-04 00:03:11,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 00:03:11,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 00:03:11,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 00:03:11,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 00:03:11,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,356 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,364 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 00:03:11,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,367 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 00:03:11,370 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 00:03:11,370 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 00:03:11,370 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 00:03:11,371 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (1/1) ... [2025-03-04 00:03:11,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:03:11,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:03:11,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 00:03:11,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 00:03:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 00:03:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 00:03:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 00:03:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 00:03:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 00:03:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 00:03:11,466 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 00:03:11,468 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 00:03:11,632 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-04 00:03:11,632 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 00:03:11,642 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 00:03:11,642 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 00:03:11,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:03:11 BoogieIcfgContainer [2025-03-04 00:03:11,642 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 00:03:11,646 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 00:03:11,646 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 00:03:11,649 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 00:03:11,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:03:11" (1/3) ... [2025-03-04 00:03:11,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aea0146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:03:11, skipping insertion in model container [2025-03-04 00:03:11,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:11" (2/3) ... [2025-03-04 00:03:11,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aea0146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:03:11, skipping insertion in model container [2025-03-04 00:03:11,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:03:11" (3/3) ... [2025-03-04 00:03:11,651 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-17.i [2025-03-04 00:03:11,661 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 00:03:11,662 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-17.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 00:03:11,698 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 00:03:11,709 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;@2c8e43d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 00:03:11,710 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 00:03:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 00:03:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-04 00:03:11,721 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:03:11,721 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:03:11,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:03:11,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:03:11,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1314859377, now seen corresponding path program 1 times [2025-03-04 00:03:11,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 00:03:11,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751031834] [2025-03-04 00:03:11,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:03:11,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 00:03:11,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 00:03:11,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 00:03:11,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:03:11,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 00:03:11,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [189565596] [2025-03-04 00:03:11,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:03:11,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 00:03:11,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:03:11,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 00:03:11,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 00:03:11,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 00:03:11,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 00:03:11,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:03:11,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 00:03:11,963 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 00:03:11,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 00:03:11,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 00:03:11,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:03:11,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 00:03:12,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 00:03:12,039 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 00:03:12,040 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 00:03:12,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 00:03:12,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 00:03:12,248 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-04 00:03:12,281 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 00:03:12,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 12:03:12 BoogieIcfgContainer [2025-03-04 00:03:12,283 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 00:03:12,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 00:03:12,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 00:03:12,285 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 00:03:12,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:03:11" (3/4) ... [2025-03-04 00:03:12,287 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-04 00:03:12,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 00:03:12,289 INFO L158 Benchmark]: Toolchain (without parser) took 1142.87ms. Allocated memory was 553.6MB in the beginning and 167.8MB in the end (delta: -385.9MB). Free memory was 509.7MB in the beginning and 65.0MB in the end (delta: 444.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-04 00:03:12,289 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:03:12,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.25ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 111.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 00:03:12,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.37ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 110.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:03:12,289 INFO L158 Benchmark]: Boogie Preprocessor took 20.62ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 109.1MB in the end (delta: 901.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 00:03:12,289 INFO L158 Benchmark]: IcfgBuilder took 272.45ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 95.5MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 00:03:12,290 INFO L158 Benchmark]: TraceAbstraction took 637.71ms. Allocated memory is still 167.8MB. Free memory was 94.8MB in the beginning and 65.0MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-04 00:03:12,290 INFO L158 Benchmark]: Witness Printer took 3.44ms. Allocated memory is still 167.8MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:03:12,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.25ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 111.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.37ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 110.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.62ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 109.1MB in the end (delta: 901.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 272.45ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 95.5MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 637.71ms. Allocated memory is still 167.8MB. Free memory was 94.8MB in the beginning and 65.0MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.44ms. Allocated memory is still 167.8MB. Free memory is still 65.0MB. 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 70, overapproximation of someBinaryFLOATComparisonOperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.6; [L23] signed char var_1_2 = 5; [L24] signed char var_1_3 = -25; [L25] signed long int var_1_4 = -8; [L26] unsigned char var_1_5 = 1; [L27] signed long int var_1_6 = 256; [L28] unsigned char var_1_7 = 0; [L29] float var_1_8 = 4.6; VAL [isInitial=0, var_1_1=18/5, var_1_2=5, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L79] isInitial = 1 [L80] FCALL initially() [L81] COND TRUE 1 [L82] FCALL updateLastVariables() [L83] CALL updateVariables() [L50] var_1_2 = __VERIFIER_nondet_char() [L51] CALL assume_abort_if_not(var_1_2 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L51] RET assume_abort_if_not(var_1_2 >= -128) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L52] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L52] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L53] var_1_3 = __VERIFIER_nondet_char() [L54] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L54] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L55] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L55] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L56] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L56] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L57] var_1_4 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L58] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L59] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L59] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L60] var_1_5 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_6=256, var_1_7=0, var_1_8=23/5] [L61] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_6=256, var_1_7=0, var_1_8=23/5] [L62] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L62] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L63] var_1_6 = __VERIFIER_nondet_long() [L64] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=23/5] [L64] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=23/5] [L65] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=23/5] [L65] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=23/5] [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_8=23/5] [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_8=23/5] [L68] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-255, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-255, var_1_8=23/5] [L68] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-255, var_1_8=23/5] [L69] var_1_8 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-255] [L70] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=18/5, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-255] [L83] RET updateVariables() [L84] CALL step() [L33] COND FALSE !((var_1_2 / var_1_3) < var_1_4) [L46] var_1_1 = var_1_8 VAL [isInitial=1, var_1_1=2, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-255, var_1_8=2] [L84] RET step() [L85] CALL, EXPR property() [L75-L76] return ((var_1_2 / var_1_3) < var_1_4) ? (var_1_5 ? ((var_1_4 <= ((((var_1_3) < ((var_1_2 * var_1_6))) ? (var_1_3) : ((var_1_2 * var_1_6))))) ? (var_1_7 ? (var_1_1 == ((float) var_1_8)) : (var_1_1 == ((float) var_1_8))) : (var_1_1 == ((float) var_1_8))) : 1) : (var_1_1 == ((float) var_1_8)) ; VAL [\result=0, isInitial=1, var_1_1=2, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-255, var_1_8=2] [L85] RET, EXPR property() [L85] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=2, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-255, var_1_8=2] [L19] reach_error() VAL [isInitial=1, var_1_1=2, var_1_2=1, var_1_3=2, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-255, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-04 00:03:12,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 00:03:14,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 00:03:14,240 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-04 00:03:14,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 00:03:14,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 00:03:14,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 00:03:14,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 00:03:14,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 00:03:14,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 00:03:14,268 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 00:03:14,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 00:03:14,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 00:03:14,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 00:03:14,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 00:03:14,269 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 00:03:14,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 00:03:14,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 00:03:14,269 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 00:03:14,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 00:03:14,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 00:03:14,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 00:03:14,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 00:03:14,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 00:03:14,270 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 00:03:14,270 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 00:03:14,270 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 00:03:14,270 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 00:03:14,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 00:03:14,270 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 00:03:14,270 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 00:03:14,271 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:03:14,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 00:03:14,272 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c [2025-03-04 00:03:14,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 00:03:14,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 00:03:14,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 00:03:14,502 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 00:03:14,503 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 00:03:14,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2025-03-04 00:03:15,658 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98e4849db/44af72e3dac14e98b8a5a796f80dc0fa/FLAG94d51b878 [2025-03-04 00:03:15,887 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 00:03:15,888 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2025-03-04 00:03:15,896 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98e4849db/44af72e3dac14e98b8a5a796f80dc0fa/FLAG94d51b878 [2025-03-04 00:03:15,911 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98e4849db/44af72e3dac14e98b8a5a796f80dc0fa [2025-03-04 00:03:15,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 00:03:15,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 00:03:15,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 00:03:15,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 00:03:15,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 00:03:15,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:03:15" (1/1) ... [2025-03-04 00:03:15,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f1aceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:15, skipping insertion in model container [2025-03-04 00:03:15,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:03:15" (1/1) ... [2025-03-04 00:03:15,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 00:03:16,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i[915,928] [2025-03-04 00:03:16,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:03:16,045 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 00:03:16,053 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i[915,928] [2025-03-04 00:03:16,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:03:16,075 INFO L204 MainTranslator]: Completed translation [2025-03-04 00:03:16,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16 WrapperNode [2025-03-04 00:03:16,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 00:03:16,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 00:03:16,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 00:03:16,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 00:03:16,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,100 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2025-03-04 00:03:16,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 00:03:16,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 00:03:16,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 00:03:16,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 00:03:16,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,108 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,119 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 00:03:16,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,124 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 00:03:16,128 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 00:03:16,128 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 00:03:16,129 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 00:03:16,129 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (1/1) ... [2025-03-04 00:03:16,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:03:16,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:03:16,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 00:03:16,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 00:03:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 00:03:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 00:03:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 00:03:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 00:03:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 00:03:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 00:03:16,217 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 00:03:16,218 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 00:03:16,400 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-04 00:03:16,401 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 00:03:16,407 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 00:03:16,407 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 00:03:16,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:03:16 BoogieIcfgContainer [2025-03-04 00:03:16,407 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 00:03:16,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 00:03:16,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 00:03:16,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 00:03:16,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:03:15" (1/3) ... [2025-03-04 00:03:16,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd873ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:03:16, skipping insertion in model container [2025-03-04 00:03:16,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:03:16" (2/3) ... [2025-03-04 00:03:16,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd873ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:03:16, skipping insertion in model container [2025-03-04 00:03:16,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:03:16" (3/3) ... [2025-03-04 00:03:16,416 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-17.i [2025-03-04 00:03:16,426 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 00:03:16,427 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-17.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 00:03:16,463 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 00:03:16,471 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;@45991572, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 00:03:16,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 00:03:16,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 00:03:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-04 00:03:16,480 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:03:16,480 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:03:16,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:03:16,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:03:16,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1314859377, now seen corresponding path program 1 times [2025-03-04 00:03:16,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:03:16,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373030654] [2025-03-04 00:03:16,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:03:16,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-04 00:03:16,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:03:16,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-04 00:03:16,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-04 00:03:16,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 00:03:16,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 00:03:16,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:03:16,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:03:16,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-04 00:03:16,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:03:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-04 00:03:17,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 00:03:17,460 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 00:03:17,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373030654] [2025-03-04 00:03:17,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373030654] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 00:03:17,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 00:03:17,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 00:03:17,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310882831] [2025-03-04 00:03:17,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 00:03:17,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 00:03:17,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 00:03:17,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 00:03:17,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 00:03:17,479 INFO L87 Difference]: Start difference. First operand has 43 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-03-04 00:03:19,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:03:19,346 INFO L93 Difference]: Finished difference Result 92 states and 148 transitions. [2025-03-04 00:03:19,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 00:03:19,356 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 87 [2025-03-04 00:03:19,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:03:19,365 INFO L225 Difference]: With dead ends: 92 [2025-03-04 00:03:19,365 INFO L226 Difference]: Without dead ends: 52 [2025-03-04 00:03:19,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2025-03-04 00:03:19,371 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 52 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 00:03:19,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 162 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 00:03:19,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-03-04 00:03:19,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2025-03-04 00:03:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 00:03:19,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2025-03-04 00:03:19,412 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 87 [2025-03-04 00:03:19,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:03:19,412 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2025-03-04 00:03:19,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-03-04 00:03:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2025-03-04 00:03:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-04 00:03:19,416 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:03:19,416 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:03:19,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-04 00:03:19,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-04 00:03:19,618 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:03:19,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:03:19,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2071703205, now seen corresponding path program 1 times [2025-03-04 00:03:19,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:03:19,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593408051] [2025-03-04 00:03:19,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:03:19,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-04 00:03:19,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:03:19,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-04 00:03:19,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-04 00:03:19,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-04 00:03:19,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-04 00:03:19,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:03:19,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:03:19,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 00:03:19,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:03:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-03-04 00:03:20,093 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 00:03:20,093 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 00:03:20,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593408051] [2025-03-04 00:03:20,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593408051] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 00:03:20,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 00:03:20,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 00:03:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041032502] [2025-03-04 00:03:20,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 00:03:20,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 00:03:20,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 00:03:20,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 00:03:20,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 00:03:20,095 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2025-03-04 00:03:20,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:03:20,817 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2025-03-04 00:03:20,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 00:03:20,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 88 [2025-03-04 00:03:20,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:03:20,826 INFO L225 Difference]: With dead ends: 58 [2025-03-04 00:03:20,826 INFO L226 Difference]: Without dead ends: 56 [2025-03-04 00:03:20,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-04 00:03:20,827 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 22 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 00:03:20,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 210 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 00:03:20,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-03-04 00:03:20,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 47. [2025-03-04 00:03:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 00:03:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2025-03-04 00:03:20,833 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 88 [2025-03-04 00:03:20,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:03:20,834 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2025-03-04 00:03:20,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2025-03-04 00:03:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2025-03-04 00:03:20,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-04 00:03:20,835 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:03:20,835 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:03:20,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-04 00:03:21,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-04 00:03:21,037 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:03:21,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:03:21,038 INFO L85 PathProgramCache]: Analyzing trace with hash 175913038, now seen corresponding path program 1 times [2025-03-04 00:03:21,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:03:21,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2014877536] [2025-03-04 00:03:21,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:03:21,039 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-04 00:03:21,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:03:21,040 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-04 00:03:21,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-04 00:03:21,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 00:03:21,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 00:03:21,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:03:21,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:03:21,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 00:03:21,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:03:22,536 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-04 00:03:22,536 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 00:03:22,536 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 00:03:22,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2014877536] [2025-03-04 00:03:22,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2014877536] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 00:03:22,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 00:03:22,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 00:03:22,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088780528] [2025-03-04 00:03:22,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 00:03:22,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 00:03:22,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 00:03:22,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 00:03:22,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-03-04 00:03:22,541 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-03-04 00:03:25,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:03:25,304 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2025-03-04 00:03:25,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 00:03:25,311 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 89 [2025-03-04 00:03:25,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:03:25,311 INFO L225 Difference]: With dead ends: 58 [2025-03-04 00:03:25,311 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 00:03:25,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2025-03-04 00:03:25,312 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 56 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-04 00:03:25,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 190 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-04 00:03:25,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 00:03:25,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 00:03:25,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 00:03:25,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 00:03:25,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2025-03-04 00:03:25,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:03:25,314 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 00:03:25,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-03-04 00:03:25,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 00:03:25,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 00:03:25,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 00:03:25,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-03-04 00:03:25,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-04 00:03:25,519 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-04 00:03:25,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 00:03:26,047 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 00:03:26,054 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-04 00:03:26,055 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-04 00:03:26,055 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-04 00:03:26,055 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-04 00:03:26,055 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-04 00:03:26,055 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-04 00:03:26,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 12:03:26 BoogieIcfgContainer [2025-03-04 00:03:26,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 00:03:26,056 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 00:03:26,056 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 00:03:26,056 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 00:03:26,057 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:03:16" (3/4) ... [2025-03-04 00:03:26,058 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 00:03:26,064 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-04 00:03:26,067 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-03-04 00:03:26,067 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-04 00:03:26,067 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 00:03:26,067 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 00:03:26,129 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 00:03:26,130 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 00:03:26,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 00:03:26,131 INFO L158 Benchmark]: Toolchain (without parser) took 10217.09ms. Allocated memory is still 100.7MB. Free memory was 75.8MB in the beginning and 69.4MB in the end (delta: 6.5MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2025-03-04 00:03:26,131 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:03:26,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.05ms. Allocated memory is still 100.7MB. Free memory was 75.6MB in the beginning and 63.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 00:03:26,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.79ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 62.0MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 00:03:26,132 INFO L158 Benchmark]: Boogie Preprocessor took 27.22ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 60.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:03:26,132 INFO L158 Benchmark]: IcfgBuilder took 278.99ms. Allocated memory is still 100.7MB. Free memory was 60.3MB in the beginning and 47.4MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 00:03:26,132 INFO L158 Benchmark]: TraceAbstraction took 9646.30ms. Allocated memory is still 100.7MB. Free memory was 46.8MB in the beginning and 25.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2025-03-04 00:03:26,132 INFO L158 Benchmark]: Witness Printer took 74.12ms. Allocated memory is still 100.7MB. Free memory was 25.8MB in the beginning and 69.4MB in the end (delta: -43.5MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2025-03-04 00:03:26,134 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.05ms. Allocated memory is still 100.7MB. Free memory was 75.6MB in the beginning and 63.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.79ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 62.0MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.22ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 60.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 278.99ms. Allocated memory is still 100.7MB. Free memory was 60.3MB in the beginning and 47.4MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9646.30ms. Allocated memory is still 100.7MB. Free memory was 46.8MB in the beginning and 25.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 74.12ms. Allocated memory is still 100.7MB. Free memory was 25.8MB in the beginning and 69.4MB in the end (delta: -43.5MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 3, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 132 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 562 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 427 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 463 IncrementalHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 135 mSDtfsCounter, 463 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=1, InterpolantAutomatonStates: 32, 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, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 876 SizeOfPredicates, 20 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1092/1092 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 00:03:26,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE