./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cf3add05c45b0b04bd0d1457ef1e7330de70f3c21c667f6683e915324786bcc --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:18:53,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:18:53,712 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 14:18:53,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:18:53,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:18:53,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:18:53,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:18:53,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:18:53,742 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:18:53,742 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:18:53,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:18:53,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:18:53,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:18:53,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:18:53,743 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:18:53,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:18:53,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:18:53,744 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:18:53,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 14:18:53,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:18:53,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:18:53,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:18:53,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:18:53,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:18:53,744 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:18:53,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:18:53,745 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:18:53,745 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:18:53,745 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:18:53,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:18:53,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:18:53,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:18:53,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:18:53,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:18:53,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:18:53,746 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf3add05c45b0b04bd0d1457ef1e7330de70f3c21c667f6683e915324786bcc [2025-01-09 14:18:53,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:18:53,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:18:53,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:18:53,977 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:18:53,977 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:18:53,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i [2025-01-09 14:18:55,103 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d76cafb2/46657cfee27a42f291b94ef1adaf1bb1/FLAG195ad0482 [2025-01-09 14:18:55,314 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:18:55,315 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i [2025-01-09 14:18:55,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d76cafb2/46657cfee27a42f291b94ef1adaf1bb1/FLAG195ad0482 [2025-01-09 14:18:55,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d76cafb2/46657cfee27a42f291b94ef1adaf1bb1 [2025-01-09 14:18:55,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:18:55,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:18:55,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:18:55,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:18:55,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:18:55,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec176d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55, skipping insertion in model container [2025-01-09 14:18:55,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:18:55,478 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i[915,928] [2025-01-09 14:18:55,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:18:55,523 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:18:55,532 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i[915,928] [2025-01-09 14:18:55,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:18:55,564 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:18:55,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55 WrapperNode [2025-01-09 14:18:55,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:18:55,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:18:55,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:18:55,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:18:55,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,598 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2025-01-09 14:18:55,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:18:55,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:18:55,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:18:55,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:18:55,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,607 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,616 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]. [2025-01-09 14:18:55,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,620 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:18:55,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:18:55,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:18:55,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:18:55,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (1/1) ... [2025-01-09 14:18:55,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:18:55,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:18:55,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 14:18:55,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 14:18:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:18:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:18:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:18:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 14:18:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:18:55,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:18:55,736 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:18:55,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:18:55,909 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-01-09 14:18:55,910 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:18:55,916 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:18:55,916 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:18:55,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:18:55 BoogieIcfgContainer [2025-01-09 14:18:55,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:18:55,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:18:55,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:18:55,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:18:55,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:18:55" (1/3) ... [2025-01-09 14:18:55,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a213fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:18:55, skipping insertion in model container [2025-01-09 14:18:55,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:18:55" (2/3) ... [2025-01-09 14:18:55,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a213fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:18:55, skipping insertion in model container [2025-01-09 14:18:55,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:18:55" (3/3) ... [2025-01-09 14:18:55,923 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-84.i [2025-01-09 14:18:55,933 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:18:55,935 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-84.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:18:55,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:18:55,989 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;@75507e64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:18:55,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:18:55,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-09 14:18:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-09 14:18:56,000 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:18:56,001 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:18:56,001 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:18:56,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:18:56,006 INFO L85 PathProgramCache]: Analyzing trace with hash 458119405, now seen corresponding path program 1 times [2025-01-09 14:18:56,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:18:56,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352576277] [2025-01-09 14:18:56,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:18:56,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:18:56,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 14:18:56,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 14:18:56,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:18:56,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:18:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2025-01-09 14:18:56,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 14:18:56,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352576277] [2025-01-09 14:18:56,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352576277] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 14:18:56,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181466121] [2025-01-09 14:18:56,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:18:56,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:18:56,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:18:56,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 14:18:56,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 14:18:56,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 14:18:56,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 14:18:56,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:18:56,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:18:56,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 14:18:56,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:18:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2025-01-09 14:18:56,284 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:18:56,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181466121] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:18:56,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 14:18:56,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 14:18:56,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103104972] [2025-01-09 14:18:56,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:18:56,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 14:18:56,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 14:18:56,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 14:18:56,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:18:56,307 INFO L87 Difference]: Start difference. First operand has 49 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 14:18:56,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:18:56,321 INFO L93 Difference]: Finished difference Result 92 states and 144 transitions. [2025-01-09 14:18:56,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 14:18:56,322 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2025-01-09 14:18:56,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:18:56,326 INFO L225 Difference]: With dead ends: 92 [2025-01-09 14:18:56,326 INFO L226 Difference]: Without dead ends: 46 [2025-01-09 14:18:56,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:18:56,329 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 14:18:56,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:18:56,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-01-09 14:18:56,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-01-09 14:18:56,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-09 14:18:56,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2025-01-09 14:18:56,360 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 74 [2025-01-09 14:18:56,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:18:56,360 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2025-01-09 14:18:56,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 14:18:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2025-01-09 14:18:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-09 14:18:56,362 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:18:56,362 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:18:56,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 14:18:56,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 14:18:56,563 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:18:56,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:18:56,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1645742699, now seen corresponding path program 1 times [2025-01-09 14:18:56,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:18:56,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122149533] [2025-01-09 14:18:56,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:18:56,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:18:56,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 14:18:56,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 14:18:56,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:18:56,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:18:56,614 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 14:18:56,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 14:18:56,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 14:18:56,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:18:56,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:18:56,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 14:18:56,667 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 14:18:56,668 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 14:18:56,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 14:18:56,672 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 14:18:56,707 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 14:18:56,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:18:56 BoogieIcfgContainer [2025-01-09 14:18:56,711 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 14:18:56,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 14:18:56,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 14:18:56,711 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 14:18:56,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:18:55" (3/4) ... [2025-01-09 14:18:56,713 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 14:18:56,714 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 14:18:56,714 INFO L158 Benchmark]: Toolchain (without parser) took 1368.94ms. Allocated memory is still 201.3MB. Free memory was 158.3MB in the beginning and 85.5MB in the end (delta: 72.8MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-01-09 14:18:56,714 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:18:56,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.66ms. Allocated memory is still 201.3MB. Free memory was 157.9MB in the beginning and 146.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:18:56,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.12ms. Allocated memory is still 201.3MB. Free memory was 146.2MB in the beginning and 144.2MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:18:56,715 INFO L158 Benchmark]: Boogie Preprocessor took 28.29ms. Allocated memory is still 201.3MB. Free memory was 144.2MB in the beginning and 142.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:18:56,715 INFO L158 Benchmark]: RCFGBuilder took 289.35ms. Allocated memory is still 201.3MB. Free memory was 142.2MB in the beginning and 127.4MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 14:18:56,715 INFO L158 Benchmark]: TraceAbstraction took 792.79ms. Allocated memory is still 201.3MB. Free memory was 127.0MB in the beginning and 85.5MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-09 14:18:56,715 INFO L158 Benchmark]: Witness Printer took 2.67ms. Allocated memory is still 201.3MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:18:56,717 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 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.66ms. Allocated memory is still 201.3MB. Free memory was 157.9MB in the beginning and 146.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.12ms. Allocated memory is still 201.3MB. Free memory was 146.2MB in the beginning and 144.2MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.29ms. Allocated memory is still 201.3MB. Free memory was 144.2MB in the beginning and 142.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 289.35ms. Allocated memory is still 201.3MB. Free memory was 142.2MB in the beginning and 127.4MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 792.79ms. Allocated memory is still 201.3MB. Free memory was 127.0MB in the beginning and 85.5MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 2.67ms. Allocated memory is still 201.3MB. Free memory is still 85.5MB. 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 63, overapproximation of someBinaryFLOATComparisonOperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned short int var_1_2 = 128; [L24] unsigned short int var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] float var_1_7 = 49.5; [L29] float var_1_8 = 16.25; VAL [isInitial=0, var_1_1=1, var_1_2=128, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L67] isInitial = 1 [L68] FCALL initially() [L70] FCALL updateLastVariables() [L71] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_ushort() [L43] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L43] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L44] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L44] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L45] var_1_3 = __VERIFIER_nondet_ushort() [L46] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L46] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L47] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L47] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L48] var_1_4 = __VERIFIER_nondet_uchar() [L49] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L49] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=1, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L50] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L50] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L51] var_1_5 = __VERIFIER_nondet_uchar() [L52] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L52] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=1, var_1_4=0, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L53] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L53] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L54] var_1_6 = __VERIFIER_nondet_uchar() [L55] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_7=99/2, var_1_8=65/4] [L55] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_7=99/2, var_1_8=65/4] [L56] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L56] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L57] var_1_8 = __VERIFIER_nondet_float() [L58] 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=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2] [L58] 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=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2] [L71] RET updateVariables() [L72] CALL step() [L33] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=4, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2] [L34] COND FALSE !(var_1_2 == stepLocal_0) [L37] var_1_1 = (var_1_4 && (var_1_5 && var_1_6)) VAL [isInitial=1, var_1_1=0, var_1_2=2, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2] [L39] var_1_7 = var_1_8 VAL [isInitial=1, var_1_1=0, var_1_2=2, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=133, var_1_8=133] [L72] RET step() [L73] CALL, EXPR property() [L63] EXPR (var_1_2 == var_1_3) ? (var_1_1 == ((unsigned char) ((var_1_3 > (50 ^ var_1_2)) && var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 && (var_1_5 && var_1_6)))) VAL [isInitial=1, var_1_1=0, var_1_2=2, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=133, var_1_8=133] [L63-L64] return ((var_1_2 == var_1_3) ? (var_1_1 == ((unsigned char) ((var_1_3 > (50 ^ var_1_2)) && var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 && (var_1_5 && var_1_6))))) && (var_1_7 == ((float) var_1_8)) ; [L73] RET, EXPR property() [L73] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=0, var_1_2=2, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=133, var_1_8=133] [L19] reach_error() VAL [isInitial=1, var_1_1=0, var_1_2=2, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=133, var_1_8=133] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 62 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 172 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 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 [2025-01-09 14:18:56,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cf3add05c45b0b04bd0d1457ef1e7330de70f3c21c667f6683e915324786bcc --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:18:58,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:18:58,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 14:18:58,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:18:58,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:18:58,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:18:58,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:18:58,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:18:58,708 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:18:58,708 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:18:58,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:18:58,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:18:58,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:18:58,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:18:58,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:18:58,709 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:18:58,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:18:58,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:18:58,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:18:58,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:18:58,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:18:58,711 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf3add05c45b0b04bd0d1457ef1e7330de70f3c21c667f6683e915324786bcc [2025-01-09 14:18:58,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:18:58,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:18:58,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:18:58,927 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:18:58,928 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:18:58,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i [2025-01-09 14:19:00,045 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26c72b111/127e73506ef743dd808978cecb7e7609/FLAG87e5b9c9e [2025-01-09 14:19:00,254 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:19:00,254 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i [2025-01-09 14:19:00,260 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26c72b111/127e73506ef743dd808978cecb7e7609/FLAG87e5b9c9e [2025-01-09 14:19:00,630 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26c72b111/127e73506ef743dd808978cecb7e7609 [2025-01-09 14:19:00,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:19:00,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:19:00,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:19:00,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:19:00,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:19:00,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ba0661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00, skipping insertion in model container [2025-01-09 14:19:00,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:19:00,732 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i[915,928] [2025-01-09 14:19:00,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:19:00,766 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:19:00,773 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i[915,928] [2025-01-09 14:19:00,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:19:00,793 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:19:00,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00 WrapperNode [2025-01-09 14:19:00,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:19:00,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:19:00,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:19:00,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:19:00,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,819 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2025-01-09 14:19:00,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:19:00,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:19:00,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:19:00,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:19:00,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,831 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,846 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]. [2025-01-09 14:19:00,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,855 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:19:00,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:19:00,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:19:00,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:19:00,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (1/1) ... [2025-01-09 14:19:00,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:19:00,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:19:00,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 14:19:00,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 14:19:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:19:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 14:19:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:19:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:19:00,964 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:19:00,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:19:01,095 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 14:19:01,095 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:19:01,101 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:19:01,101 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:19:01,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:19:01 BoogieIcfgContainer [2025-01-09 14:19:01,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:19:01,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:19:01,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:19:01,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:19:01,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:19:00" (1/3) ... [2025-01-09 14:19:01,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16eb5ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:19:01, skipping insertion in model container [2025-01-09 14:19:01,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:19:00" (2/3) ... [2025-01-09 14:19:01,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16eb5ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:19:01, skipping insertion in model container [2025-01-09 14:19:01,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:19:01" (3/3) ... [2025-01-09 14:19:01,109 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-84.i [2025-01-09 14:19:01,121 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:19:01,122 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-84.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:19:01,165 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:19:01,175 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;@4d6c3e03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:19:01,175 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:19:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-09 14:19:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-09 14:19:01,186 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:19:01,187 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:19:01,188 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:19:01,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:19:01,194 INFO L85 PathProgramCache]: Analyzing trace with hash -2029987935, now seen corresponding path program 1 times [2025-01-09 14:19:01,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:19:01,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820975673] [2025-01-09 14:19:01,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:19:01,204 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 [2025-01-09 14:19:01,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:19:01,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 14:19:01,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-01-09 14:19:01,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-09 14:19:01,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-09 14:19:01,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:19:01,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:19:01,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 14:19:01,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:19:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2025-01-09 14:19:01,361 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:19:01,361 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:19:01,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820975673] [2025-01-09 14:19:01,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820975673] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:19:01,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:19:01,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 14:19:01,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507221042] [2025-01-09 14:19:01,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:19:01,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 14:19:01,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:19:01,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 14:19:01,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:19:01,378 INFO L87 Difference]: Start difference. First operand has 37 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 14:19:01,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:19:01,390 INFO L93 Difference]: Finished difference Result 68 states and 106 transitions. [2025-01-09 14:19:01,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 14:19:01,392 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2025-01-09 14:19:01,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:19:01,396 INFO L225 Difference]: With dead ends: 68 [2025-01-09 14:19:01,396 INFO L226 Difference]: Without dead ends: 34 [2025-01-09 14:19:01,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:19:01,401 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 14:19:01,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:19:01,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-01-09 14:19:01,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2025-01-09 14:19:01,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-09 14:19:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2025-01-09 14:19:01,432 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 72 [2025-01-09 14:19:01,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:19:01,432 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2025-01-09 14:19:01,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 14:19:01,432 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2025-01-09 14:19:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-09 14:19:01,434 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:19:01,434 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:19:01,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-01-09 14:19:01,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 14:19:01,637 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:19:01,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:19:01,638 INFO L85 PathProgramCache]: Analyzing trace with hash 920965279, now seen corresponding path program 1 times [2025-01-09 14:19:01,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:19:01,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274719090] [2025-01-09 14:19:01,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:19:01,639 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 [2025-01-09 14:19:01,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:19:01,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 14:19:01,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-01-09 14:19:01,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-09 14:19:01,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-09 14:19:01,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:19:01,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:19:01,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-09 14:19:01,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:19:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 135 proven. 12 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2025-01-09 14:19:02,558 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 14:19:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-09 14:19:03,377 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:19:03,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274719090] [2025-01-09 14:19:03,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1274719090] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-09 14:19:03,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 14:19:03,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 22 [2025-01-09 14:19:03,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665833072] [2025-01-09 14:19:03,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:19:03,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-09 14:19:03,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:19:03,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-09 14:19:03,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2025-01-09 14:19:03,379 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-09 14:19:03,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:19:03,708 INFO L93 Difference]: Finished difference Result 43 states and 55 transitions. [2025-01-09 14:19:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 14:19:03,709 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2025-01-09 14:19:03,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:19:03,709 INFO L225 Difference]: With dead ends: 43 [2025-01-09 14:19:03,710 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 14:19:03,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2025-01-09 14:19:03,710 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 50 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 14:19:03,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 129 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 14:19:03,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 14:19:03,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 14:19:03,711 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) [2025-01-09 14:19:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 14:19:03,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2025-01-09 14:19:03,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:19:03,711 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 14:19:03,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-09 14:19:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 14:19:03,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 14:19:03,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 14:19:03,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-01-09 14:19:03,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 14:19:03,919 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 14:19:03,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 14:19:04,105 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 14:19:04,113 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2025-01-09 14:19:04,113 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 14:19:04,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2025-01-09 14:19:04,115 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2025-01-09 14:19:04,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:19:04 BoogieIcfgContainer [2025-01-09 14:19:04,117 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 14:19:04,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 14:19:04,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 14:19:04,117 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 14:19:04,118 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:19:01" (3/4) ... [2025-01-09 14:19:04,120 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 14:19:04,124 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-09 14:19:04,127 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-01-09 14:19:04,127 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 14:19:04,128 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 14:19:04,128 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 14:19:04,182 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 14:19:04,183 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 14:19:04,183 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 14:19:04,184 INFO L158 Benchmark]: Toolchain (without parser) took 3551.25ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 93.1MB in the beginning and 52.1MB in the end (delta: 41.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2025-01-09 14:19:04,184 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 83.9MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:19:04,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.07ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 80.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:19:04,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.44ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:19:04,185 INFO L158 Benchmark]: Boogie Preprocessor took 44.58ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:19:04,185 INFO L158 Benchmark]: RCFGBuilder took 236.62ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 65.2MB in the end (delta: 12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:19:04,186 INFO L158 Benchmark]: TraceAbstraction took 3013.28ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 64.7MB in the beginning and 58.4MB in the end (delta: 6.3MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2025-01-09 14:19:04,186 INFO L158 Benchmark]: Witness Printer took 65.67ms. Allocated memory is still 142.6MB. Free memory was 58.4MB in the beginning and 52.1MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:19:04,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77ms. Allocated memory is still 83.9MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.07ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 80.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.44ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.58ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 236.62ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 65.2MB in the end (delta: 12.3MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 3013.28ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 64.7MB in the beginning and 58.4MB in the end (delta: 6.3MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Witness Printer took 65.67ms. Allocated memory is still 142.6MB. Free memory was 58.4MB in the beginning and 52.1MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 * 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 174 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 81 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 213 ConstructedInterpolants, 1 QuantifiedInterpolants, 924 SizeOfPredicates, 14 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 648/660 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! [2025-01-09 14:19:04,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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