./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.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_codestructure_dependencies_file-77.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 a952acfa53c9d8ed5476f250c2c62bf18b7a8ab48ccae1dd7ea79e5c6eb36395 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:32:29,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:32:29,128 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 08:32:29,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:32:29,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:32:29,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:32:29,157 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:32:29,157 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:32:29,157 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:32:29,158 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:32:29,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:32:29,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:32:29,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:32:29,159 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:32:29,160 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:32:29,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:32:29,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:32:29,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:32:29,160 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 -> a952acfa53c9d8ed5476f250c2c62bf18b7a8ab48ccae1dd7ea79e5c6eb36395 [2025-01-09 08:32:29,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:32:29,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:32:29,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:32:29,393 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:32:29,394 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:32:29,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i [2025-01-09 08:32:30,448 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8f1425bf5/0bac1528daa0435f83e8ee01d8224ecd/FLAG4ce70cb7e [2025-01-09 08:32:30,733 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:32:30,736 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i [2025-01-09 08:32:30,743 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8f1425bf5/0bac1528daa0435f83e8ee01d8224ecd/FLAG4ce70cb7e [2025-01-09 08:32:31,035 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8f1425bf5/0bac1528daa0435f83e8ee01d8224ecd [2025-01-09 08:32:31,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:32:31,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:32:31,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:32:31,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:32:31,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:32:31,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4672a560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31, skipping insertion in model container [2025-01-09 08:32:31,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:32:31,158 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_codestructure_dependencies_file-77.i[919,932] [2025-01-09 08:32:31,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:32:31,221 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:32:31,230 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_codestructure_dependencies_file-77.i[919,932] [2025-01-09 08:32:31,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:32:31,271 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:32:31,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31 WrapperNode [2025-01-09 08:32:31,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:32:31,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:32:31,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:32:31,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:32:31,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,321 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2025-01-09 08:32:31,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:32:31,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:32:31,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:32:31,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:32:31,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,335 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,347 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 08:32:31,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,352 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:32:31,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:32:31,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:32:31,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:32:31,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (1/1) ... [2025-01-09 08:32:31,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:32:31,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:32:31,398 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 08:32:31,400 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 08:32:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:32:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:32:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:32:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 08:32:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:32:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:32:31,469 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:32:31,471 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:32:31,668 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 08:32:31,669 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:32:31,678 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:32:31,678 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:32:31,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:32:31 BoogieIcfgContainer [2025-01-09 08:32:31,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:32:31,680 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:32:31,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:32:31,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:32:31,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:32:31" (1/3) ... [2025-01-09 08:32:31,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c8edc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:32:31, skipping insertion in model container [2025-01-09 08:32:31,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:31" (2/3) ... [2025-01-09 08:32:31,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c8edc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:32:31, skipping insertion in model container [2025-01-09 08:32:31,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:32:31" (3/3) ... [2025-01-09 08:32:31,686 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-77.i [2025-01-09 08:32:31,696 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:32:31,698 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-77.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:32:31,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:32:31,747 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;@3c034ced, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:32:31,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:32:31,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-09 08:32:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-09 08:32:31,755 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:32:31,756 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:31,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:32:31,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:32:31,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1992970068, now seen corresponding path program 1 times [2025-01-09 08:32:31,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:32:31,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676758342] [2025-01-09 08:32:31,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:32:31,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:32:31,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 08:32:31,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 08:32:31,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:32:31,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:32:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-01-09 08:32:31,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:32:32,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676758342] [2025-01-09 08:32:32,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676758342] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:32:32,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395229316] [2025-01-09 08:32:32,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:32:32,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:32:32,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:32:32,003 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 08:32:32,004 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 08:32:32,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 08:32:32,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 08:32:32,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:32:32,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:32:32,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:32:32,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:32:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-01-09 08:32:32,158 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:32:32,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395229316] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:32:32,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 08:32:32,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 08:32:32,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358703907] [2025-01-09 08:32:32,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:32:32,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:32:32,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:32:32,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:32:32,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:32:32,176 INFO L87 Difference]: Start difference. First operand has 59 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 08:32:32,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:32:32,196 INFO L93 Difference]: Finished difference Result 111 states and 190 transitions. [2025-01-09 08:32:32,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:32:32,198 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 122 [2025-01-09 08:32:32,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:32:32,202 INFO L225 Difference]: With dead ends: 111 [2025-01-09 08:32:32,203 INFO L226 Difference]: Without dead ends: 55 [2025-01-09 08:32:32,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 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 08:32:32,209 INFO L435 NwaCegarLoop]: 81 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, 81 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 08:32:32,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:32:32,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2025-01-09 08:32:32,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2025-01-09 08:32:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-09 08:32:32,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 81 transitions. [2025-01-09 08:32:32,243 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 81 transitions. Word has length 122 [2025-01-09 08:32:32,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:32:32,244 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 81 transitions. [2025-01-09 08:32:32,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 08:32:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2025-01-09 08:32:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-09 08:32:32,246 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:32:32,246 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:32,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 08:32:32,446 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 08:32:32,447 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:32:32,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:32:32,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1745174290, now seen corresponding path program 1 times [2025-01-09 08:32:32,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:32:32,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447621712] [2025-01-09 08:32:32,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:32:32,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:32:32,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 08:32:32,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 08:32:32,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:32:32,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 08:32:32,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254196006] [2025-01-09 08:32:32,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:32:32,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:32:32,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:32:32,626 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 08:32:32,628 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 08:32:32,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 08:32:32,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 08:32:32,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:32:32,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:32:32,786 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 08:32:32,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 08:32:32,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 08:32:32,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:32:32,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:32:32,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 08:32:32,881 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 08:32:32,882 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 08:32:32,891 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 08:32:33,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:32:33,086 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 08:32:33,140 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 08:32:33,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 08:32:33 BoogieIcfgContainer [2025-01-09 08:32:33,143 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 08:32:33,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 08:32:33,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 08:32:33,144 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 08:32:33,144 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:32:31" (3/4) ... [2025-01-09 08:32:33,146 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 08:32:33,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 08:32:33,147 INFO L158 Benchmark]: Toolchain (without parser) took 2105.90ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 84.4MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2025-01-09 08:32:33,147 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:32:33,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.02ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 109.2MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 08:32:33,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.22ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 105.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:32:33,148 INFO L158 Benchmark]: Boogie Preprocessor took 45.26ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 101.7MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 08:32:33,148 INFO L158 Benchmark]: RCFGBuilder took 307.48ms. Allocated memory is still 167.8MB. Free memory was 101.7MB in the beginning and 80.5MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 08:32:33,149 INFO L158 Benchmark]: TraceAbstraction took 1463.02ms. Allocated memory is still 167.8MB. Free memory was 79.6MB in the beginning and 84.4MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:32:33,149 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 167.8MB. Free memory was 84.4MB in the beginning and 84.4MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:32:33,150 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.02ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 109.2MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.22ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 105.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.26ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 101.7MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 307.48ms. Allocated memory is still 167.8MB. Free memory was 101.7MB in the beginning and 80.5MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1463.02ms. Allocated memory is still 167.8MB. Free memory was 79.6MB in the beginning and 84.4MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 167.8MB. Free memory was 84.4MB in the beginning and 84.4MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 52, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 2; [L23] float var_1_2 = 255.5; [L24] float var_1_3 = 99.8; [L25] signed char var_1_4 = -25; [L26] float var_1_6 = 255.25; [L27] unsigned short int var_1_7 = 16; [L28] signed char var_1_8 = -10; [L29] signed char var_1_9 = -8; [L30] unsigned short int var_1_10 = 8; [L31] unsigned short int var_1_11 = 10000; [L32] unsigned short int var_1_12 = 5; [L33] signed short int var_1_13 = 200; [L34] unsigned char var_1_15 = 0; [L35] unsigned short int var_1_16 = 35895; [L36] unsigned short int var_1_17 = 18336; [L37] unsigned char var_1_18 = 0; [L38] signed long int var_1_19 = -50; [L39] signed char last_1_var_1_8 = -10; [L40] unsigned char last_1_var_1_15 = 0; [L41] signed long int last_1_var_1_19 = -50; VAL [isInitial=0, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_2=511/2, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L128] isInitial = 1 [L129] FCALL initially() [L131] CALL updateLastVariables() [L119] last_1_var_1_8 = var_1_8 [L120] last_1_var_1_15 = var_1_15 [L121] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_2=511/2, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L131] RET updateLastVariables() [L132] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L88] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L89] var_1_3 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L90] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L91] var_1_4 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L92] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L93] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L93] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L94] var_1_6 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=16, var_1_8=-10, var_1_9=-8] [L95] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=16, var_1_8=-10, var_1_9=-8] [L96] var_1_7 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_8=-10, var_1_9=-8] [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_8=-10, var_1_9=-8] [L98] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=-8] [L98] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=-8] [L99] var_1_9 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L100] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L101] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L102] var_1_11 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_11 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L103] RET assume_abort_if_not(var_1_11 >= 8191) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_11 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L104] RET assume_abort_if_not(var_1_11 <= 16384) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L105] var_1_12 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L106] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L107] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L108] var_1_16 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L109] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L110] CALL assume_abort_if_not(var_1_16 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L110] RET assume_abort_if_not(var_1_16 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L111] var_1_17 = __VERIFIER_nondet_ushort() [L112] CALL assume_abort_if_not(var_1_17 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L112] RET assume_abort_if_not(var_1_17 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L113] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L113] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L114] var_1_18 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L115] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L116] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L116] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L132] RET updateVariables() [L133] CALL step() [L45] COND FALSE !((var_1_6 * var_1_2) <= var_1_3) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L52] COND FALSE !(var_1_3 != var_1_6) [L59] var_1_15 = var_1_18 VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L61] COND FALSE !(((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= last_1_var_1_8) [L68] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=-65535, var_1_4=1, var_1_7=-65535, var_1_8=-10, var_1_9=1] [L70] COND TRUE (- var_1_7) < (var_1_1 * var_1_4) [L71] var_1_8 = var_1_9 VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=-65535, var_1_4=1, var_1_7=-65535, var_1_8=1, var_1_9=1] [L73] var_1_10 = (50 + ((var_1_11 + 10000) - var_1_12)) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16384, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=-65535, var_1_4=1, var_1_7=-65535, var_1_8=1, var_1_9=1] [L74] COND FALSE !(var_1_1 < (- var_1_10)) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16384, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=-65535, var_1_4=1, var_1_7=-65535, var_1_8=1, var_1_9=1] [L79] COND TRUE var_1_1 < (((((var_1_10) < (var_1_17)) ? (var_1_10) : (var_1_17))) / var_1_11) [L80] var_1_19 = ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16384, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=1, var_1_1=-65535, var_1_4=1, var_1_7=-65535, var_1_8=1, var_1_9=1] [L133] RET step() [L134] CALL, EXPR property() [L124-L125] return ((((((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= last_1_var_1_8) ? (((- var_1_3) > ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6)))) ? (var_1_1 == ((unsigned short int) var_1_7)) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) && (((- var_1_7) < (var_1_1 * var_1_4)) ? (var_1_8 == ((signed char) var_1_9)) : 1)) && (var_1_10 == ((unsigned short int) (50 + ((var_1_11 + 10000) - var_1_12))))) && (((var_1_6 * var_1_2) <= var_1_3) ? (last_1_var_1_15 ? (var_1_13 == ((signed short int) (-10 + var_1_12))) : (var_1_13 == ((signed short int) var_1_4))) : 1)) && ((var_1_3 != var_1_6) ? ((var_1_13 >= (var_1_16 - (var_1_17 - 256))) ? (var_1_15 == ((unsigned char) var_1_18)) : (var_1_15 == ((unsigned char) var_1_18))) : (var_1_15 == ((unsigned char) var_1_18)))) && ((var_1_1 < (- var_1_10)) ? (((var_1_7 + (128 + var_1_1)) <= last_1_var_1_19) ? (var_1_19 == ((signed long int) var_1_4)) : 1) : ((var_1_1 < (((((var_1_10) < (var_1_17)) ? (var_1_10) : (var_1_17))) / var_1_11)) ? (var_1_19 == ((signed long int) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : (var_1_19 == ((signed long int) var_1_16)))) ; VAL [\result=0, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16384, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=1, var_1_1=-65535, var_1_4=1, var_1_7=-65535, var_1_8=1, var_1_9=1] [L134] RET, EXPR property() [L134] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16384, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=1, var_1_1=-65535, var_1_4=1, var_1_7=-65535, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16384, var_1_11=335872, var_1_12=132930, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=1, var_1_1=-65535, var_1_4=1, var_1_7=-65535, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 81 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 488 NumberOfCodeBlocks, 488 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 286 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1332/1368 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 08:32:33,163 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_codestructure_dependencies_file-77.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 a952acfa53c9d8ed5476f250c2c62bf18b7a8ab48ccae1dd7ea79e5c6eb36395 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:32:34,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:32:34,977 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 08:32:34,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:32:34,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:32:35,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:32:35,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:32:35,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:32:35,009 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:32:35,009 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:32:35,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:32:35,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:32:35,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:32:35,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:32:35,010 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:32:35,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:32:35,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:32:35,011 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:32:35,012 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:32:35,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:32:35,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:32:35,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:32:35,013 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:32:35,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:32:35,013 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 08:32:35,013 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 08:32:35,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:32:35,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:32:35,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:32:35,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:32:35,013 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 -> a952acfa53c9d8ed5476f250c2c62bf18b7a8ab48ccae1dd7ea79e5c6eb36395 [2025-01-09 08:32:35,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:32:35,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:32:35,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:32:35,248 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:32:35,249 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:32:35,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i [2025-01-09 08:32:36,347 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/48147fa30/4fce0681239a4a549caf7d90326da690/FLAG79dec3848 [2025-01-09 08:32:36,523 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:32:36,524 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i [2025-01-09 08:32:36,531 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/48147fa30/4fce0681239a4a549caf7d90326da690/FLAG79dec3848 [2025-01-09 08:32:36,917 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/48147fa30/4fce0681239a4a549caf7d90326da690 [2025-01-09 08:32:36,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:32:36,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:32:36,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:32:36,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:32:36,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:32:36,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:32:36" (1/1) ... [2025-01-09 08:32:36,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ba5ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:36, skipping insertion in model container [2025-01-09 08:32:36,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:32:36" (1/1) ... [2025-01-09 08:32:36,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:32:37,030 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_codestructure_dependencies_file-77.i[919,932] [2025-01-09 08:32:37,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:32:37,108 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:32:37,117 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_codestructure_dependencies_file-77.i[919,932] [2025-01-09 08:32:37,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:32:37,153 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:32:37,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37 WrapperNode [2025-01-09 08:32:37,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:32:37,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:32:37,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:32:37,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:32:37,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,188 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2025-01-09 08:32:37,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:32:37,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:32:37,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:32:37,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:32:37,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,197 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,206 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 08:32:37,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,215 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:32:37,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:32:37,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:32:37,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:32:37,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (1/1) ... [2025-01-09 08:32:37,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:32:37,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:32:37,255 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 08:32:37,257 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 08:32:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:32:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 08:32:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:32:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:32:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:32:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:32:37,347 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:32:37,349 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:32:38,066 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 08:32:38,066 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:32:38,077 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:32:38,077 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:32:38,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:32:38 BoogieIcfgContainer [2025-01-09 08:32:38,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:32:38,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:32:38,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:32:38,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:32:38,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:32:36" (1/3) ... [2025-01-09 08:32:38,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5c8ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:32:38, skipping insertion in model container [2025-01-09 08:32:38,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:32:37" (2/3) ... [2025-01-09 08:32:38,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5c8ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:32:38, skipping insertion in model container [2025-01-09 08:32:38,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:32:38" (3/3) ... [2025-01-09 08:32:38,085 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-77.i [2025-01-09 08:32:38,096 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:32:38,097 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-77.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:32:38,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:32:38,148 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;@4558aa33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:32:38,148 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:32:38,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-09 08:32:38,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-09 08:32:38,158 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:32:38,158 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:38,159 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:32:38,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:32:38,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1992970068, now seen corresponding path program 1 times [2025-01-09 08:32:38,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:32:38,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312083361] [2025-01-09 08:32:38,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:32:38,170 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 08:32:38,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:32:38,172 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 08:32:38,173 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 08:32:38,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 08:32:38,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 08:32:38,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:32:38,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:32:38,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:32:38,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:32:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-01-09 08:32:38,430 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:32:38,431 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 08:32:38,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312083361] [2025-01-09 08:32:38,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1312083361] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:32:38,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:32:38,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 08:32:38,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039344495] [2025-01-09 08:32:38,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:32:38,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:32:38,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 08:32:38,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:32:38,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:32:38,451 INFO L87 Difference]: Start difference. First operand has 59 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 08:32:38,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:32:38,466 INFO L93 Difference]: Finished difference Result 111 states and 190 transitions. [2025-01-09 08:32:38,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:32:38,467 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 122 [2025-01-09 08:32:38,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:32:38,471 INFO L225 Difference]: With dead ends: 111 [2025-01-09 08:32:38,471 INFO L226 Difference]: Without dead ends: 55 [2025-01-09 08:32:38,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 121 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 08:32:38,475 INFO L435 NwaCegarLoop]: 81 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, 81 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 08:32:38,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:32:38,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2025-01-09 08:32:38,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2025-01-09 08:32:38,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-09 08:32:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 81 transitions. [2025-01-09 08:32:38,508 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 81 transitions. Word has length 122 [2025-01-09 08:32:38,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:32:38,509 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 81 transitions. [2025-01-09 08:32:38,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 08:32:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2025-01-09 08:32:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-09 08:32:38,511 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:32:38,512 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:38,521 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 08:32:38,712 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 08:32:38,713 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:32:38,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:32:38,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1745174290, now seen corresponding path program 1 times [2025-01-09 08:32:38,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:32:38,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171317965] [2025-01-09 08:32:38,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:32:38,714 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 08:32:38,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:32:38,718 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 08:32:38,719 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 08:32:38,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 08:32:38,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 08:32:38,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:32:38,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:32:38,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-09 08:32:38,906 INFO L279 TraceCheckSpWp]: Computing forward predicates...