./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-89.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_fillercode_fillercodesize_normal_file-89.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 9bb9eb02e96f63fa74ef21c908962a8208a53dfeba6d5e09e51451f26b3cb831 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 09:13:00,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 09:13:00,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 09:13:00,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 09:13:00,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 09:13:00,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 09:13:00,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 09:13:00,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 09:13:00,365 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 09:13:00,365 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 09:13:00,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 09:13:00,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 09:13:00,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 09:13:00,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 09:13:00,365 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 09:13:00,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 09:13:00,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 09:13:00,365 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 09:13:00,366 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 09:13:00,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:13:00,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 09:13:00,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 09:13:00,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 09:13:00,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 09:13:00,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:13:00,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 09:13:00,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 09:13:00,367 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 09:13:00,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 09:13:00,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 09:13:00,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 09:13:00,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 09:13:00,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 09:13:00,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 09:13:00,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 09:13:00,370 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 -> 9bb9eb02e96f63fa74ef21c908962a8208a53dfeba6d5e09e51451f26b3cb831 [2025-01-09 09:13:00,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 09:13:00,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 09:13:00,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 09:13:00,684 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 09:13:00,685 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 09:13:00,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-89.i [2025-01-09 09:13:02,024 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2849bac13/a438d997709847b3b5313d5b38102afd/FLAGd8c39ea60 [2025-01-09 09:13:02,302 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 09:13:02,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-89.i [2025-01-09 09:13:02,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2849bac13/a438d997709847b3b5313d5b38102afd/FLAGd8c39ea60 [2025-01-09 09:13:02,323 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2849bac13/a438d997709847b3b5313d5b38102afd [2025-01-09 09:13:02,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 09:13:02,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 09:13:02,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 09:13:02,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 09:13:02,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 09:13:02,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311e5e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02, skipping insertion in model container [2025-01-09 09:13:02,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 09:13:02,501 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_fillercode_fillercodesize_normal_file-89.i[913,926] [2025-01-09 09:13:02,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 09:13:02,587 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 09:13:02,597 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_fillercode_fillercodesize_normal_file-89.i[913,926] [2025-01-09 09:13:02,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 09:13:02,646 INFO L204 MainTranslator]: Completed translation [2025-01-09 09:13:02,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02 WrapperNode [2025-01-09 09:13:02,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 09:13:02,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 09:13:02,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 09:13:02,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 09:13:02,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,689 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2025-01-09 09:13:02,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 09:13:02,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 09:13:02,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 09:13:02,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 09:13:02,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,701 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,720 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 09:13:02,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,731 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 09:13:02,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 09:13:02,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 09:13:02,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 09:13:02,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (1/1) ... [2025-01-09 09:13:02,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:13:02,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 09:13:02,780 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 09:13:02,784 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 09:13:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 09:13:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 09:13:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 09:13:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 09:13:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 09:13:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 09:13:02,871 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 09:13:02,873 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 09:13:03,144 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-01-09 09:13:03,145 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 09:13:03,154 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 09:13:03,155 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 09:13:03,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:13:03 BoogieIcfgContainer [2025-01-09 09:13:03,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 09:13:03,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 09:13:03,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 09:13:03,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 09:13:03,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:13:02" (1/3) ... [2025-01-09 09:13:03,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ccc7193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:13:03, skipping insertion in model container [2025-01-09 09:13:03,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:02" (2/3) ... [2025-01-09 09:13:03,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ccc7193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:13:03, skipping insertion in model container [2025-01-09 09:13:03,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:13:03" (3/3) ... [2025-01-09 09:13:03,163 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-89.i [2025-01-09 09:13:03,174 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 09:13:03,176 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-89.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 09:13:03,242 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 09:13:03,255 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;@873999a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 09:13:03,255 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 09:13:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 37 states have internal predecessors, (53), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 09:13:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-09 09:13:03,270 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 09:13:03,270 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:13:03,271 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 09:13:03,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 09:13:03,277 INFO L85 PathProgramCache]: Analyzing trace with hash -665028112, now seen corresponding path program 1 times [2025-01-09 09:13:03,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 09:13:03,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219658235] [2025-01-09 09:13:03,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:13:03,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 09:13:03,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 09:13:03,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 09:13:03,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:13:03,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 09:13:03,504 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2025-01-09 09:13:03,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 09:13:03,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219658235] [2025-01-09 09:13:03,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219658235] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 09:13:03,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739242325] [2025-01-09 09:13:03,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:13:03,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 09:13:03,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 09:13:03,511 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 09:13:03,512 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 09:13:03,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 09:13:03,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 09:13:03,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:13:03,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 09:13:03,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 09:13:03,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 09:13:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2025-01-09 09:13:03,670 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 09:13:03,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739242325] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 09:13:03,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 09:13:03,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 09:13:03,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022922949] [2025-01-09 09:13:03,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 09:13:03,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 09:13:03,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 09:13:03,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 09:13:03,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 09:13:03,698 INFO L87 Difference]: Start difference. First operand has 51 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 37 states have internal predecessors, (53), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 09:13:03,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 09:13:03,722 INFO L93 Difference]: Finished difference Result 96 states and 161 transitions. [2025-01-09 09:13:03,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 09:13:03,724 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2025-01-09 09:13:03,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 09:13:03,731 INFO L225 Difference]: With dead ends: 96 [2025-01-09 09:13:03,731 INFO L226 Difference]: Without dead ends: 48 [2025-01-09 09:13:03,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 84 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 09:13:03,763 INFO L435 NwaCegarLoop]: 72 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, 72 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 09:13:03,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 09:13:03,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2025-01-09 09:13:03,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2025-01-09 09:13:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 09:13:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 72 transitions. [2025-01-09 09:13:03,808 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 72 transitions. Word has length 83 [2025-01-09 09:13:03,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 09:13:03,809 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 72 transitions. [2025-01-09 09:13:03,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 09:13:03,810 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2025-01-09 09:13:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-09 09:13:03,812 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 09:13:03,812 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:13:03,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 09:13:04,017 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 09:13:04,017 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 09:13:04,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 09:13:04,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1557956880, now seen corresponding path program 1 times [2025-01-09 09:13:04,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 09:13:04,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27554892] [2025-01-09 09:13:04,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:13:04,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 09:13:04,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 09:13:04,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 09:13:04,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:13:04,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 09:13:04,219 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-09 09:13:04,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 09:13:04,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27554892] [2025-01-09 09:13:04,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27554892] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 09:13:04,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 09:13:04,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 09:13:04,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953452560] [2025-01-09 09:13:04,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 09:13:04,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 09:13:04,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 09:13:04,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 09:13:04,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 09:13:04,226 INFO L87 Difference]: Start difference. First operand 48 states and 72 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-01-09 09:13:04,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 09:13:04,299 INFO L93 Difference]: Finished difference Result 136 states and 206 transitions. [2025-01-09 09:13:04,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 09:13:04,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 83 [2025-01-09 09:13:04,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 09:13:04,301 INFO L225 Difference]: With dead ends: 136 [2025-01-09 09:13:04,301 INFO L226 Difference]: Without dead ends: 91 [2025-01-09 09:13:04,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 09:13:04,303 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 62 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 09:13:04,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 126 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 09:13:04,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2025-01-09 09:13:04,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2025-01-09 09:13:04,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-01-09 09:13:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 129 transitions. [2025-01-09 09:13:04,329 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 129 transitions. Word has length 83 [2025-01-09 09:13:04,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 09:13:04,330 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 129 transitions. [2025-01-09 09:13:04,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-01-09 09:13:04,330 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2025-01-09 09:13:04,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-09 09:13:04,334 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 09:13:04,334 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:13:04,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 09:13:04,335 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 09:13:04,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 09:13:04,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1556109838, now seen corresponding path program 1 times [2025-01-09 09:13:04,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 09:13:04,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109989732] [2025-01-09 09:13:04,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:13:04,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 09:13:04,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 09:13:04,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 09:13:04,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:13:04,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 09:13:04,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30983329] [2025-01-09 09:13:04,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:13:04,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 09:13:04,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 09:13:04,453 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 09:13:04,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 09:13:04,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 09:13:04,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 09:13:04,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:13:04,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 09:13:04,558 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 09:13:04,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 09:13:04,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 09:13:04,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:13:04,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 09:13:04,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 09:13:04,644 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 09:13:04,645 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 09:13:04,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 09:13:04,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 09:13:04,853 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 09:13:04,921 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 09:13:04,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:13:04 BoogieIcfgContainer [2025-01-09 09:13:04,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 09:13:04,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 09:13:04,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 09:13:04,925 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 09:13:04,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:13:03" (3/4) ... [2025-01-09 09:13:04,928 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 09:13:04,929 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 09:13:04,930 INFO L158 Benchmark]: Toolchain (without parser) took 2603.26ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 55.7MB in the end (delta: 52.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2025-01-09 09:13:04,930 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 201.3MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 09:13:04,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.31ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 93.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 09:13:04,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.31ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 90.7MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 09:13:04,931 INFO L158 Benchmark]: Boogie Preprocessor took 57.28ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 85.9MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 09:13:04,932 INFO L158 Benchmark]: RCFGBuilder took 406.99ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 67.4MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 09:13:04,932 INFO L158 Benchmark]: TraceAbstraction took 1767.14ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 55.8MB in the end (delta: 11.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2025-01-09 09:13:04,932 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 55.7MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 09:13:04,934 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 201.3MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.31ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 93.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.31ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 90.7MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.28ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 85.9MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.99ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 67.4MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1767.14ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 55.8MB in the end (delta: 11.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 55.7MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 120. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] unsigned char var_1_4 = 0; [L24] unsigned short int var_1_8 = 32; [L25] signed long int var_1_9 = -16; [L26] unsigned short int var_1_10 = 5; [L27] unsigned char var_1_12 = 32; [L28] unsigned char var_1_13 = 1; [L29] unsigned char var_1_14 = 0; [L30] unsigned char var_1_15 = 0; [L31] double var_1_16 = 63.75; [L32] double var_1_17 = 8.5; [L33] signed short int var_1_18 = -64; [L34] signed long int last_1_var_1_1 = 32; [L35] unsigned char last_1_var_1_12 = 32; [L36] signed short int last_1_var_1_18 = -64; VAL [isInitial=0, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16] [L124] isInitial = 1 [L125] FCALL initially() [L127] CALL updateLastVariables() [L115] last_1_var_1_1 = var_1_1 [L116] last_1_var_1_12 = var_1_12 [L117] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16] [L127] RET updateLastVariables() [L128] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_8=32, var_1_9=-16] [L96] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_8=32, var_1_9=-16] [L97] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16] [L97] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=-16] [L98] var_1_9 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L99] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L100] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L100] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L101] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L101] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L102] var_1_10 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L103] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L104] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L104] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L105] var_1_13 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L106] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L107] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L107] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L108] var_1_15 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L109] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L110] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L110] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L111] var_1_17 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L112] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L128] RET updateVariables() [L129] CALL step() [L40] signed long int stepLocal_1 = last_1_var_1_18; [L41] signed long int stepLocal_0 = last_1_var_1_18; VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L42] COND FALSE !(stepLocal_1 >= (last_1_var_1_18 / var_1_9)) [L49] var_1_8 = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L51] var_1_18 = var_1_8 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L52] COND FALSE !(var_1_10 < var_1_18) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L63] unsigned short int stepLocal_2 = var_1_8; VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_2=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L64] COND FALSE !(stepLocal_2 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L75] COND FALSE !(var_1_18 != var_1_12) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L80] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L87] COND FALSE !(\read(var_1_14)) [L90] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L129] RET step() [L130] CALL, EXPR property() [L120-L121] return ((((((var_1_18 != var_1_12) ? (var_1_14 ? (var_1_1 == ((signed long int) ((((((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) < (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) ? (((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) : (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18)))))))) : 1) : 1) && ((last_1_var_1_18 >= (last_1_var_1_18 / var_1_9)) ? ((last_1_var_1_18 < (last_1_var_1_1 * 256)) ? (var_1_8 == ((unsigned short int) ((((last_1_var_1_12) < (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12))))) ? (last_1_var_1_12) : (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12)))))))) : (var_1_8 == ((unsigned short int) last_1_var_1_12))) : (var_1_8 == ((unsigned short int) last_1_var_1_12)))) && ((var_1_10 < var_1_18) ? ((last_1_var_1_12 <= (5 - last_1_var_1_12)) ? (var_1_12 == ((unsigned char) var_1_13)) : ((last_1_var_1_12 == var_1_8) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) var_1_13)))) : 1)) && ((var_1_8 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) ? ((! (var_1_8 >= var_1_12)) ? (var_1_4 ? (var_1_14 == ((unsigned char) 0)) : (var_1_14 == ((unsigned char) var_1_15))) : (var_1_14 == ((unsigned char) var_1_15))) : 1)) && (var_1_14 ? (var_1_15 ? (var_1_16 == ((double) var_1_17)) : (var_1_16 == ((double) (((((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) > (var_1_17)) ? ((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) : (var_1_17)))))) : (var_1_14 ? (var_1_16 == ((double) 5.2)) : (var_1_16 == ((double) var_1_17))))) && (var_1_18 == ((signed short int) var_1_8)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_4=0, var_1_8=32, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 139 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 415 NumberOfCodeBlocks, 415 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 770/792 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 09:13:04,955 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_fillercode_fillercodesize_normal_file-89.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 9bb9eb02e96f63fa74ef21c908962a8208a53dfeba6d5e09e51451f26b3cb831 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 09:13:07,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 09:13:07,373 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 09:13:07,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 09:13:07,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 09:13:07,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 09:13:07,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 09:13:07,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 09:13:07,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 09:13:07,416 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 09:13:07,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 09:13:07,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 09:13:07,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 09:13:07,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 09:13:07,417 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 09:13:07,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 09:13:07,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 09:13:07,418 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 09:13:07,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 09:13:07,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 09:13:07,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 09:13:07,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 09:13:07,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 09:13:07,419 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 09:13:07,419 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 09:13:07,419 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 09:13:07,419 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 09:13:07,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 09:13:07,419 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 09:13:07,419 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 09:13:07,420 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 09:13:07,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 09:13:07,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 09:13:07,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 09:13:07,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:13:07,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 09:13:07,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 09:13:07,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 09:13:07,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 09:13:07,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:13:07,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 09:13:07,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 09:13:07,421 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 09:13:07,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 09:13:07,421 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 09:13:07,421 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 09:13:07,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 09:13:07,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 09:13:07,422 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 09:13:07,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 09:13:07,422 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 -> 9bb9eb02e96f63fa74ef21c908962a8208a53dfeba6d5e09e51451f26b3cb831 [2025-01-09 09:13:07,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 09:13:07,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 09:13:07,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 09:13:07,744 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 09:13:07,745 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 09:13:07,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-89.i [2025-01-09 09:13:09,059 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fd494a95/33b8394d897c467c9cfe70107c960ce6/FLAGf2eecf3f6 [2025-01-09 09:13:09,274 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 09:13:09,275 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-89.i [2025-01-09 09:13:09,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fd494a95/33b8394d897c467c9cfe70107c960ce6/FLAGf2eecf3f6 [2025-01-09 09:13:09,301 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fd494a95/33b8394d897c467c9cfe70107c960ce6 [2025-01-09 09:13:09,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 09:13:09,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 09:13:09,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 09:13:09,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 09:13:09,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 09:13:09,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d3d219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09, skipping insertion in model container [2025-01-09 09:13:09,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 09:13:09,460 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_fillercode_fillercodesize_normal_file-89.i[913,926] [2025-01-09 09:13:09,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 09:13:09,555 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 09:13:09,567 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_fillercode_fillercodesize_normal_file-89.i[913,926] [2025-01-09 09:13:09,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 09:13:09,631 INFO L204 MainTranslator]: Completed translation [2025-01-09 09:13:09,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09 WrapperNode [2025-01-09 09:13:09,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 09:13:09,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 09:13:09,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 09:13:09,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 09:13:09,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,682 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2025-01-09 09:13:09,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 09:13:09,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 09:13:09,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 09:13:09,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 09:13:09,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,702 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,715 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 09:13:09,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,723 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 09:13:09,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 09:13:09,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 09:13:09,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 09:13:09,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (1/1) ... [2025-01-09 09:13:09,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:13:09,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 09:13:09,776 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 09:13:09,780 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 09:13:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 09:13:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 09:13:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 09:13:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 09:13:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 09:13:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 09:13:09,889 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 09:13:09,891 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 09:13:10,335 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-01-09 09:13:10,335 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 09:13:10,345 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 09:13:10,345 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 09:13:10,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:13:10 BoogieIcfgContainer [2025-01-09 09:13:10,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 09:13:10,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 09:13:10,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 09:13:10,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 09:13:10,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:13:09" (1/3) ... [2025-01-09 09:13:10,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65400425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:13:10, skipping insertion in model container [2025-01-09 09:13:10,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:13:09" (2/3) ... [2025-01-09 09:13:10,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65400425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:13:10, skipping insertion in model container [2025-01-09 09:13:10,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:13:10" (3/3) ... [2025-01-09 09:13:10,360 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-89.i [2025-01-09 09:13:10,377 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 09:13:10,378 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-89.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 09:13:10,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 09:13:10,462 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;@4dd7c0a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 09:13:10,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 09:13:10,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 37 states have internal predecessors, (53), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 09:13:10,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-09 09:13:10,473 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 09:13:10,474 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:13:10,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 09:13:10,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 09:13:10,478 INFO L85 PathProgramCache]: Analyzing trace with hash -665028112, now seen corresponding path program 1 times [2025-01-09 09:13:10,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 09:13:10,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56200009] [2025-01-09 09:13:10,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:13:10,486 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 09:13:10,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 09:13:10,489 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 09:13:10,490 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 09:13:10,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 09:13:10,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 09:13:10,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:13:10,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 09:13:10,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 09:13:10,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 09:13:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-01-09 09:13:10,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 09:13:10,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 09:13:10,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56200009] [2025-01-09 09:13:10,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56200009] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 09:13:10,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 09:13:10,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 09:13:10,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698350311] [2025-01-09 09:13:10,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 09:13:10,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 09:13:10,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 09:13:10,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 09:13:10,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 09:13:10,766 INFO L87 Difference]: Start difference. First operand has 51 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 37 states have internal predecessors, (53), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 09:13:10,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 09:13:10,784 INFO L93 Difference]: Finished difference Result 96 states and 161 transitions. [2025-01-09 09:13:10,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 09:13:10,786 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2025-01-09 09:13:10,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 09:13:10,792 INFO L225 Difference]: With dead ends: 96 [2025-01-09 09:13:10,792 INFO L226 Difference]: Without dead ends: 48 [2025-01-09 09:13:10,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 82 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 09:13:10,798 INFO L435 NwaCegarLoop]: 72 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, 72 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 09:13:10,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 09:13:10,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2025-01-09 09:13:10,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2025-01-09 09:13:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 09:13:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 72 transitions. [2025-01-09 09:13:10,835 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 72 transitions. Word has length 83 [2025-01-09 09:13:10,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 09:13:10,835 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 72 transitions. [2025-01-09 09:13:10,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 09:13:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2025-01-09 09:13:10,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-09 09:13:10,838 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 09:13:10,838 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:13:10,851 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 09:13:11,039 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 09:13:11,039 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 09:13:11,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 09:13:11,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1557956880, now seen corresponding path program 1 times [2025-01-09 09:13:11,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 09:13:11,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422624716] [2025-01-09 09:13:11,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:13:11,041 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 09:13:11,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 09:13:11,045 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 09:13:11,047 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 09:13:11,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 09:13:11,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 09:13:11,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:13:11,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 09:13:11,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 09:13:11,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 09:13:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-09 09:13:11,277 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 09:13:11,277 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 09:13:11,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422624716] [2025-01-09 09:13:11,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422624716] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 09:13:11,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 09:13:11,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 09:13:11,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98898982] [2025-01-09 09:13:11,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 09:13:11,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 09:13:11,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 09:13:11,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 09:13:11,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 09:13:11,280 INFO L87 Difference]: Start difference. First operand 48 states and 72 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-01-09 09:13:11,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 09:13:11,479 INFO L93 Difference]: Finished difference Result 136 states and 206 transitions. [2025-01-09 09:13:11,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 09:13:11,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 83 [2025-01-09 09:13:11,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 09:13:11,481 INFO L225 Difference]: With dead ends: 136 [2025-01-09 09:13:11,481 INFO L226 Difference]: Without dead ends: 91 [2025-01-09 09:13:11,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 09:13:11,484 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 62 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 09:13:11,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 126 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 09:13:11,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2025-01-09 09:13:11,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2025-01-09 09:13:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-01-09 09:13:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 129 transitions. [2025-01-09 09:13:11,512 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 129 transitions. Word has length 83 [2025-01-09 09:13:11,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 09:13:11,513 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 129 transitions. [2025-01-09 09:13:11,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-01-09 09:13:11,513 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2025-01-09 09:13:11,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-09 09:13:11,517 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 09:13:11,517 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:13:11,525 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 09:13:11,718 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 09:13:11,718 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 09:13:11,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 09:13:11,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1556109838, now seen corresponding path program 1 times [2025-01-09 09:13:11,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 09:13:11,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050973509] [2025-01-09 09:13:11,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:13:11,721 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 09:13:11,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 09:13:11,724 INFO L229 MonitoredProcess]: Starting monitored process 4 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 09:13:11,725 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 (4)] Waiting until timeout for monitored process [2025-01-09 09:13:11,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 09:13:11,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 09:13:11,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:13:11,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 09:13:11,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-09 09:13:11,986 INFO L279 TraceCheckSpWp]: Computing forward predicates...