./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.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_variablewrapping_normal_file-54.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 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 15:11:31,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 15:11:31,385 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 15:11:31,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 15:11:31,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 15:11:31,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 15:11:31,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 15:11:31,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 15:11:31,425 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 15:11:31,425 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 15:11:31,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 15:11:31,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 15:11:31,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 15:11:31,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 15:11:31,427 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 15:11:31,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 15:11:31,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 15:11:31,428 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 15:11:31,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 15:11:31,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 15:11:31,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 15:11:31,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 15:11:31,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 15:11:31,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 15:11:31,428 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 15:11:31,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 15:11:31,428 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 15:11:31,429 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 15:11:31,429 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 15:11:31,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:11:31,429 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:11:31,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:11:31,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:11:31,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 15:11:31,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:11:31,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:11:31,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:11:31,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:11:31,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 15:11:31,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 15:11:31,431 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 15:11:31,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 15:11:31,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 15:11:31,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 15:11:31,431 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 15:11:31,431 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 15:11:31,431 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 15:11:31,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 15:11:31,431 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 -> 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 [2025-01-09 15:11:31,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 15:11:31,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 15:11:31,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 15:11:31,742 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 15:11:31,742 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 15:11:31,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i [2025-01-09 15:11:32,952 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/049ea340a/fdc1c35d679d4829b8207ccd2ff54136/FLAG680a84e50 [2025-01-09 15:11:33,245 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 15:11:33,246 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i [2025-01-09 15:11:33,255 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/049ea340a/fdc1c35d679d4829b8207ccd2ff54136/FLAG680a84e50 [2025-01-09 15:11:33,543 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/049ea340a/fdc1c35d679d4829b8207ccd2ff54136 [2025-01-09 15:11:33,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 15:11:33,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 15:11:33,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 15:11:33,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 15:11:33,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 15:11:33,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a3c617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33, skipping insertion in model container [2025-01-09 15:11:33,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 15:11:33,696 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_variablewrapping_normal_file-54.i[913,926] [2025-01-09 15:11:33,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:11:33,766 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 15:11:33,778 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_variablewrapping_normal_file-54.i[913,926] [2025-01-09 15:11:33,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:11:33,823 INFO L204 MainTranslator]: Completed translation [2025-01-09 15:11:33,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33 WrapperNode [2025-01-09 15:11:33,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 15:11:33,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 15:11:33,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 15:11:33,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 15:11:33,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,876 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2025-01-09 15:11:33,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 15:11:33,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 15:11:33,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 15:11:33,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 15:11:33,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,887 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,898 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 15:11:33,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,907 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 15:11:33,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 15:11:33,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 15:11:33,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 15:11:33,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (1/1) ... [2025-01-09 15:11:33,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:11:33,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:11:33,946 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 15:11:33,953 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 15:11:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 15:11:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 15:11:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 15:11:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 15:11:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 15:11:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 15:11:34,040 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 15:11:34,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 15:11:34,251 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-01-09 15:11:34,251 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 15:11:34,259 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 15:11:34,260 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 15:11:34,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:11:34 BoogieIcfgContainer [2025-01-09 15:11:34,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 15:11:34,262 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 15:11:34,262 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 15:11:34,266 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 15:11:34,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:11:33" (1/3) ... [2025-01-09 15:11:34,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4714d91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:11:34, skipping insertion in model container [2025-01-09 15:11:34,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:33" (2/3) ... [2025-01-09 15:11:34,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4714d91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:11:34, skipping insertion in model container [2025-01-09 15:11:34,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:11:34" (3/3) ... [2025-01-09 15:11:34,268 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-54.i [2025-01-09 15:11:34,281 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 15:11:34,282 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-54.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 15:11:34,333 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 15:11:34,344 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;@1ce2008a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 15:11:34,344 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 15:11:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 15:11:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-09 15:11:34,357 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:11:34,358 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 15:11:34,358 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:11:34,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:11:34,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1947908948, now seen corresponding path program 1 times [2025-01-09 15:11:34,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:11:34,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214845968] [2025-01-09 15:11:34,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:11:34,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:11:34,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-09 15:11:34,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-09 15:11:34,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:11:34,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 15:11:34,572 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 15:11:34,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-09 15:11:34,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-09 15:11:34,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:11:34,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 15:11:34,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 15:11:34,714 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 15:11:34,715 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 15:11:34,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 15:11:34,720 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 15:11:34,781 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 15:11:34,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 03:11:34 BoogieIcfgContainer [2025-01-09 15:11:34,784 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 15:11:34,784 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 15:11:34,784 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 15:11:34,784 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 15:11:34,785 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:11:34" (3/4) ... [2025-01-09 15:11:34,787 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 15:11:34,787 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 15:11:34,788 INFO L158 Benchmark]: Toolchain (without parser) took 1242.50ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 60.5MB in the end (delta: 62.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-09 15:11:34,789 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:11:34,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.20ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 110.9MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 15:11:34,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.45ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.4MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 15:11:34,789 INFO L158 Benchmark]: Boogie Preprocessor took 36.75ms. Allocated memory is still 167.8MB. Free memory was 108.4MB in the beginning and 105.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:11:34,790 INFO L158 Benchmark]: RCFGBuilder took 345.65ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 90.7MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 15:11:34,790 INFO L158 Benchmark]: TraceAbstraction took 521.62ms. Allocated memory is still 167.8MB. Free memory was 89.7MB in the beginning and 61.5MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 15:11:34,790 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 167.8MB. Free memory was 61.5MB in the beginning and 60.5MB in the end (delta: 993.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:11:34,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.20ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 110.9MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.45ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.4MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.75ms. Allocated memory is still 167.8MB. Free memory was 108.4MB in the beginning and 105.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.65ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 90.7MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 521.62ms. Allocated memory is still 167.8MB. Free memory was 89.7MB in the beginning and 61.5MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 167.8MB. Free memory was 61.5MB in the beginning and 60.5MB in the end (delta: 993.3kB). 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 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_3 = 10; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 0; [L28] double var_1_11 = 9.75; [L29] double var_1_12 = 5.5; [L30] double var_1_13 = 4.1; [L31] float var_1_14 = 9.8; [L32] signed char var_1_15 = 25; [L33] signed char var_1_16 = 2; VAL [isInitial=0, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=10, var_1_4=0, var_1_6=1, var_1_9=0] [L96] isInitial = 1 [L97] FCALL initially() [L99] FCALL updateLastVariables() [L100] CALL updateVariables() [L69] var_1_3 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_4=0, var_1_6=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_4=0, var_1_6=1, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L71] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_9=0] [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L74] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L75] var_1_9 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1] [L77] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L77] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L78] var_1_10 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L80] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L81] var_1_12 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L82] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L83] var_1_13 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L84] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L85] var_1_16 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L86] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L87] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L100] RET updateVariables() [L101] CALL step() [L37] var_1_14 = var_1_12 [L38] var_1_15 = var_1_16 [L39] signed long int stepLocal_0 = -4; VAL [isInitial=1, stepLocal_0=-4, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L40] COND TRUE stepLocal_0 >= var_1_15 [L41] var_1_1 = ((((var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L43] unsigned char stepLocal_2 = var_1_3; VAL [isInitial=1, stepLocal_2=-2, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L44] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, stepLocal_2=-2, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L53] signed long int stepLocal_1 = (((10) > (var_1_1)) ? (10) : (var_1_1)); VAL [isInitial=1, stepLocal_1=10, stepLocal_2=-2, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L54] COND FALSE !((8 * var_1_1) == stepLocal_1) [L65] var_1_4 = var_1_10 VAL [isInitial=1, stepLocal_2=-2, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=-255, var_1_6=1, var_1_9=0] [L101] RET step() [L102] CALL, EXPR property() [L92-L93] return (((((-4 >= var_1_15) ? (var_1_1 == ((unsigned char) ((((var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * var_1_1) == ((((10) > (var_1_1)) ? (10) : (var_1_1)))) ? (var_1_6 ? (var_1_4 == ((unsigned char) ((var_1_11 < var_1_14) && var_1_9))) : ((var_1_14 >= ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) ? (var_1_4 == ((unsigned char) (! var_1_9))) : (var_1_4 == ((unsigned char) 0)))) : (var_1_4 == ((unsigned char) var_1_10)))) && (var_1_9 ? ((var_1_3 > var_1_15) ? (var_1_11 == ((double) ((((((((var_1_12) > (16.5)) ? (var_1_12) : (16.5)))) > (var_1_13)) ? (((((var_1_12) > (16.5)) ? (var_1_12) : (16.5)))) : (var_1_13))))) : (var_1_10 ? (var_1_11 == ((double) var_1_12)) : 1)) : 1)) && (var_1_14 == ((float) var_1_12))) && (var_1_15 == ((signed char) var_1_16)) ; VAL [\result=0, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=-255, var_1_6=1, var_1_9=0] [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=-255, var_1_6=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=-255, var_1_6=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 15:11:34,809 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_variablewrapping_normal_file-54.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 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 15:11:37,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 15:11:37,199 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 15:11:37,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 15:11:37,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 15:11:37,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 15:11:37,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 15:11:37,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 15:11:37,250 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 15:11:37,250 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 15:11:37,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 15:11:37,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 15:11:37,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 15:11:37,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 15:11:37,252 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 15:11:37,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 15:11:37,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 15:11:37,253 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 15:11:37,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 15:11:37,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 15:11:37,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 15:11:37,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 15:11:37,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 15:11:37,254 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 15:11:37,254 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 15:11:37,254 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 15:11:37,254 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 15:11:37,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 15:11:37,254 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 15:11:37,254 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 15:11:37,255 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 15:11:37,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:11:37,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:11:37,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:11:37,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:11:37,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 15:11:37,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:11:37,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:11:37,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:11:37,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:11:37,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 15:11:37,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 15:11:37,257 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 15:11:37,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 15:11:37,257 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 15:11:37,257 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 15:11:37,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 15:11:37,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 15:11:37,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 15:11:37,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 15:11:37,258 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 -> 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 [2025-01-09 15:11:37,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 15:11:37,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 15:11:37,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 15:11:37,561 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 15:11:37,563 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 15:11:37,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i [2025-01-09 15:11:38,909 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce9f1c8bb/7e1e06d16b574776948f00287768e193/FLAG3ea5b2ab4 [2025-01-09 15:11:39,166 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 15:11:39,166 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i [2025-01-09 15:11:39,176 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce9f1c8bb/7e1e06d16b574776948f00287768e193/FLAG3ea5b2ab4 [2025-01-09 15:11:39,193 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce9f1c8bb/7e1e06d16b574776948f00287768e193 [2025-01-09 15:11:39,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 15:11:39,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 15:11:39,200 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 15:11:39,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 15:11:39,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 15:11:39,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cee9e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39, skipping insertion in model container [2025-01-09 15:11:39,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 15:11:39,359 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_variablewrapping_normal_file-54.i[913,926] [2025-01-09 15:11:39,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:11:39,425 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 15:11:39,436 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_variablewrapping_normal_file-54.i[913,926] [2025-01-09 15:11:39,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:11:39,489 INFO L204 MainTranslator]: Completed translation [2025-01-09 15:11:39,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39 WrapperNode [2025-01-09 15:11:39,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 15:11:39,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 15:11:39,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 15:11:39,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 15:11:39,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,536 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2025-01-09 15:11:39,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 15:11:39,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 15:11:39,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 15:11:39,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 15:11:39,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,575 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 15:11:39,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,587 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 15:11:39,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 15:11:39,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 15:11:39,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 15:11:39,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (1/1) ... [2025-01-09 15:11:39,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:11:39,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:11:39,652 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 15:11:39,657 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 15:11:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 15:11:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 15:11:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 15:11:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 15:11:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 15:11:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 15:11:39,758 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 15:11:39,760 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 15:11:40,768 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-01-09 15:11:40,768 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 15:11:40,779 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 15:11:40,779 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 15:11:40,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:11:40 BoogieIcfgContainer [2025-01-09 15:11:40,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 15:11:40,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 15:11:40,784 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 15:11:40,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 15:11:40,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:11:39" (1/3) ... [2025-01-09 15:11:40,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fec675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:11:40, skipping insertion in model container [2025-01-09 15:11:40,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:11:39" (2/3) ... [2025-01-09 15:11:40,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fec675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:11:40, skipping insertion in model container [2025-01-09 15:11:40,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:11:40" (3/3) ... [2025-01-09 15:11:40,794 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-54.i [2025-01-09 15:11:40,809 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 15:11:40,811 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-54.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 15:11:40,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 15:11:40,874 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;@76fc0b06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 15:11:40,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 15:11:40,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 15:11:40,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-09 15:11:40,885 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:11:40,885 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 15:11:40,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:11:40,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:11:40,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1947908948, now seen corresponding path program 1 times [2025-01-09 15:11:40,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 15:11:40,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538012918] [2025-01-09 15:11:40,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:11:40,901 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 15:11:40,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 15:11:40,904 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 15:11:40,905 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 15:11:40,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-09 15:11:41,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-09 15:11:41,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:11:41,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:11:41,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-09 15:11:41,137 INFO L279 TraceCheckSpWp]: Computing forward predicates...